Results 81 to 90 of about 6,516,175 (208)

Distribution and biosynthesis of LH-RH and structurally related peptides [PDF]

, 1988
Biologically active peptides are a class of molecules which can, in general, be grouped into families of structurally related moieties which have a wide somatic distribution and which subserve multiple physiological roles.
Dutlow, Clive M
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Biotransformasi (−)-Epigalokatekin-3-O-galat Menjadi (−)-2R,3S-Dihidromirisetin oleh Fungi Endofit Diaporthe sp. Isolat E dari Tumbuhan Teh

Hayati Journal of Biosciences, 2007
Endophytic fungi have been reported possess an interesting ability to mimic their host plant metabolites. Several fungi also show their specific capability to biotransform the chemical constituents of the host plant. The endophytic fungus Diaporthe sp. E
ANDRIA AGUSTA
doaj   +1 more source

Urinary excretion of LH RH after i.v. injection in rabbit and man [PDF]

, 1977
peer reviewedThe excretion of immunoreactive and radioactive material in urine was studied after intravenous injection of synthetic LH-RH in the rabbit and in man.
Franchimont, Paul, Bourguignon, Jean-Pierre, Leinartz-Dourcy, C.   +2 more
core   +1 more source

Activity-guided Isolation and Identification of Antioxidant Components from Ethanolic Extract of (Torr.) Engl

Natural Product Communications, 2008
Activity-directed fractionation and isolation procedures were used to identify the antioxidant components of Peltiphyllum peltatum. Fresh leaves were extracted with ethanol and subsequently fractionated into light petroleum, chloroform, ethyl acetate, n -
Solomon Habtemariam
doaj   +1 more source

Diterpenoid alkaloids from a Tibetan medicinal plant Aconitum richardsonianum var. pseudosessiliflorum and their cytotoxic activity

Journal of Pharmaceutical Analysis, 2011
The chemical constituents from Aconitum richardsonianum var. pseudosessiliflorum were investigated. The roots of this plant were extracted three times with 90% EtOH at the room temperature.
Yang-Qing He, Bing-Hua Yao, Zhan-Ying Ma
doaj   +1 more source

Interaction of amino acids, N-acetylamino acid esters, thymine and adenine with sephadex LH-20 GEL.

, 1975
N-Acctyl aromatic amino acid esters, tryptophan, adenine and thymine show strong retention in Sephadex LH-20 gel in an aqueous phase. The decreased retention in 6 M urea.
Nandi, P. K., Prakash, V.
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Bioassay-guided isolation of the antioxidant constituent from Cassia alata L. leaves [PDF]

Songklanakarin Journal of Science and Technology (SJST), 2004
Using DPPH radical scavenging assay to investigate the antioxidant activity of crude methanol extracts from the leaves, flowers and pods of Cassia alata L.
Pharkphoom Panichayupakaranant, Songsri Kaewsuwan   +1 more
doaj  

Study on the preparation and enzyme inhibitory activity of polyphenols from Sargassum pallidum.

PLoS ONE
This study aimed to obtain a high yield and purity of Sargassum pallidum polyphenol extracts (SPPE) and study its enzyme activity. Fresh Sargassum pallidum seaweed was selected for optimization of ultrasound-assisted extraction (UAE) conditions and ...
Haiyun Jiang, Li Kong, Hongguang Tang, Zhenzhen Wang, Caiping Liu, Jianhui Zhang, Yuxin Chen, Jinyang Shen, Yue Zhou   +8 more
doaj   +1 more source

Sephadex sandwich disc electrophoresis

, 1970
A new Sephadex sandwich disc electrophoresis method has been devised for effective resolution of complex macromolecules on the basis of their charge and molecular dimensions.
Fatterpaker, P., Koppikar, S. V., Sreenivasan, A.   +2 more
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The Molecular Weight Characterisation of Pinus radiata Bark Condensed Tannins [PDF]

, 2007
Crude condensed tannins extracted from Pinus radiata bark (sourced from Tokoroa) with various solvents (Hot water (HW), methanol/water/acetic acid (MWA), acetone/water (AW) and hot aqueous 2% sulphite/urea solution (SFU)) were subjected to Sephadex LH-20
Bogun, Ben Rowan
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