Results 71 to 80 of about 45,880 (230)

Tannin Structural Elucidation and Quantitative 31P NMR Analysis. 2. Hydrolyzable Tannins and Proanthocyanidins [PDF]

open access: yesJournal of Agricultural and Food Chemistry, 2013
An unprecedented analytical method that allows simultaneous structural and quantitative characterization of all functional groups present in tannins is reported. In situ labeling of all labile H groups (aliphatic and phenolic hydroxyls and carboxylic acids) with a phosphorus-containing reagent (Cl-TMDP) followed by quantitative 31P NMR acquisition ...
Melone F   +3 more
openaire   +5 more sources

Thermal degradation study of vegetable tannins and vegetable tanned leathers [PDF]

open access: yes, 2018
In this study, hydrolyzable tannins (commercial chestnut, valonea and tara extracts), condensed tannins (commercial quebracho and mimosa extracts) as well as calf leathers produced using these vegetable tanning agents were characterized by thermal ...
Jakab, Emma   +5 more
core   +1 more source

Bridging Flavour and Fragrance: A Behaviour‐Based Olfactory Pyramid for Whisky Maturation Inspired by Perfumery Principles

open access: yesFlavour and Fragrance Journal, EarlyView.
This framework transposes the perfumery olfactory pyramid to whisky maturation by sequencing aromas into top, heart, and base notes according to their temporal persistence. Using Log P as a behaviour‐based classification axis and oak macromolecules as natural fixative analogues, it proposes a behaviour‐based aromatic wheel bridging flavour chemistry ...
Magali Picard
wiley   +1 more source

Desenvolvimento de métodos analíticos em GC-FID, CE-UV e LC-MS/MS no estudo fitoquímico de triterpenos, flavonóis e taninos voltado para a obtenção de uma nova cultivar de Maytenus ilicifolia (espinheira-santa) [PDF]

open access: yes, 2014
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2014.Esta tese tem como proposta principal o desenvolvimento de novos métodos analíticos para a ...
Vistuba, Jacqueline Pereira
core  

Rewiring nutrition: Chemical insights into the physiological and microbiological roles of food's microconstituents

open access: yesFood Biomacromolecules, EarlyView.
Bidirectional interactions between food‐derived sensory compounds, gut sensing and microbiota, host physiological feedback, and metabolite production within the food matrix collectively shape sensory perception, microbial dynamics, and metabolic health.
Mohammad Nazrul Islam Bhuiyan
wiley   +1 more source

Tannin treated lucerne silage in dairy cow feeding

open access: yesItalian Journal of Animal Science, 2010
The effects of the addition of tannins to lucerne silage were investigated. At ensiling, chestnut hydrolyzable tannins were added to lucerne forage (T=tannins treated lucerne silage vs C=control lucerne silage).
Luca Rapetti   +4 more
doaj   +1 more source

Bioactive compounds in insects—Composition, extraction, functionality, food applications, and safety concerns

open access: yesFood Biomacromolecules, EarlyView.
This review synthesizes 94 studies (2000–2025) exploring edible insects as sustainable sources of peptides, lipids, and chitin. Utilizing “green” extraction, these bioactives offer antioxidant and antimicrobial benefits for functional foods. However, addressing safety concerns like allergenicity and heavy metals through standardized frameworks remains ...
Blessing Rachael Adeyeye   +1 more
wiley   +1 more source

An in-depth review on tannin sources, extraction methods, and industrial applications

open access: yesDiscover Food
Tannins are naturally occurring polyphenolic compounds that are widely distributed in a variety of plant parts, such as leaves, bark, fruits, and seeds.
Mohammad Bellal Hoque   +8 more
doaj   +1 more source

Phytochemical Components and Bioactivity Assessment among Twelve Strawberry (Arbutus unedo L.) Genotypes Growing in Morocco Using Chemometrics

open access: yesFoods, 2020
There are not many exhaustive works emphasizing the amount of genetic diversity among the strawberry tree (Arbutus unedo L.) genotypes in Morocco. This work aims to assess the biochemical composition of strawberry tree fruits, as well as to establish the
Hafida Zitouni   +7 more
doaj   +1 more source

Reassessment of the roles of the peritrophic envelope and hydrolysis in protecting polyphagous grasshoppers from ingested hydrolyzable tannins [PDF]

open access: yes, 1996
We examined several of the mechanisms that have been reported to enable polyphagous grasshoppers (Orthoptera: Acrididae) to tolerate ingested hydrolyzable tannins: hydrolysis, adsorption on the peritrophic envelope, and peritrophic envelope ...
Barbehenn, Raymond V.   +2 more
core   +1 more source

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