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Review

Lecithins from Vegetable, Land, and Marine Animal Sources and Their Potential Applications for Cosmetic, Food, and Pharmaceutical Sectors

Laboratorio de Diseño y Formulación de Productos Químicos y Derivados, Departamento de Ciencias Farmacéuticas, Facultad de Ciencias Naturales, Universidad ICESI, Calle 18 No. 122-135, 760035 Cali, Colombia
*
Author to whom correspondence should be addressed.
Submission received: 29 September 2020 / Revised: 3 November 2020 / Accepted: 4 November 2020 / Published: 9 November 2020
(This article belongs to the Special Issue Feature Papers in Cosmetics in 2020)

Abstract

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The aim of this work was to review the reported information about the phospholipid composition of lecithins derived from several natural sources (lipids of plant, animal, and marine origin) and describe their main applications for the cosmetic, food, and pharmaceutical sectors. This study was carried out using specialized search engines and according to the following inclusion criteria: (i) documents published between 2005 and 2020, (ii) sources of lecithins, (iii) phospholipidic composition of lecithins, and (iv) uses and applications of lecithins. Nevertheless, this work is presented as a narrative review. Results of the review indicated that the most studied source of lecithin is soybean, followed by sunflower and egg yolk. Contrarily, only a few numbers of reports focused on lecithins derived from marine animals despite the relevance of this source in association with an even higher composition of phospholipids than in case of those derived from plant sources. Finally, the main applications of lecithins were found to be related to their nutritional aspects and ability as emulsion stabilizers and lipid component of liposomes.

Graphical Abstract

1. Introduction

Lecithin is a generic term that is used for the description of a multi-component blend of lipids (triglycerides, fatty acids, sterols, glycolipids, and phospholipids) [1], which are structural and functional components of a diverse range of cell membranes for plants as well as for various terrestrial and marine animals [2]. Although lecithin is present in most living organisms, their chemical (lipid composition) and physical (sensory appearance) characteristics can vary considerably, depending on the origin and the extraction process. In this way, depending on the class and quantity of phospholipids as well as their purity grade, lecithin can be used as a product or raw material. Consequently, lecithins describe a wide variety of compounds based on their composition (type and amount of lipids) as well as their appearance, which can range from a sticky paste to fluid granules with different grades of purity [3,4]. The procedures that are carried out after obtaining the lecithins can be classified into three categories, including (i) natural or unrefined, (ii) refined, as well as (iii) modified lecithins [5]. Natural lecithins do not undergo any treatment or modification process after they are obtained. This category is the primary focus of this review. On the other hand, refined lecithins include oil-free lecithins as well as alcohol-soluble/insoluble phospholipids fractions [6], whereas modified lecithins are those in which the polar group of the phospholipids is chemically changed by acetylation, hydroxylation, or enzymatic modification processes [5].
Concerning the composition of lecithins, they consist of two kinds of phospholipids (PLs): sphingophospholipids and glycerophospholipids (GPLs). The latter category includes those that are the focus of this review as previous studies showed a diverse range of their applications for the cosmetic, foodstuff, and pharmaceutical sectors [7]. Regarding the structural composition of GPLs, these are composed of a glycerol backbone, two alkyl chains made of fatty acids (R1 and R2), and a phosphate group linked to different types of substitutes (Y), which determine the functionality of the phospholipid (Figure 1) [8,9].
Furthermore, many of these GPLs were previously characterized, proving to have nutritional value, high biocompatibility, and an amphiphilic character, which are characteristics highly appreciated in various industrial sectors, such as cosmetics, food, and pharmaceuticals [10,11,12]. Regarding the amphiphilic character, this can be considered as a highly relevant property as it allows the application of lecithins as humectant systems, emulsion stabilizers, as well as the lipid component of liposomes [1].
The phospholipid composition of lecithins can vary considerably depending on the source (vegetable or animal) as well as the obtention methodology. However, to date, only a handful of reviews have focused on the description of the phospholipid composition of lecithins derived from different natural sources, and even more, on descriptions including their applications in different industrial sectors. Therefore, this review focuses on providing updated information on two essential aspects: (i) The phospholipid composition of lecithins derived from several natural sources (plants, land animals, and marine animals) and (ii) the use and application of lecithins as nutritional ingredients, emulsion stabilizers, and structural components of liposomes, which are very relevant for the cosmetic, foodstuff, and pharmaceutical sectors.

