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Green Food and Biowaste Valorisation

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Anthropogenic Circularity".

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 19557

Special Issue Editor


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Guest Editor
Mountain Research Center (CIMO), Polytechnic Institute of Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
Interests: chemistry of natural products; emerging conservation technologies; gamma and electron beam irradiation; development of functional food; recovery of biological waste; bio-based ingredients
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Special Issue Information

Dear Colleagues,

A Special Issue on Green Food and Biowaste Valorization, in the International Journal of Environmental Research and Public Health, is being organized. For detailed information on the journal, please have a look at https://0-www-mdpi-com.brum.beds.ac.uk/journal/ijerph.

According to a report published by the Food and Agriculture Organization, the 2007 production volume of fruit and vegetables worldwide was 1650 million tons, of which approximately 12% (or 198 million tons) was wasted at the processing stage. Geographically, high percentages of fruit and vegetable manufacturing wastes (20–25%) were generated in Sub-Saharan Africa, North Africa, West and Central Asia, South and Southeast Asia, and Latin America, while the percentages in Europe, North America and Oceania, and industrialized Asia were smaller (2%).

The losses in both industrialized countries and developing countries are high; however, in developing countries, more than 40% of the food losses occur at postharvest and processing stages, while in industrialized countries, more than 40% of the food losses occur at the retail and consumption stages.

The liquid waste streams are mainly the discharge of cleaning water and processing water, which have low-to-medium biological oxygen demand (BOD) values and can be treated by aerobic or anaerobic systems. On the other hand, the solid waste is highly polluted and more difficult to treat. Conventionally, these wastes are used as animal feeds or fertilizers. Although they are discarded from the process, as they cannot be further used, these solid wastes retain high concentrations of bioactive compounds.

In order to combat this problematic issue, several studies have been carried out in this area, ensuring the economic valorization of these products, and consequently, the development of the circular economy.

This Special Issue is open to articles on the subject of food and biowastes. The keywords listed below provide an outline of some of the possible areas of interest.

Dr. Eliana Pereira
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Environmental Research and Public Health is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2500 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Green food
  • Bioactivities
  • Biowaste
  • Innovative processes
  • Nutritional value
  • Chemical composition
  • Polyphenols
  • Food industry
  • Green chemistry
  • Circular economy
  • Appreciation
  • Food ingredients
  • Health benefits
  • Preservatives

Published Papers (5 papers)

