Bioactive Tannins in Foods and Feeds

Dear Colleagues,

Tannins, among other polyphenols, are a widely distributed group of specialized metabolites in the plant kingdom. Natural and processed foods and feeds made from raw materials rich in tannins can contain the very same tannins or their modified analogues due to the post-harvest storage and processing of plants. While being determinants of flavor and astringency, tannins also contribute to the color intensity of various beverages via the formation of new tannin-like compounds and tannin adducts, for example, during tea fermentation or wine aging. Most importantly, tannins are biologically active compounds with great interest in nutrition and medicine, as many health-promoting effects, such as antioxidant, anticarcinogenic, antimicrobial and antimutagenic activities, or anthelmintic properties have been reported. To better understand the sensory properties and bioactivities of tannins, it is essential to analyse the nature and quantity of tannins in all plant-based products, as the functional groups present in various tannins affect their properties differently.

This Special Issue is focused on the most recent advances in the field of tannin chemistry, structural elucidation and targeted analysis of tannins, valorization of industrial waste materials, and bioactivity and bioavailability of tannins. In addition, articles addressing the processing and sensory properties of tannins in various products, including wine chemistry, are also in the scope of this Molecules Special Issue “Bioactive Tannins in Foods and Feeds”.

Dr. Maarit Karonen
Dr. Marica T. Engström
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. Molecules 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 2700 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.

• biological activity
• characterization
• food, feed and beverages
• modification
• side-stream products
• spectroscopic techniques
• structure-activity patterns
• tannin analytics