2. Information Search Methodology

This review manuscript was carried out according to the preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines, as recommended by Cosmetics journal. For this, five specialized databases were used for information search, where a total of 2563 documents were identified and analyzed. The applied search algorithm as well as identified results are presented in Figure 2 and Figure 3. It is important to highlight that the document is presented as a narrative review, including the search algorithm mentioned before.
For the search, five databases with reliable scientific information were used: Science Direct (available online: sciencedirect.com accessed on 9 June 2020), Wiley Online Library (available online: onlinelibrary.wiley.com, accessed on 9 June 2020), Springer Link (available online: link.springer.com, accessed on 9 June 2020), EBSCO (available online: web.b.ebscohost.com, accessed on 9 June 2020). and MDPI (available online: mdpi.com accessed on 9 June 2020) The used keywords were “Lecithin, Phospholipid composition, Phosphatidylcholine, Natural source, Application”. In addition, 3 selection criteria were established to narrow the search and obtain relevant results: (i) documents published between 2005 and 2020, (ii) source of lecithin and lecithins phospholipidic composition, and (iii) uses and applications of lecithin. Finally, the selected documents were analyzed, and the information was organized in a data matrix compiling the origin, source, phospholipid composition, and reference; likewise, the data were summarized using a dynamic Excel table, which facilitated its analysis.

3. Phospholipid Composition of Lecithins

The reported information regarding the phospholipid content of lecithins derived from different origins and natural sources is summarized in Table 1, Table 2 and Table 3.
The review results showed that vegetable source with the highest lecithin percentages is soybean with values of ~82%, whereas the lowest was sesame seeds with values of ~3%. Moreover, it has been reported that phosphatidylcholine is the majority phospholipid in the polar lipid fraction of lecithins followed by phosphatidylethanolamine, while the rest of phospholipids change depending on the natural sources and the applied conditions in the extraction and quantification process. [2,60,76]. In this way, lecithins’ composition in vegetable sources depends significantly on the genetic variability and the quality of the seeds. While in animal sources, lecithin composition is highly dependent on the metabolic and feeding conditions [2,77] and where the sphingomyelin is unique in this source, since plants lack the necessary enzyme to synthesize such phospholipid [78]. On the contrary, the phosphatidylglycerol is exclusively of plant sources (4.4%), because it is synthesized only in the thylakoid membranes of chloroplasts [79,80]. Finally, it has been reported that plant sources describe a greater variety of lecithin-rich species, while animal and marine sources are more limited. Therefore, a more specific and detailed discussion on the amounts and composition of phospholipids in lecithins from different natural sources is described below.

3.1. Vegetable Sources of Lecithins

Regarding lecithins of vegetable origin (Table 1), their extraction was found to be mainly associated with vegetable seeds. However, previous research indicated their potential extraction from the pulp of fruits, as it was described for avocado and olives [29,54]. Although there are many plant sources available for the extraction of lecithins, most of the information reported is associated with soybeans, followed by sunflower, canola, corn, rice bran, and cottonseed. In contrast, according to the U.S. Food and Drug administration (FDA), in 2018, genetically modified soybeans (GMOs) constituted 94% of all soybeans planted in that country, which is very significant data, especially when the use of lecithins from non-genetically modified sources is considered [3]. On the other hand, as mentioned previously, phosphatidylcholine is the major phospholipid labeled in all plant sources, followed by phosphatidylethanolamine and phosphatidylinositol, the proportion of which can vary depending on the source.
According to Figure 4a, the main phospholipids present in most plant species are phosphatidylethanolamine and phosphatidylcholine. However, in the case of sunflower and corn, the predominant phospholipids are phosphatidylcholine and phosphatidylinositol. For this reason, these plants are preferred for the obtention of the latter phospholipid.