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Research

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11 pages, 2059 KiB  
Article
A Fumigation-Based Surface Sterilization Approach for Plant Tissue Culture
by Iyyakkannu Sivanesan, Manikandan Muthu, Judy Gopal, Shadma Tasneem, Doo-Hwan Kim and Jae-Wook Oh
Int. J. Environ. Res. Public Health 2021, 18(5), 2282; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph18052282 - 25 Feb 2021
Cited by 11 | Viewed by 5151
Abstract
Plant tissue culture has led to breakthroughs in understanding and applying the fundamental knowledge towards harnessing more from plants. Microbial contamination is one of the serious problems limiting the successful extrapolation of plant tissue culture practices. Sources of in vitro contamination include culture [...] Read more.
Plant tissue culture has led to breakthroughs in understanding and applying the fundamental knowledge towards harnessing more from plants. Microbial contamination is one of the serious problems limiting the successful extrapolation of plant tissue culture practices. Sources of in vitro contamination include culture containers, media, explants, equipment, the environment of the culture room and transfer area, and operating personnel. The successful initiation of in vitro culture mostly depends on surface sterilization of explants because this is the primary source. Usually, surface sterilization is done using chemicals, or toxic nanomaterials, this is the first time such an approach has been demonstrated. Numerous surface microflora attached to plant surfaces grow faster than the cultured explants and release phytotoxic substances into the culture media, hindering positive outcomes. In the current work, for the first time, the applicability of turmeric and benzoin resin-based fumigation of explants is demonstrated. The results showed that fumigation methods for surface sterilization were promising and could lead to fifty and even 100% contamination-free plant tissue culture. Nanoparticulate carbon was identified in the turmeric and benzoin smoke and coined the key player in the surface sterilization effect. These studies open a whole new avenue for the use of fumigation-based methods for riddance of microbial contamination. Full article
(This article belongs to the Special Issue Green Food and Biowaste Valorisation)
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13 pages, 1499 KiB  
Article
Examining the Importance of Green Food in the Restaurant Industry: Focusing on Behavioral Intentions to Eat Insects
by Jinsoo Hwang and Hyunjoon Kim
Int. J. Environ. Res. Public Health 2021, 18(4), 1905; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph18041905 - 16 Feb 2021
Cited by 6 | Viewed by 2342
Abstract
This study analyzed the psychological benefits of environmentally friendly edible insect restaurants, by proposing that three subdimensions of psychological benefits positively affect attitude. Attitude was hypothesized to play an important role in the formation of desire and two subdimensions of behavioral intentions: intentions [...] Read more.
This study analyzed the psychological benefits of environmentally friendly edible insect restaurants, by proposing that three subdimensions of psychological benefits positively affect attitude. Attitude was hypothesized to play an important role in the formation of desire and two subdimensions of behavioral intentions: intentions to use and willingness to pay more. A research model was verified using responses from 419 respondents collected in Korea. Data analysis indicated that (1) warm glow, (2) self-expressive benefits, and (3) nature experiences form attitude and that attitude helps to increase desire, which in turn positively enhances behavioral intentions. The data analysis results supported the importance of the psychological benefits of environmentally friendly edible insect restaurants. Full article
(This article belongs to the Special Issue Green Food and Biowaste Valorisation)
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14 pages, 3530 KiB  
Article
Effects of Different Environmental Factors on the Growth and Bioactive Substance Accumulation of Porphyridium purpureum
by Xudan Lu, Fangru Nan, Jia Feng, Junping Lv, Qi Liu, Xudong Liu and Shulian Xie
Int. J. Environ. Res. Public Health 2020, 17(7), 2221; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17072221 - 26 Mar 2020
Cited by 17 | Viewed by 3728
Abstract
Genus Porphyridium is a primitive single-celled red algae widely distributed in seawater, freshwater, and moist soil. It can synthesize bioactive substances such as phycoerythrin, extracellular polysaccharides and polyunsaturated fatty acids during the growth process. In this paper, the culture and bioactive substance yield [...] Read more.
Genus Porphyridium is a primitive single-celled red algae widely distributed in seawater, freshwater, and moist soil. It can synthesize bioactive substances such as phycoerythrin, extracellular polysaccharides and polyunsaturated fatty acids during the growth process. In this paper, the culture and bioactive substance yield of Porphyridium purpureum were studied by setting salinity, nitrogen-to-phosphorus ratio, and pH at different gradient levels. The results showed that the optimal conditions for the growth of P. purpureum were salinity 34 ppt, nitrogen-to-phosphorus ratio 169:1, and pH 8; the optimal conditions for obtaining the polysaccharides were salinity 17 ppt, nitrogen-to-phosphorus ratio 14:1, and pH 8; the optimal conditions for obtaining phycoerythrin were salinity 17 ppt, nitrogen-to-phosphorus ratio 68:1, and pH 8; the optimal conditions for obtaining the lipids were salinity 34 ppt, nitrogen-to-phosphorus ratio 1:1, and pH 8. In actual production applications, culture conditions should be set according to different product accumulation purposes in order to achieve the optimal production efficiency. Full article
(This article belongs to the Special Issue Green Food and Biowaste Valorisation)
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13 pages, 3321 KiB  
Communication
Isolation and Identification of Chromium Reducing Bacillus Cereus Species from Chromium-Contaminated Soil for the Biological Detoxification of Chromium
by Ming-hao Li, Xue-yan Gao, Can Li, Chun-long Yang, Chang-ai Fu, Jie Liu, Rui Wang, Lin-xu Chen, Jian-qiang Lin, Xiang-mei Liu, Jian-qun Lin and Xin Pang
Int. J. Environ. Res. Public Health 2020, 17(6), 2118; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17062118 - 23 Mar 2020
Cited by 27 | Viewed by 3664
Abstract
Chromium contamination has been an increasing threat to the environment and to human health. Cr(VI) and Cr(III) are the most common states of chromium. However, compared with Cr(III), Cr(VI) is more toxic and more easily absorbed, therefore, it is more harmful to human [...] Read more.
Chromium contamination has been an increasing threat to the environment and to human health. Cr(VI) and Cr(III) are the most common states of chromium. However, compared with Cr(III), Cr(VI) is more toxic and more easily absorbed, therefore, it is more harmful to human beings. Thus, the conversion of toxic Cr(VI) into Cr(III) is an accepted strategy for chromium detoxification. Here, we isolated two Bacillus cereus strains with a high chromium tolerance and reduction ability, named B. cereus D and 332, respectively. Both strains demonstrated a strong pH and temperature adaptability and survival under 8 mM Cr(VI). B. cereus D achieved 87.8% Cr(VI) removal in 24 h with an initial 2 mM Cr(VI). Cu(II) was found to increase the removal rate of Cr(VI) significantly. With the addition of 0.4 mM Cu(II), 99.9% of Cr(VI) in the culture was removed by B. cereus 332 in 24 h. This is the highest removal efficiency in the literature that we have seen to date. The immobilization experiments found that sodium alginate with diatomite was the better method for immobilization and B. cereus 332 was more efficient in immobilized cells. Our research provided valuable information and new, highly effective strains for the bioremediation of chromium pollution. Full article
(This article belongs to the Special Issue Green Food and Biowaste Valorisation)
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Review

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28 pages, 1947 KiB  
Review
Green Diesel Production by Catalytic Hydrodeoxygenation of Vegetables Oils
by Giuseppe Di Vito Nolfi, Katia Gallucci and Leucio Rossi
Int. J. Environ. Res. Public Health 2021, 18(24), 13041; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph182413041 - 10 Dec 2021
Cited by 20 | Viewed by 3950
Abstract
Non-renewable fossil fuels and the air pollution associated with their combustion have made it necessary to develop fuels that are environmentally friendly and produced from renewable sources. In addition, global warming and climate change have brought to the attention of many countries the [...] Read more.
Non-renewable fossil fuels and the air pollution associated with their combustion have made it necessary to develop fuels that are environmentally friendly and produced from renewable sources. In addition, global warming and climate change have brought to the attention of many countries the need to develop programs and reforms, such as the 2030 Agenda of the United Nations and the European Green Deal, that finance and promote the conversion of all socio-economic activities in favor of sustainable and environmentally friendly development. These major projects include the development of non-polluting biofuels derived from renewable sources. Vegetable oils are a renewable source widely used to produce biofuels due to their high energy density and similar chemical composition to petroleum derivatives, making them the perfect feedstock for biofuel production. Green diesel and other hydrocarbon biofuels, obtained by the catalytic deoxygenation of vegetable oils, represent a sustainable alternative to mineral diesel, as they have physico-chemical properties similar to derived oil fuels. The catalyst, temperature, hydrogen pressure, and the type of vegetable oil can influence the type of biofuel obtained and its properties. The main aspects discussed in this review include the influence of the catalyst and reaction conditions on the catalytic deoxygenation reaction. Full article
(This article belongs to the Special Issue Green Food and Biowaste Valorisation)
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