Tannins from Acacia mearnsii De Wild. Bark: Tannin Determination and Biological Activities

S Ogawa, Y Yazaki - Molecules, 2018 - mdpi.com
The bark of Acacia mearnsii De Wild.(black wattle) contains significant amounts of water-
soluble components acalled “wattle tannin”. Following the discovery of its strong antioxidant …

Tyrosinase inhibition by extracts and constituents of Sideroxylon inerme L. stem bark, used in South Africa for skin lightening

S Momtaz, BM Mapunya, PJ Houghton… - Journal of …, 2008 - Elsevier
OBJECTIVE: To investigate the stem bark of Sideroxylon inerme L. and its compounds for
tyrosinase-inhibition activity and to evaluate the mechanism involved of the most potent …

α-Amylase and lipase inhibitory activity and structural characterization of acacia bark proanthocyanidins

R Kusano, S Ogawa, Y Matsuo, T Tanaka… - Journal of Natural …, 2011 - ACS Publications
The bark extract of Acacia mearnsii showed strong lipase and α-amylase inhibition activities.
Fractionation of the extract by column chromatography and subsequent 13C NMR and …

Phytochemistry and bioactivity of Acacia sensu stricto (Fabaceae: Mimosoideae)

D Jaeger, MC O'Leary, P Weinstein, BL Møller… - Phytochemistry …, 2019 - Springer
Abstract Acacia sensu lato (Fabaceae: Mimosoideae) was recently retypified and divided
into five genera worldwide: Acacia, Acaciella, Mariosousa, Senegalia and Vachellia. Acacia …

NMR, HPLC-ESI-MS, and MALDI-TOF MS Analysis of Condensed Tannins from Delonix regia (Bojer ex Hook.) Raf. and Their Bioactivities

WM Chai, Y Shi, HL Feng, L Qiu, HC Zhou… - Journal of agricultural …, 2012 - ACS Publications
The structures of the condensed tannins isolated from leaf, fruit, and stem bark of Delonix
regia (Bojer ex Hook.) Raf. have been investigated with 13C nuclear magnetic resonance …

Food-derived bioactive peptides with antioxidative capacity, xanthine oxidase and tyrosinase inhibitory activity

A Thaha, BS Wang, YW Chang, SM Hsia, TC Huang… - Processes, 2021 - mdpi.com
Bioactive peptides (BPs) released by proteases from different food protein sources are often
served as antioxidants in food applications. This study aims to investigate 11 BPs derived …

Antitumoral, antioxidant, and antimelanogenesis potencies of Hawthorn, a potential natural agent in the treatment of melanoma

N Mustapha, I Mokdad-Bzéouich, M Maatouk… - Melanoma …, 2016 - journals.lww.com
The lack of an efficient agent that does not have the disadvantage of low activity (kojic acid),
high cytotoxicity, and mutagenicity (hydroquinone), poor skin penetration (arbutin), or low …

The use of condensed tannin in lambs' diet alters the rumen protozoa population without affecting growth performance

LJ Guimarães, M Zundt, MP Tsujiguchi, FM Giotto… - Small Ruminant …, 2023 - Elsevier
The aim of this study was to evaluate the effect of different doses of Black Wattle (Acacia
mearnsii) condensed tannin on performance, dry matter intake, blood parameters, and …

Quantitative analysis of solubility parameters and surface properties of larch bark proanthocyanidins

S Chen, J Song, L Du, Y Ma, S Ren, J Ren, S Li - Polymers, 2020 - mdpi.com
Quantitative characterization of the solubility parameters and surface properties of larch bark
proanthocyanidins will lay the foundation for quantitative studies of the interfacial …

Low-cost Ru/C-catalyzed depolymerization of the polymeric proanthocyanidin-rich fraction from bark to produce oligomeric proanthocyanidins with antioxidant activity

H Zhu, P Li, S Ren, W Tan, G Fang - Acs Omega, 2019 - ACS Publications
A new method has been developed for the high-value utilization of larch bark, which is
regarded as a low-value byproduct of the logging industry. Polymeric proanthocyanidins …