3.2. Animal Sources of Lecithins

Regarding lecithins of animal origin, it is reported that they are mainly extracted from egg yolk, followed by milk, as well as the brain tissue of some bovines. As for the historical aspects, egg yolk lecithins were isolated for the first time in 1850 by the French T.N., but other sources of their extraction were not explored until 1883 [81]. Moreover, egg yolk is an inexpensive and accessible source [82] and the statement suggests that its phosphatidylcholine content is higher in comparison with that of the other animal lecithins (Table 2). Furthermore, the extraction of egg yolk lecithin from different types of bird species was explored by Sinanoglou, V.J.; Strati, I.F., and Miniadis-Meimaroglou, S., where quail egg yolk was found to present the highest phosphatidylcholine content, followed by the egg yolk from ostrich and turkey, whereas the highest proportion of phosphatidylethanolamine was found in the egg yolk of ducks (Figure 4b).
Conversely, it has been widely declared that lecithins derived from milk have a higher amount of phosphatidylethanolamine than phosphatidylcholine, as well as a significant amount of sphingomyelin as shown in Figure 4c [10,28,64,65]. Furthermore, the phospholipid content in lecithins from milk, as well as from the fat deposits of different mammals (cow, sheep, and goat) were previously explored and compared. The results showed that lecithins from milk have a greater amount of phosphatidylcholine, phosphatidylethanolamine, and phosphatidylinositol. In contrast, lecithins from the fat deposits of such animals were rich in sphingomyelin and phosphatidylserine [14,23,24,27,60,66,67,68,69,70].

3.3. Marine Animal Sources of Lecithins

The number of studies conducted on the identification of lecithins derived from marine animal sources is very limited. However, as shown in Figure 4d, it is reported that marine-derived lecithins are rich in phosphatidylcholine and phosphatidylethanolamine [13,23,28,60,70,72,74,75]. In another report (not included in the bibliographic search), Burri, L., Hoem, N., Banni, S., and Berge, K. declared that salmon, herring, pollock, and flying fish roe contain between 38%and 75% of lecithin, with phosphatidylcholine as the main phospholipid [83] According to Figure 4d, krill and anchovy lecithins were identified to contain the highest amount of phosphatidylcholine, whereas mackerel lecithins contained the highest percentage of phosphatidylethanolamine. Contrarily, lecithins derived from water flea were stated to contain the lowest amount of these phospholipids [74,75]. Marine animal lecithins were identified to be of great interest due to their high content of ω-3 fatty acids, which have been defined by providing anti-inflammatory and immunological properties [60,83,84,85].

4. Uses and Applications of Lecithins

Lecithins, as well as several of their phospholipids, have been widely used by the cosmetic, food, and pharmaceutical sectors due to their high nutritional value as well as their ability to stabilize emulsions and form liposomes. Therefore, the description of the main applications of these materials in these sectors is presented below.

