Galloylation of polyphenols alters their biological activity

D Karas, J Ulrichová, K Valentová - Food and Chemical Toxicology, 2017 - Elsevier
Polyphenols form one of the largest groups of natural compounds and possess a wide range
of biological properties. These activities can be influenced by the galloyl moiety within their …

Tannase production using green biotechnology and its applications: A review

P Sutaoney, A Akhand, M Meshram, S Sinha… - Biochemical …, 2024 - Elsevier
An enormous increase in the use of enzymes in a wide range of industrial biological
conversion technologies has been made possible by the explosion of green biotechnology …

Integrated proteomics and metabolomics analysis of tea leaves fermented by Aspergillus niger, Aspergillus tamarii and Aspergillus fumigatus

Y Ma, T Ling, X Su, B Jiang, B Nian, L Chen, M Liu… - Food Chemistry, 2021 - Elsevier
Post-fermented Pu-erh tea (PFPT) is a microbially-fermented tea with distinct sensory
qualities and multiple health benefits. Aspergillus are the dominant fungi in the fermentation …

Integrated meta-omics approaches to understand the microbiome of spontaneous fermentation of traditional Chinese pu-erh tea

M Zhao, XQ Su, B Nian, LJ Chen, DL Zhang, SM Duan… - Msystems, 2019 - Am Soc Microbiol
The microbiome in fermentation has direct impacts on the quality of fermented foods and is
of great scientific and commercial interest. Despite considerable effort to explain the …

High performance liquid chromatography and metabolomics analysis of tannase metabolism of gallic acid and gallates in tea leaves

M Liu, H **e, Y Ma, H Li, C Li, L Chen… - Journal of agricultural …, 2020 - ACS Publications
Tannase (EC 3.1. 1.20) is hypothesized to be involved in the metabolism of gallates and
gallic acid (GA) in pu-erh tea fermentation. In this work, we measured tannase in Aspergillus …

Bacterial tannases: classification and biochemical properties

B de Las Rivas, H Rodríguez, J Anguita… - Applied microbiology and …, 2019 - Springer
Tannin acyl hydrolases, also known as tannases, are a group of enzymes critical for the
transformation of tannins. The study of these enzymes, which initially evolved in different …

Recent trends and advancements in microbial tannase-catalyzed biotransformation of tannins: a review

S Dhiman, G Mukherjee, AK Singh - International Microbiology, 2018 - Springer
The outburst of green biotechnology has facilitated a substantial upsurge in the usage of
enzymes in a plethora of industrial bioconversion processes. The tremendous biocatalytic …

Genome-wide analysis of serine carboxypeptidase-like acyltransferase gene family for evolution and characterization of enzymes involved in the biosynthesis of …

MZ Ahmad, P Li, G She, E **a, VA Benedito… - Frontiers in plant …, 2020 - frontiersin.org
Tea (Camellia sinensis L.) leaves synthesize and concentrate a vast array of galloylated
catechins (eg, EGCG and ECG) and non-galloylated catechins (eg, EGC, catechin, and …

Purification and structural analysis of tannase from novel bacteria of Bacillus cereus strain KMS3-1 isolated in marine sediment

RK Govindarajan, AF Alrefaei, MH Almutairi… - Food Bioscience, 2024 - Elsevier
Tannases are a family of esterases that catalyze the hydrolysis of ester and depside bonds
of hydrolyzable tannins to release small compounds such as glucose. In this work, tannase …

Purification and characterization of a novel tannase produced by Kluyveromyces marxianus using olive pomace as solid support, and its promising role in gallic acid …

AE Mahmoud, SA Fathy, MM Rashad, MK Ezz… - International journal of …, 2018 - Elsevier
Tannase is considered one of the most important industrial enzymes that find great
applications in various sectors. Production of tannases through solid state fermentation …