Hydrolyzable tannins from Balanophora polyandra
Acta Pharmaceutica Sinica B, 2013 This study reports an investigation of the chemical constituents of Balanophora polyandra Griff. Fifteen compounds were isolated by column chromatography on silica gel, Toyo-pearl HW-40C, Sephadex LH-20 and by HPLC.
Yangai Wang +6 more
doaj +2 more sources
Hydrolyzable vs. Condensed Wood Tannins for Bio-based Antioxidant Coatings: Superior Properties of Quebracho Tannins [PDF]
Antioxidants, 2020 Tannins have always been the subject of great interest for their countless properties, first of all their ability to produce functional coatings on a variety of materials.
Federica Moccia +6 more
doaj +4 more sources
Tannin Structural Elucidation and Quantitative P-31 NMR Analysis. 1. Model Compounds [PDF]
Journal of Agricultural and Food Chemistry, 2013 Tannins and flavonoids are secondary metabolites of plants that display a wide array of biological activities. This peculiarity is related to the inhibition of extracellular enzymes that occurs through the complexation of peptides by tannins.
Crestini, C +3 more
core +5 more sources
Tannins of Constant Structure in Medicinal and Food Plants—Hydrolyzable Tannins and Polyphenols Related to Tannins [PDF]
Molecules, 2011 In addition to the commonly used classification as hydrolyzable tannins and condensed tannins, tannins can also be categorized into two other types: polyphenols of constant chemical structure (Type A) and polyphenols of variable composition (Type B ...
Takuo Okuda, Hideyuki Ito
doaj +2 more sources
Effects of hydrolyzable tannin extract obtained from sweet chestnut wood (Castanea sativa Mill.) against bacteria causing subclinical mastitis in Thai Friesian dairy cows [PDF]
Veterinary World, 2021 Background and Aim: Hydrolyzable tannins are an important group of secondary plant metabolites, which are known for antimicrobial activity. This study aimed to assess the efficiency with which a hydrolyzable tannin extract from sweet chestnut wood ...
Tipwadee Prapaiwong +3 more
doaj +1 more source
Chemical Derivatization of Commercially Available Condensed and Hydrolyzable Tannins. [PDF]
ACS Sustain Chem Eng, 2021 Novel valorization routes for tannins were opened by the development of a simple, straightforward, robust, and flexible approach to the selective functionalization of condensed and hydrolyzable tannins. Irrespective of the different degrees of polymerization, different commercial tannins were efficiently functionalized by the generation of an ether ...
Zhen L, Lange H, Zongo L, Crestini C.
europepmc +6 more sources
Valorization of Prickly Pear Peel Residues (Opuntia ficus-indica) Using Solid-State Fermentation
Foods, 2023 Prickly pear peel (Opuntia ficus-indica) residues can be used as a substrate in solid-state fermentation to obtain bioactive compounds. The kinetic growth of some Aspergillus strains was evaluated.
Arturo Coronado-Contreras +5 more
doaj +1 more source
Ellagitannins and Oligomeric Proanthocyanidins of Three Polygonaceous Plants
Molecules, 2021 The aim of this study was to characterize hydrolyzable tannins in Polygonaceous plants, as only a few plants have previously been reported to contain ellagitannins.
Yun-Qiu Li +10 more
doaj +1 more source
Antioxidants, 2021 Six critical stages corresponding to major morphophysiological events in carob fruit ripening were defined, and changes in the primary and secondary metabolome and in vitro antioxidant capacity were examined in two genotypes collected at low (15 m) and ...
Marios C. Kyriacou +4 more
doaj +1 more source
Journal of Agricultural and Food Chemistry, 2022 Precipitation of bovine serum albumin (BSA) by 21 hydrolyzable tannins (HTs) and the characteristics of the insoluble complexes were studied stoichiometrically by ultra-performance liquid chromatography. With regard to HT monomers, the protein precipitation and the characteristic of the formed precipitates were unique for each studied HT and depended ...
Marica T. Engström +2 more
openaire +3 more sources