4.1. Nutritional Value

Most of the reported information on nutritional value has been described on lecithins derived from egg yolk, followed by soybean, milk, and sunflower, respectively (Table 4). Furthermore, most of the reported information in association with the nutritional value of lecithins was related to their fatty acid profile as well as their abundance in bioactive phytochemicals [45,86]. Thus, their uses as an essential nutrient, a cholesterol reducer, choline supplement, and memory and physical performance booster were reported [87]. In this manner, vegetable lecithins were stated to be the most common sources of food additives, although egg yolk and milk lecithins were highly recommended for early infant nutrition due to their high content of sphingolipids as well as arachidonic and docosahexaenoic acids [26,67,71]. On the other hand, marine animal lecithins were identified to be of great interest due to their high content of ω-3 fatty acids [60].
Furthermore, phosphatidylcholine is described to be relevant due to the choline intake [88,89], being an essential nutrient for the biosynthesis of acetylcholine [89] and thereby promoting healthy metabolism and helping the reduction of inflammatory processes, apoptosis (cancer cells), cholesterol levels, and especially diseases associated with memory loss, such as Alzheimer’s [7,10,88,89]. Likewise, phosphatidylethanolamine is an essential phospholipid in human nutrition that serves as a phosphatidylcholine precursor. In addition to influencing the topology of the cell membrane, it is associated with the wellbeing of the liver, as well as the promotion of cell fusion, oxidative phosphorylation, mitochondrial biogenesis, and autophagy [90,91,92]. In contrast, despite the limited available information on the physiological functions of the phosphatidylinositol intake [93], its importance in the transport and excretion of cholesterol in rabbits and the prevention of nonalcoholic fatty liver disease in rats was demonstrated [10,93,94]. The nutritional role of phosphatidic acid is related to its ability to produce other lipids, since it acts as a signaling lipid in cell membranes, enhancing the anabolic effects of resistance training [95,96,97,98]. Moreover, phosphatidylserine constitutes 13–15% of all the phospholipids in the human cerebral cortex [99] and is necessary for the maintenance of the health of nerve cell membranes and myelin in addition to supporting the signal transmission process of the cerebral cortex [100,101]. Moreover, the presence of phosphatidylglycerol in the pulmonary surfactant is reported, which indicates its vital role in maintaining the proper performance of the activity of the lungs from birth [79]. Besides, it can be used as a treatment for the respiratory distress syndrome due to its preventive effect on the alveolar epithelial apoptosis, as well as its pro-fibrotic stimulation [102]. Finally, the consumption of sphingomyelin was declared to reduce the risk of colon cancer formation [10], and a previous study indicated its association with bacterial resistance to intestinal pathogens and the reduction of cholesterol absorption in intestinal mucous cells [103]. In addition, it was stated to contribute to cognitive development through its structural and functional participation in the myelination of the central nervous system [104].

4.2. Lecithins as Emulsions Stabilizers

As for the stabilization of emulsions, previous studies demonstrated the amphiphilic nature of lecithin phospholipids to allow the reduction of the interfacial tension between the emulsion phases, facilitating the formation of small stable drops, which in turn can be electrostatically stabilized by the polar part of the lecithins over a wide pH range [10,44,67]. In addition, it has been reported that the high thermal stability of lecithins has allowed their use in the development of sterilizable emulsions by extreme processes, such as autoclaving [40]. Therefore, although greater use was reported to be associated with the stabilization of oil-in-water emulsions [31,39,42,106], the stabilization of water-in-oil emulsions was also described for lecithins with a high content of phosphatidylinositol [108]. Besides, although a higher number of studies focused on the use of vegetable lecithins (specifically from soybean and sunflower) in comparison with that of animal lecithins, there were also several reports published on the applications of lecithins derived from egg yolks and milk (Table 4). Currently, vegetable lecithins are the most widely used emulsifiers in the food and cosmetic industry due to their low toxicity and high nutritional value [35,40]. Moreover, regarding the pharmaceutical sector, egg yolk lecithins were reported to be the preferred emulsifiers for parenteral oil-in-water emulsions [40], although the use of corn lecithins was also explored due to their easily metabolizable nature (as is the case for soy lecithin) [42]. Using natural phospholipids as cosmetic emulsifiers allows the production of natural cosmetic products, providing skin hydration and enhancing dermal penetration [11,110].
Regarding the phospholipid characteristics of lecithins, the length of the phospholipid chain, the degree of unsaturation, and the nature of the main group have a great influence on their stabilization ability [111]. The length and the unsaturation degree of phospholipids can lead to differences in the size, shape, phase transition temperature, and hydrophilic–lipophilic balance, which may affect the droplet size of the formed emulsions, where smaller and less saturated chains in the phospholipids were reported to lead to a better stabilization in oil-in-water emulsions [112]. Furthermore, it is reported that the ionization of many of the polar groups of phospholipids were found to enhance the physical stabilization of oil-in-water emulsions [111,113,114]. In this way, due to the currently available great variation in the composition of lecithins, it is necessary to evaluate the phospholipid content according to the emulsion that is aimed to be stabilized.

