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Identification and characterization of foliar polyphenolic composition in sweetpotato (Ipomoea batatas L.) genotypes.
Trials over two years were conducted using 1389 sweetpotato (Ipomoea batatas L.) genotypes collected from all over the world to characterize the polyphenolic composition in sweetpotato leaves. WideExpand
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Isolation and Characterization of Phenolic Compounds from Magnoliae Cortex Produced in China.
A chemical examination of Magnoliae Cortex produced in China (Magnolia officinalis REHD. et WIL S., Magnoliaceae) has led to the isolation of eighteen new lignans and related compounds [fourExpand
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Degradation of ginseng saponins under mild acidic conditions.
Ginseng saponins, ginsenosides Rg (1), Re and Rb (1), decomposed under mild acidic conditions to yield prosapogenins. The structures of the prosapogenins were investigated by (13)C-NMR spectroscopyExpand
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Steroidal glycosides from Solanum torvum
Abstract Seven new steroidal glycosides, named torvosides A-G, were isolated from the aerial parts and from the roots of Solanum torvum . Their structures were characterized as (25S)-26-O-β- dExpand
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Antimutagenicity of Mono-, Di-, and Tricaffeoylquinic Acid Derivatives Isolated from Sweetpotato (Ipomoea batatas L.) Leaf
The caffeoylquinic acid derivatives, 3-mono-O-caffeoylquinic acid (chlorogenic acid, ChA), 3,4-di-O-caffeoylquinic acid (3,4-diCQA), 3,5-di-O-caffeoylquinic acid (3,5-diCQA), 4,5-di-O-caffeoylquinicExpand
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Dammarane saponins of leaves of Panax pseudo-ginseng subsp. himalaicus
Abstract From dried leaves of Panax pseudo-ginseng subsp. himalaicus collected in Eastern Himalaya, new dammarane saponins, named pseudo-ginsenosides-F 11 and -F 8 were isolated along with the knownExpand
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Cyclic peptides, acyclic diterpene glycosides and other compounds from Lycium chinense Mill.
The chemical structures of four cyclic peptides, lyciumins A-D (1-4), three acyclic diterpene glycosides, lyciumosides I-III (5-7) and other three compounds, a tryptophan derivative glycoside (8), aExpand
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Antimicrobial components in leaves of Lycium chinense Mill.
Biologically active compounds in leaves of Lycium chinense (Lycii Folium) were examined to develop the effective use of this plant as a health food. The methanol extract of Lycii Folium exhibitedExpand
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Inhibitory effect of green tea polyphenols on membrane-type 1 matrix metalloproteinase, MT1-MMP.
Matrix metalloproteinases (MMPs), especially membrane-type 1 matrix metalloproteinase (MT1-MMP), which generates an active form of MMP-2 from proMMP-2, are deeply involved in angiogenesis as well asExpand
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