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Degradation of condensed tannins byCalvatia gigantea
Applied Microbiology and Biotechnology, 1986Calvatia gigantea, an edible puffball, was grown well on simple phenolic compounds and hydrolysable and condensed tannins as sole carbon sources. A new enzymic system was found to be involved in the degradation of catechin, the building unit of condensed tannins. This enzymic system was induced by catechin and displayed no phenoloxidase activity. Crude
M. Galiotou-Panayotou, B. J. Macris
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Genetic Systems for Condensed Tannin Biotechnology
1999Condensed tannins (proanthocyanidins) are plant phenolic polymers with protein-binding, carbohydrate-binding, and antioxidant properties. Dietary condensed tannins deter some insects from feeding on crops, disrupt insect digestion and growth,1 and deter larger browsing and foraging animals.2 As well, the very high levels of condensed tannins found in ...
Margaret Y. Gruber +12 more
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The condensed tannins (proanthocyanidins) in seagrasses
Aquatic Botany, 1984Abstract In a survey of 29 species in the 12 seagrass genera, those in the Potamogetonaceae that characteristically have tannin cells in the leaves (Posidonioideae: Posidonia; Cymodoceoideae: Halodule, Syringodium, Cymodocea, Thalassodendron, Amphibolis) contained compounds with the Rf values and color reactions typical of condensed tannins.
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Antinutritional Effects of Condensed and Hydrolyzable Tannins
1992Despite major structural differences, hydrolyzable and condensed tannins often produce similar antinutritional effects. The most common effects are diminished weight gains and lowered efficiency of nutrient utilization. The major biochemical basis for these effects appears not to be inhibition of dietary protein digestion but rather a systemic ...
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Condensed Tannins from Longan Bark as Inhibitor of Tyrosinase: Structure, Activity, and Mechanism.
Journal of Agricultural and Food Chemistry, 2018Wei-Ming Chai +7 more
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An Overview of Condensed Tannin Structure
1989The proanthocyanidins are an important class of natural products forming the basis for various classes of flavonoid polymers such as the condensed tannins, phlobaphenes, and phenolic acids. Refining our understanding of the structure of polyflavonoids will lead to a better appreciation of their properties and help in developing their use as a renewable
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