4.3. Lecithins to Develop Liposomes

Liposomes are vesicular structures with a resemblance to the cell lipid membrane. They can be produced from cholesterol as well as non-toxic natural phospholipids [115,116]. Furthermore, due to their high biocompatibility and hydrophilic-lipophilic nature, liposomes are widely used as drug-laden systems, allowing the administration of different drugs along with their control and targeting [115,116,117,118]. Therefore, the properties of the liposomes mainly depend on the characteristics of the used lipid [116], taking into account the source of the phospholipid (natural or synthetic), the unsaturation degree, the length of the hydrocarbon chain, and the phase transition temperature [12]. Natural phospholipids are considered to be those that allow for their direct usage after they are obtained from several natural sources (as discussed in this review), whereas synthetic phospholipids must undergo a chemical process to incorporate polar groups or specific fatty acids [106]. In this way, those derived from natural sources are renewable and have a comparatively low cost, although their purification can be difficult to control in comparison with the synthetic source derivatives that have been characterized with greater stability but are more expensive and are often restricted for some pharmaceutical applications [106]. Furthermore, the structure and the permeability of the lipid bilayers are defined by the unsaturation degree and the chain length. Thus, long-chain phospholipids tend to form liposomes, whereas those with short and compact chains tend to form micelles [116]. In addition, saturated fats generate more compact and less permeable lipid bilayers than unsaturated fats [116].
Several reports are known to be published about the use of lecithins as liposome-forming compounds derived from different natural sources [15,21,22,23,26,29,30,62,87,106] (Table 4); however, the use of purified phospholipids are preferred in the cosmetic and foodstuff sectors, whereas synthetic phospholipids are chosen for the pharmaceutical industry since these compounds can be easier characterized to meet specific quality criteria [106]. Thereby, the first cosmetic marketed as a “liposomal product” was CAPTURE®, an anti-aging product from Dior, where it was stated that the use of liposomes allowed modulation of skin penetration, as well as a controlled release of argan oil [11,110]. Another interesting study showed that autoclave sterilization of emulsions stabilized with lecithins can withstand such a thermal process, which cannot be achieved with most conventional emulsifiers [12,119]. Likewise, Peter van Hoogevest and Armin Wendel explored the use of phospholipids as pharmaceutical excipients, and stated that Diltiazemuls, Limenthason, Liple, and Cleviprex are some examples of oil-in-water intravenous emulsions that use egg phospholipids as an emulsifier [106]. On the other hand, Li, J. et al. described several approved liposomal formulations in the pharmaceutical sector. Some examples are Ambisome® (Amphotericin B), authorized in 1990 in Europe; Doxil® (Doxorubicin), approved in 2007 in Canada and Europe; DaunoXome® (Daunorubicin), approved in 1996 in Europe and the USA, among others [12].
In summary, the main applications of natural lecithins for the cosmetic, food, and pharmaceutical sectors are based on their nutritional value and ability to stabilize emulsions, since purified or synthetic phospholipids are preferred for the formation of liposomes. These applications are possible due to their diverse lipid composition, and especially in association with their fatty acid profile, richness in bioactive phytochemicals, and high content of phospholipids.

5. Conclusions

This review provides updated information on the phospholipid composition of lecithins from different natural sources as well as their potential applications as a nutritional component, emulsion stabilizer, and lipid component of liposomes. Evidence shows that in recent years, various vegetable and animal sources have been explored, but those from soybean, sunflower, and egg yolk are still the most reported. In addition, although lecithin derived from marine animal sources may contain large amounts of phosphatidylcholine and phosphatidylethanolamine, there are few papers published in association with such findings. Moreover, it was shown that lecithins of natural origin have a wide range of applications in different fields, as they offer great benefits for human health as well as a significant ability to stabilize emulsified products and self-assembling structures. However, its high phospholipid variability is also important to be considered as it allows for the potential behavior of lecithins to be modified.

