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Sustainable Materials for Food, Biotechnology, and Environmental Applications
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Sustainable Materials for Food, Biotechnology, and Environmental Applications

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Materials".

Deadline for manuscript submissions: closed (26 March 2023) | Viewed by 9982

Special Issue Editors

Prof. Dr. Xiao-kun Ouyang

E-Mail Website
Guest Editor
School of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China
Interests: nanomedicine; smart biomaterials wound healing; drug delivery for various diseases; tissue-regenerative nanomaterials
Special Issues, Collections and Topics in MDPI journals
Dr. Fangfang Huang

E-Mail Website
Guest Editor
School of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China
Interests: utilization of marine bioresources
Dr. Yongjun Jiang

E-Mail Website
Guest Editor
School of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China
Interests: utilization of marine bioresources

Special Issue Information

Dear Colleagues,

Products made from renewable and bio-sustainable materials have become an important part of the development of new materials. Their growing use is driven by a variety of factors, including the need for sustainable growth, environmental friendliness, safety, and health. At present, bio-sustainable materials are being given more attention and applied in fields such as medicine, food, environment, etc. This Special Issue entitled “Sustainable Materials for Food, Biotechnology and Environmental Applications” welcomes the submission of full articles, short communications, and review articles. This Issue aims to present research in bio-sustainable materials, including protein, natural polysaccharides, lignin, biological acids, and nucleic acids as materials, with an eye toward their application.

Prof. Dr. Xiao-kun Ouyang
Dr. Fangfang Huang
Dr. Yongjun Jiang
Guest Editors

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. Sustainability is an international peer-reviewed open access semimonthly 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 2400 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

  • bio-sustainable materials
  • biotechnology applications
  • food applications
  • environmental applications
  • protein
  • natural polysaccharide
  • lignin
  • biological acid and nucleic acid

Published Papers (4 papers)

