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Identification and characterization of foliar polyphenolic composition in sweetpotato (Ipomoea batatas L.) genotypes.
TLDR
Six different polyphenolic compounds were identified and quantified by NMR, FABMS, and RPHPLC analysis procedures and are reported on in what is the first report ofpolyphenolic compositions in sweetpotato leaves. Expand
Degradation of ginseng saponins under mild acidic conditions.
TLDR
The structures of the prosapogenins were investigated by (13)C-NMR spectroscopy and Rg (1)-prosapogenin II was shown to be a mixture of ginsenoside Rh (1), and its C-20 epimer, produced by hydrolysis followed by epimerization at C- 20. Expand
Isoflavan and related compounds from Dalbergia odorifera. I
Twenty-seven isoflavonoid monomer and dimer derivatives were obtained from the heartwood of Dalbergia odorifera T. CHEN (Leguminosae). The structure elucidation of twelve monomeric and five dimericExpand
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
In vitro regeneration of the medicinal woody plant Phellodendron amurense Rupr. through excised leaves
Shoot organogenesis and plant establishment has been achieved for Phellodendron amurense Rupr. from excised leaf explants. Young leaf explants were collected from in vitro established shoot culturesExpand
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
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
Antimicrobial components in leaves of Lycium chinense Mill.
TLDR
The methanol extract of Lycii Folium exhibited antimicrobial activities, and one of the active compounds was identified as lyciumoside I (1) which is a characteristic component of Lycium chinense. Expand
Antimutagenicity of Mono-, Di-, and Tricaffeoylquinic Acid Derivatives Isolated from Sweetpotato (Ipomoea batatas L.) Leaf
TLDR
A comparison of the activities and structures of these compounds suggested that the number of caffeoyl groups bound to quinic acid played a role in the antimutagenicity of the caffeineoylquinic acid derivatives. Expand
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