Author Contributions

Conceptualization, C.H.S., and M.J.A.; Methodology and Investigation, M.J.A., N.M., C.J.Y.; Formal Analysis, Writing—Original Draft Preparation, M.J.A., N.M.; Writing—Review and Editing, C.H.S. All authors have read and agreed to the published version of the manuscript.

Funding

This research received no external funding.

Acknowledgments

The authors would like to thank to Icesi University for the support for the language editing service.

Conflicts of Interest

The authors declare no conflict of interest.

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Figure 1. The chemical structure and classification of the different types of glycerophospholipid lecithins.
Figure 1. The chemical structure and classification of the different types of glycerophospholipid lecithins.
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Figure 2. Flowchart showing the information on the search methodology.
Figure 2. Flowchart showing the information on the search methodology.
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Figure 3. Average composition of phospholipids depending on the origin (lecithin content: fraction of polar lipids in the studied source, PC: Phosphatidylcholine, PE: Phosphatidylethanolamine, PI: Phosphatidylinositol, PA: Phosphatidic acid, PS: Phosphatidylserine, SM: Sphingomyelin, PG: Phosphatidylglycerol).
Figure 3. Average composition of phospholipids depending on the origin (lecithin content: fraction of polar lipids in the studied source, PC: Phosphatidylcholine, PE: Phosphatidylethanolamine, PI: Phosphatidylinositol, PA: Phosphatidic acid, PS: Phosphatidylserine, SM: Sphingomyelin, PG: Phosphatidylglycerol).
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Figure 4. (a) Average composition of phospholipids in the main plant sources. (b) Average phospholipid composition in egg yolk. (c) Average phospholipid composition in milk. (d) Average composition of lecithin phospholipids from marine animals. (PE: Phosphatidylethanolamine, PC: Phosphatidylcholine, SM: Sphingomyelin, PS: Phosphatidylserine, PI: Phosphatidylinositol).
Figure 4. (a) Average composition of phospholipids in the main plant sources. (b) Average phospholipid composition in egg yolk. (c) Average phospholipid composition in milk. (d) Average composition of lecithin phospholipids from marine animals. (PE: Phosphatidylethanolamine, PC: Phosphatidylcholine, SM: Sphingomyelin, PS: Phosphatidylserine, PI: Phosphatidylinositol).
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Table 1. The phospholipid composition of natural lecithins derived from vegetable sources.
Table 1. The phospholipid composition of natural lecithins derived from vegetable sources.
Origin of Lecithin Sources/ReferencesLecithin
Content
Phospholipid Composition of Lecithins (%)
PCPEPIPAPSPG
Vegetable Sources0.7–1.93.2–74.93.0–64.91.1–41.00.2–43.00.2–26.00.9–9.0
Soybean/[3,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35]60.0–81.910.0–55.36.5–34.01.7–41.00.2–12.00.2–6.01.0–2.0
Soybean */[10,36] 10.0–55.09.0–26.08.0–18.0----1.0–2.0