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Research

7 pages, 672 KiB  
Article
The (Mis)Understanding of the Symbol Associated with Recycling on Plastic Containers in the US: A Brief Report
by Carl A. Latkin, Lauren Dayton, Grace Yi and Ariel Balaban
Sustainability 2022, 14(15), 9636; https://doi.org/10.3390/su14159636 - 05 Aug 2022
Cited by 3 | Viewed by 3185
Abstract
Plastic containers are a major source of pollution and contribute to greenhouse gases. Many plastic containers are embossed with a small symbol of three arrows forming a triangle and a number in the middle of the triangle. As part of a US online [...] Read more.
Plastic containers are a major source of pollution and contribute to greenhouse gases. Many plastic containers are embossed with a small symbol of three arrows forming a triangle and a number in the middle of the triangle. As part of a US online study, we assessed the meaning of this symbol. Of the 808 respondents presented with a visual image of the three-arrow symbol, 81.3% reported (incorrectly) that the symbol indicated that the item could definitely be recycled and 16.3% reported that it could probably be recycled. The findings suggest that a large proportion of individuals have an inaccurate understanding of the symbol on plastics purported to indicate recycling. Plastic manufacturers should revise labels about recycling and not disseminate potentially deceptive information about the ability to recycle their products, and more effective methods such as extended producer responsibility legislation are needed to reduce plastic pollution. Full article
(This article belongs to the Special Issue Sustainable Materials for Food, Biotechnology, and Environmental Applications)
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11 pages, 1099 KiB  
Article
Immunity-Enhancing Effect of Extracts Extracted from Leaves of Rubia hexaphylla, Cymbopogon citratus, and Dioscorea japonica for Sustainable Healthy Life
by Mijeong Choi
Sustainability 2022, 14(5), 2804; https://0-doi-org.brum.beds.ac.uk/10.3390/su14052804 - 28 Feb 2022
Viewed by 1127
Abstract
The COVID-19 era requires research and development into eco-friendly immune technologies in human life. However, such research is limited because of a lack of interest. Therefore, in this study, sub-critical extracts extracted from Rubia hexaphylla leaves, Cymbopogon citratus, and Dioscorea japonica [...] Read more.
The COVID-19 era requires research and development into eco-friendly immune technologies in human life. However, such research is limited because of a lack of interest. Therefore, in this study, sub-critical extracts extracted from Rubia hexaphylla leaves, Cymbopogon citratus, and Dioscorea japonica with physiological effects were tested for their ability to enhance immunitye and antioxidant activity in the body. Cell viability experiments, cytokine secretion induction experiments, nitrogen oxide induction experiments, and cytokine content measurements in mouse serum and NK activation experiments were conducted to verify the effects of improving immunitye and antioxidant activity in the body. First, the cell survival rate of all samples was found to be over 95%. Second, it was confirmed that the contents of IL-6 and TNF-α in the macrophages of all samples were increased, especially for RCD 3, at concentrations of 1000 μg/mL. Third, the nitrogen oxide content of all samples was increased in the nitrogen oxide induction evaluation, especially for RCD 3, at the highest concentration of 1000 μg/mL. Fourth, for RCD 3, IL-2 and TNF-γ were the highest measured in the measurement of the cytokine content in the mouse serum. Fifth, in the NK activation experiments, the positive control group of the samples was all found to have higher activity than the negative control group, with more than 60% cell activity in RCD 3. Full article
(This article belongs to the Special Issue Sustainable Materials for Food, Biotechnology, and Environmental Applications)
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12 pages, 2261 KiB  
Article
The Effects of the Supercritical Extracts of Momordica charantia Linn., Pistacia lentiscus, and Commiphora myrrha on Oral Inflammation and Oral Cancer
by Mi Jeong Choi, Hwa Seung Yoo and So Jung Park
Sustainability 2022, 14(4), 2458; https://0-doi-org.brum.beds.ac.uk/10.3390/su14042458 - 21 Feb 2022
Cited by 3 | Viewed by 1771
Abstract
In this study, mixed extract samples (MPC-1–4) of natural plants, Momordica charantia Linn., Pistacia lentiscus, and Commiphora myrrha, were prepared according to their respective extraction methods, and the efficacy of these samples for treating oral inflammation and oral cancer was investigated. [...] Read more.
In this study, mixed extract samples (MPC-1–4) of natural plants, Momordica charantia Linn., Pistacia lentiscus, and Commiphora myrrha, were prepared according to their respective extraction methods, and the efficacy of these samples for treating oral inflammation and oral cancer was investigated. As a result of the cell proliferation inhibition experiment, all samples (MPC-1 to 4) decreased the proliferation of oral cancer cell MC3 and HN22 cells in a concentration-dependent manner (p < 0.01). The survival rates of MPC-4 and MPC-1 were about 50% and about 80%, respectively, showing a difference according to the extraction method. In flow cytometry results, early apoptosis and late apoptosis of MPC-4 were 26.9% and 18.1%, respectively, indicating that apoptosis induction was the most effective. Although the induction effect was shown in other samples, the result was lower than that of MPC-4. As a result of confirming the regulation of the signaling pathway, it was confirmed that the expression of cleaved caspase 3 and Bak regulatory genes increased in a concentration-dependent manner in MC3 and HN22 cells (p < 0.01), thus inducing apoptosis in oral cancer cells. In addition, as a result of safety and Xenograft model experiments, it was found that MPC-4 had no toxicity to oral administration. These results suggest that the supercritical extract of Momordica charantia Linn., Pistacia lentiscus, and Commiphora myrrha can be applied as a preventive and therapeutic agent for oral mucosa inflammation and oral cancer. Full article
(This article belongs to the Special Issue Sustainable Materials for Food, Biotechnology, and Environmental Applications)
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10 pages, 1592 KiB  
Article
Anti-Aging Effects of Terminalia bellirica, Phyllanthus emblica, Triphala, and Carica papaya Extracts for Sustainable Youth
by Mijeong Choi
Sustainability 2022, 14(2), 676; https://0-doi-org.brum.beds.ac.uk/10.3390/su14020676 - 08 Jan 2022
Cited by 2 | Viewed by 3184
Abstract
As the human lifespan becomes longer, many people invest time and money in managing external beauty. However, managing external beauty has the disadvantage of causing side effects or that the effect does not last. Therefore, research and development are required to maximize effectiveness, [...] Read more.
As the human lifespan becomes longer, many people invest time and money in managing external beauty. However, managing external beauty has the disadvantage of causing side effects or that the effect does not last. Therefore, research and development are required to maximize effectiveness, eco-friendliness, and sustainably in beauty management. The purpose of this study was to experimentally identify the anti-aging effects, such as skin wrinkle and elasticity improvement, of extracts from Bahera, Phyllanthus emblica, Triphala, and Carica papaya, and to confirm their development as whitening and wrinkle functional cosmetic materials. In this study, a solid mixture was prepared using eco-friendly Terminalia bellirica, amla (Phyllanthus emblica), Triphala, and Carica papaya, and experimental samples were extracted. Antioxidant tests, antibacterial activity tests, polyphenol and flavonoid content, and deodorization tests were conducted to test the efficacy of experimental samples. The procedures and methods of these experiments are summarized in the following article. In this study, we found that the Bahera, Phyllanthus emblica, Triphala, and Carica papaya extracts had significant effects on whitening and wrinkle improvement, and that the effects of using ethanol-based extracts as the co-solvent were even greater. In other words, extracts of Bahera, Phyllanthus emblica, Triphala and Carica papaya showed antioxidant, whitening, and anti-wrinkle effects, and extracts that used ethanol as a co-solvent showed greater effects. In particular, we found that the optimal concentration of ethanol as a co-solvent maximizes its effectiveness at 70%. Full article
(This article belongs to the Special Issue Sustainable Materials for Food, Biotechnology, and Environmental Applications)
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