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Coatings
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Advanced Antimicrobial and Bioactive Materials and Coatings
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Advanced Antimicrobial and Bioactive Materials and Coatings

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Bioactive Coatings and Biointerfaces".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 8070

Special Issue Editor

Prof. Dr. Louis Kuoping Chao

E-Mail Website
Guest Editor
Department of Cosmeceutics, China Medical University Taichung, Taichung, Taiwan
Interests: interface chemistry; utilization of biological resources; purification and separation of bioactive substances; coating of paper/ textile surface.

Special Issue Information

Dear Colleagues,

Bio-based materials, such as natural herb materials, show promise as substitutes for materials from non-renewable sources, replacing traditional petroleum polymers in several industrial sectors. Natural herb materials are being used as coatings and in combination with further treatments and functional coatings that may reinforce their bioresponsive properties or provide additional properties, such as antimicrobial, antioxidant, anti-inflammatory, and pesticide-repelling or insecticidal activity.

This Special Issue aims to cover all aspects of the development of natural compounds that have an antimicrobial or insecticidal effect as a natural extract coating. We invite authors to contribute original research articles addressing significant issues and contributing towards the development of new concepts, methodologies, applications, trends, and knowledge in this field. Review articles describing the current state of the art are also welcome.

Topics of interest include, but are not limited to:

  • natural herb extracts;
  • bioactive coatings and materials;
  • interface chemistry;
  • utilization of biological resources;
  • purification and separation of bioactive substances;
  • coating of paper/ textile surface.

Prof. Dr. Louis Kuoping Chao
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. Coatings 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 2600 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.

Published Papers (2 papers)

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Research

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14 pages, 868 KiB  
Article
Improving the Shelf Life of Peeled Fresh Almond Kernels by Edible Coating with Mastic Gum
by Muhammad Farooq, Elham Azadfar, Alexandru Rusu, Monica Trif, Mahmoud Kohneh Poushi and Yunyang Wang
Coatings 2021, 11(6), 618; https://doi.org/10.3390/coatings11060618 - 21 May 2021
Cited by 25 | Viewed by 3936
Abstract
Coating, as a process in which fruits, vegetables, kernels, and nuts are covered with an edible layer, is an environmentally friendly alternative to plastic wrapping, which has been considered the most effective way to preserve them over the long term. On the other [...] Read more.
Coating, as a process in which fruits, vegetables, kernels, and nuts are covered with an edible layer, is an environmentally friendly alternative to plastic wrapping, which has been considered the most effective way to preserve them over the long term. On the other hand, prolonging the shelf life results in a reduction of spoilage and therefore achieving a goal that is very important nowadays—the reduction of food waste. The quality of preserved almonds kernels depends on factors such as grain moisture, storage temperature, relative humidity, oxygen level, packaging, and the shape of the stored nuts (along with being peeled, unpeeled, roasted, etc.). The commercial importance of the almond fruit is related to its kernel. Almonds that are peeled (without the thin brown skin) and stored have a shorter shelf life than unpeeled almonds since the reddish-brown skin, rich in antioxidants, may protect the kernels against oxidation. In this study, a bioactive edible coating has been tested, which may provide an effective barrier against oxygen permeation and moisture, thus preserving the quality of peeled fresh almonds by extending their shelf life. Mastic gum, as a natural coating agent, was used to coat the peeled fresh almond kernels in four different concentrations (0.5%, 1.0%, 1.5%, and 2.0% w/v). The effect of mastic gum coating on the quality parameters of the peeled fresh almonds (moisture uptake, oil oxidation, total yeast and mold growth, and Aspergillus species development) was studied during four months of storage. The results showed that mastic gum, as a coating agent, significantly (p < 0.05) reduced moisture absorption, peroxide and thiobarbituric acid indices, total yeast and mold growth, and Aspergillus species development in the peeled and coated fresh almonds, compared to the control, i.e., uncoated fresh almonds, during 4 months of storage, packed at room temperature (25–27 °C) inside a cabinet at 90% humidity. Therefore, mastic gum can be used as a great natural preservative coating candidate with antioxidant and antimicrobial effects. Full article
(This article belongs to the Special Issue Advanced Antimicrobial and Bioactive Materials and Coatings)
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Review

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27 pages, 4531 KiB  
Review
Antiarthritic Activities of Herbal Isolates: A Comprehensive Review
by Shweta Jain, Ankur Vaidya, Pawan Kumar Gupta, Jessica M. Rosenholm and Kuldeep K. Bansal
Coatings 2021, 11(11), 1329; https://doi.org/10.3390/coatings11111329 - 29 Oct 2021
Cited by 9 | Viewed by 3519
Abstract
Numerous plant isolates with therapeutic properties, such as antimicrobial, antiinflammatory, antiviral, antimalarial, antiarthritic (AA), hepatoprotective, cardiotonic, and so forth, are reported in the literature. Usually, medicinal plants are widely used, and assumed to be safe and cheaper alternatives to chemically synthesized drugs. However, [...] Read more.
Numerous plant isolates with therapeutic properties, such as antimicrobial, antiinflammatory, antiviral, antimalarial, antiarthritic (AA), hepatoprotective, cardiotonic, and so forth, are reported in the literature. Usually, medicinal plants are widely used, and assumed to be safe and cheaper alternatives to chemically synthesized drugs. However, they are not regulated for potency and purity, and thus care must be taken for their safe use. In this review, we aimed to compile all of the herbal isolates possessing AA properties, including alkaloids (montanine, 3-acetylaconitine, sanguinarine, jatrorrhizine hydrochloride, and piperine), terpenoids (eugenol, nimbolide, bartogenic acid, cannabidiol, and curcumin), and flavonoids (quercetin, resveratrol, kaempferol, chebulanin, ellagic acid, rosmarinic acid, gallic acid, chlorogenic acid, ferulic acid, and brazilin). These isolates act through numerous pharmacological mechanisms such as inhibiting cytokines, chemokines, or matrix metalloproteinase, etc., to demonstrate AA activity. Animal models utilized for assessing the AA properties of these isolates, including adjuvant-induced arthritis mouse models, are also discussed. Furthermore, nanotechnology-based approaches to deliver these isolates are also reviewed, which have shown improved therapeutic efficacy of isolated compounds. Full article
(This article belongs to the Special Issue Advanced Antimicrobial and Bioactive Materials and Coatings)
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