Sunflower/[16,17,21,23,24,25,28,30,33,35,37,38,39]38.9–43.114.0–64.04.8–24.011.0–35.71.3–13.01.0–4.00.9–1.0
Sunflower */[29] 12.7–64.29.9–46.63.7–36.0------
Rapeseed/[3,13,16,21,23,24,25,28,30,33,35,40]71.3–71.316.7–74.16.5–64.95.3–33.02.4–28.01.0–4.0
Rapeseed */[29] 16.2–24.612.0–22.17.6–18.0------
Corn/[21,23,29,33,41,42]57.5–68.130.0–68.13.0–13.914.5–19.89.0–9.41.01.0–1.4
Rice bran/[21,43,44,45]33.0–33.63.2–38.011.8–33.25.8–19.72.5–22.6 8.6–8.6
Rice bran */[29] 20.4–23.117.8–20.25.8–6.6
Cottonseed/[29] 23.2–35.913.5–20.113.4–13.48.82.4–26.07.6
Cottonseed */[46] 33.022.037.0
Barley */[29] 44.3–44.47.6–8.81.1–1.3
Flaxseed/[47]4.8–7.831.0–37.012.0–16.024.0–31.016.0–23.0
Jangli badam seed */[29] 30.023.040.6
Palash seed */[29] 44.614.827.0
Papaya seed */[29] 28.118.734.0
Peanut/[33,48] 23.0–39.48.0–18.817.0–22.22.0–6.6
Peanut */[29] 49.016.022.0
Sesame/[47]0.7–3.039.010.0–19.013.0–14.027.0–30.0
Cacao Beans [49] 36.0–40.011.0–19.026.0–29.07.0–10.02.3–3.3
Carrot seed */[29] 29.135.423.1
Coriander seed */[29] 44.029.323.1
Oats/[50]5.0–26.045.0–50.09.010.018.0
Durum Wheat */[51]6.1–14.126.425.527.3 4.5
Wheat germ/[52] 40.0–60.09.0–15.013.0–20.0
Walnut/[47]8.1–10.823.013.0–16.024.0–26.034.0–38.0
Niger Seed Oil/[53] 48.722.514.6 8.7
Avocado fruit */[29,54] 20.0–44.912.0–55.012.1–18.0
Olive fruit */[29] 47.3–58.95.3–8.018.0–23.9
Garlic/[55]23.423.517.9
Palm/[56]10.036.024.022.03.0 9.0
Palm */[57] 34.0–35.022.0–26.021.0–25.0
Cucurbirt */[29] 55.8–74.910.5–18.713.7–17.2
Camelina/[47]6.3–10.417.0–21.012.0–16.013.0–25.042.0–43.0
Hemp/[47]3.9–6.544.0–45.015.0–17.021.0–25.09.0–12.0
Xanthoceras sorbifolium/[58] 9.7–19.15.6–7.013.9–29.124.2–34.1 3.3–7.3
* It is not established if the reported percentage corresponds to the whole lipidic fraction of the lecithin. PC (Phosphatidylcholine), PE (Phosphatidylethanolamine), PI (Phosphatidylinositol), PA (Phosphatidic acid), PS (Phosphatidylserine), and PG (Phosphatidylglycerol).
Table 2. Phospholipid composition of natural lecithins from animal sources.
Table 2. Phospholipid composition of natural lecithins from animal sources.
Origin of Lecithin Sources/ReferencesLecithin
Content
Phospholipid Composition of Lecithins (%)
PCPEPIPAPSSM
Animal Sources8.0–50.08.0–82.01.9–72.30.0–14.10.9–2.01.0–18.01.0–35.3
Egg yolk/[14,23,24,26,27,29,33,36,59,60,61,62,63]8.0–50.060.0–82.08.0–26.00.0–3.01.01.0–3.01.0–6.0
Egg yolk */[10,28,64] 65.0–70.09.0–13.0
Duck egg yolk/[65] 20.4–21.04.3–4.80.5
Goose egg yolk/[65] 22.5–23.13.2–3.50.4–0.5
Quail egg yolk/[65] 33–33.53.7–3.90.3
Turkey egg yolk/[65] 28.9–30.03.6–4.10.3–0.4
Ostrich egg yolk/[65] 30.7–31.91.9–2.30.6
Milk/[14,23,27,66,67]9.4–40.019.2–37.319.8–42.00.6–11.82.01.9–12.025.2–29.0
Milk */[10] 26.030.09.0
Milk fat/[68] 8.0–45.526.4–72.31.4–14.1 2.0–16.14.1–29.2
Cow’s milk/[24] 20.0–30.028.0–35.0 1.0–8.0
Cow’s milk */[60,69,70] 19.1–40.019.8–42.00.6–12.0 1.9–11.218.0–35.3
Ewes’ milk */[60] 26.0–28.026.0–40.04.0–7.0 4.0–11.022.0–30.0
Goat milk */[60] 27.0–32.020.0–42.04.0–10.0 3.0–14.016.0–30.0
Bovine milk fat/[71] 27.5–32.9 6.3–8.326.3–28.5
Bovine brain/[24,33] 18.0–43.018.0–36.01.0–7.01.0–2.09.0–18.015.0
