Results 131 to 140 of about 1,124 (175)

Gallotannins and Related Polyphenols fromPistacia weinmannifolia

Planta Medica, 2000
Two new gallotannins, pistafolins A (1) and B (2), were isolated from the leaf extract of Pistacia weinmannifolia. Their structures were determined by spectral methods. Four known gallotannins (3-6), seven known flavonoid glycosides (7-13), along with 1-O-beta-D-(6'-O-galloyl)-glucopyranosyl-3-methoxy-5-hydroxybenzen e (14), gallic acid (15), methyl ...
A J, Hou, L Y, Peng, Y Z, Liu, Z W, Lin, H D, Sun   +4 more
openaire   +2 more sources

Gallotannin Determination by Rhodanine Assay

2003
The plant material was extracted as described in Section 2.2.4. The supernatant is designated as supernatant A.
openaire   +1 more source

GALLOTANNIN. XIV. THE ACTION OF YEAST ON GALLOTANNIN

Journal of the American Chemical Society, 1925
M. Nierenstein, C. W. Spiers, C. Hadley
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Gallotannin Determination Using HPLC

2003
Pipette 1 ml of supernatant A (see Section 5) into the above mentioned culture tubes, remove acetone in a vacuum oven adjusted at 40°C (pressure 300 mbar). It takes about 3 h to remove acetone. Acetone can also be removed by flushing with nitrogen gas. Dry the contents completely in a heating block at 40°C by flushing with nitrogen.
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Gallotannine und Ellagen-gerbstoffe

1956
Wenn uber Fortschritte der Chemie der Gallotannine berichtet werden soll, so mus ein Ausgangspunkt gewahlt werden, von dem aus die neu gewonnenen Erkenntnisse geschildert werden. Das ist in unserem Falle nicht schwer. Emil Fischer hatte fur das chinesische Gallotannin (aus den Blattgallen von Rhus semialata) und das turkische Gallotannin (aus den ...
openaire   +1 more source

Enzymatic Synthesis of Gallotannins and Related Compounds

1992
The onset of the 20th century marks the period when plant tannins, as many other natural products, became the subject of intense investigations aimed at the elucidation of their chemical structures, properties, and distribution in the Plant Kingdom. Among many researchers of that time, the name of E.
openaire   +1 more source

737. Gallotannins. Part VII. Tara gallotannin

Journal of the Chemical Society (Resumed), 1962
E. Haslam, R. D. Haworth, P. C. Keen
openaire   +1 more source

736. Gallotannins. Part VI. Turkish gallotannin

Journal of the Chemical Society (Resumed), 1962
R. Armitage, E. Haslam, R. D. Haworth, T. Searle   +3 more
openaire   +1 more source

Gallotannins

2022
openaire   +1 more source

Gallotannin-Enriched Fraction From Quercus infectoria Galls as an Antioxidant and Inhibitory Agent Against Human Glioblastoma Multiforme

Plants, 2021
Suat Cheng Tan, Nik Nur Hakimah Nik Salleh, Nur Alisa Kamarudin   +2 more
exaly