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Novel extracellular diterpenoids with biological activity from the cyanobacterium Nostoc commune.
Five novel extracellular metabolites with an unprecedented diterpenoid skeleton, 5-[(5-carboxy-2-hydroxy)benzyl]-11-hydroxymethyl-2,5,6,8a, 11-pentamethyldodecahydrocyclopentanaphthalene (1),Expand
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Microbial detoxification of mycotoxin deoxynivalenol
Deoxynivalenol (DON) is a trichothecene secondary metabolite produced by Fusarium species infecting cereal crops. As a mycotoxin, DON causes losses in livestock production and poses a health risk toExpand
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Isoterchebulin and 4,6-O-isoterchebuloyl-D-glucose, novel hydrolyzable tannins from Terminalia macroptera.
Two new hydrolyzable tannins, isoterchebulin (1) and 4,6-O-isoterchebuloyl-D-glucose (2), together with six known tannins, 3-8, were isolated from the bark of Terminalia macroptera. Their structuresExpand
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Two triterpene esters from Terminalia macroptera bark
Abstract Investigation of the bark from Terminalia macroptera led to the isolation of two novel esterified triterpenes, identified as 23-galloylarjunolic acid and its β- d -glucopyranosyl ester. InExpand
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Metabolism of 4-chlorophenol by Azotobacter sp. GP1: structure of the meta cleavage product of 4-chlorocatechol.
A mutant strain of Azotobacter sp. GP1 converted 4-chlorophenol to 4-chlorocatechol under cometabolic conditions. Under the same conditions the wild-type strain accumulated a yellow compound, whichExpand
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Antimicrobial activity of Artemisia douglasiana leaf essential oil.
Artemisia douglasiana leaf has been shown to be efficacious complementary herbal treatment for chronic bladder infection in a paraplegic youth. The leaf oil has been analyzed by GC-MS and the majorExpand
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Changes in the phytochemical composition and profile of raw, boiled, and roasted peanuts.
Peanuts are consumed mostly as processed products. Although the effect of processing on isoflavone composition of legumes has been extensively studied, there has been no such study on peanuts. TheExpand
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Guanylcobamide and hypoxanthylcobamide-Corrinoids formed by Desulfovibrio vulgaris
The corrinoids synthesized by the sulfate-reducing bacterium Desulfovibrio vulgaris were analyzed. The compounds found were guanylcobamide and hypoxanthylcobamide; structures were determined by massExpand
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Structure determination by nmr of azadirachtin and related compounds from azadirachta indica a. Juss (Meliaceae)
Abstract Two novel limonoids 3-deacetyl-3-cinnamoylazadirachtin (6) and 1-tigloyl-3-acetyl-11-methoxyazadirachtinin (8) have been isolated from Azadirachta indica extracts in addition to azadirachtinExpand
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Vanillic Acid 4-O-β-D-(6′-O-Galloyl) Glucopyranoside and Other Constituents from the Bark of Terminalia macroptera Guill. Et Perr
Abstract A new phenolic glucoside gallate, vanillic acid 4-O-β-D-(6′-O-galloyl) glucopyranoside (1) was isolated from the bark of Terminalia macroptera Guill.et Perr., together withExpand
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