Bovine brain */[29] 18.4–48.223.5–36.11.8–7.10.9–1.76.7–18.0
* It is not established if the reported percentage corresponds to the whole lipidic fraction of the lecithin. PC (Phosphatidylcholine), PE (Phosphatidylethanolamine), PI (Phosphatidylinositol), PA (Phosphatidic acid), PS (Phosphatidylserine), and SM (Sphingomyelin).
Table 3. Phospholipid composition of natural lecithins from marine animal sources.
Table 3. Phospholipid composition of natural lecithins from marine animal sources.
Origin of Lecithin SourcesLecithin
Content
Phospholipid Composition of Lecithins (%)
PCPEPIPAPSSM
Marine Animal Sources8.9–91.64.1–81.22.0–67.40.7–7.02.01.0–7.00.2–3.0
Salmon/[13,70]61.133.0
Salmon */[60] 50.0–62.010.0–40.05.0–7.0 1.0–7.00.2–1.0
Salmon egg */[60,72]35.029.0–80.02.0–13.01.0–4.0 3.0
Squid muscle/[73] 71.724.7
Squid viscera/[73]91.679.2–81.212.7–13.4
Krill/[28] 80.414.90.7
Krill */[72]40.035.02.01.0
Anchovy/[23]65.068.029.01.02.0
Fish meal */[72]40.022.06.02.0
Mackerel/[74]8.9–12.220.167.4
Water flea/[75] 4.1–14.43.2–9.2
* It is not established if the reported percentage corresponds to the whole lipidic fraction of the lecithin. PC (Phosphatidylcholine), PE (Phosphatidylethanolamine), PI (Phosphatidylinositol), PA (Phosphatidic acid), PS (Phosphatidylserine), and SM (Sphingomyelin).
Table 4. Uses and applications of lecithins derived from vegetable, animal, and marine animal sources.
Table 4. Uses and applications of lecithins derived from vegetable, animal, and marine animal sources.
Origin of Lecithin SourcesReported Applications
Nutritional ValueEmulsion StabilizerLipid Component of Liposomes
Vegetal Sources
Soybean[3,10,28,31,32,33,61,87,105][3,26,31,32,35,61,87,105,106][13]
Sunflower[28,29,86,87][29,35,37,39,61,86,87]
Rapeseed[87][29,35,61][13]
Rice Bran[21,44][21,44]
Camellia[107][107,108]
Corn[29,42][42]
Palm[56,57][57]
Avocado [54]
Cotton Seed [106]
Niger seed[53]
Wheat Germ[52]
Animal Sources
Egg yolk[14,23,26,29,31,59,60,61,62,63,65,73,106][26,62,63,106][60]
Milk[14,29,31,67,68,69,70,87][60,67,68,69,70][68]
Bovine brain[29]
Marine Animal Sources
Salmon [109][13]
Fish roe[61]
Krill[61]
Squid[73]
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Alhajj, M.J.; Montero, N.; Yarce, C.J.; Salamanca, C.H. Lecithins from Vegetable, Land, and Marine Animal Sources and Their Potential Applications for Cosmetic, Food, and Pharmaceutical Sectors. Cosmetics 2020, 7, 87. https://0-doi-org.brum.beds.ac.uk/10.3390/cosmetics7040087

AMA Style

Alhajj MJ, Montero N, Yarce CJ, Salamanca CH. Lecithins from Vegetable, Land, and Marine Animal Sources and Their Potential Applications for Cosmetic, Food, and Pharmaceutical Sectors. Cosmetics. 2020; 7(4):87. https://0-doi-org.brum.beds.ac.uk/10.3390/cosmetics7040087

Chicago/Turabian Style

Alhajj, Maria J., Nicolle Montero, Cristhian J. Yarce, and Constain H. Salamanca. 2020. "Lecithins from Vegetable, Land, and Marine Animal Sources and Their Potential Applications for Cosmetic, Food, and Pharmaceutical Sectors" Cosmetics 7, no. 4: 87. https://0-doi-org.brum.beds.ac.uk/10.3390/cosmetics7040087

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