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Cassia cinnamon as a source of coumarin in cinnamon-flavored food and food supplements in the United States.
Coumarin as an additive or as a constituent of tonka beans or tonka extracts is banned from food in the United States due to its potentially adverse side effects. However, coumarin in food from otherExpand
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A Functional Genomics Investigation of Allelochemical Biosynthesis in Sorghum bicolor Root Hairs*
Sorghum is considered to be one of the more allelopathic crop species, producing phytotoxins such as the potent benzoquinone sorgoleoneExpand
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In vitro antileishmanial, antiplasmodial and cytotoxic activities of phenolics and triterpenoids from Baccharis dracunculifolia D. C. (Asteraceae).
Baccharis dracunculifolia (Asteraceae), the most important plant source of the Brazilian green propolis (GPE), displayed in vitro activity against Leishmania donovani, with an IC(50) value of 45Expand
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The phytotoxic lichen metabolite, usnic acid, is a potent inhibitor of plant p‐hydroxyphenylpyruvate dioxygenase
The lichen secondary metabolite usnic acid exists as a (−) and a (+) enantiomer, indicating a α or β projection of the methyl group at position 9b, respectively. (−)‐Usnic caused a dose‐dependentExpand
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Antiparasitic Activities and Toxicities of Individual Enantiomers of the 8-Aminoquinoline 8-[(4-Amino-1-Methylbutyl)Amino]-6-Methoxy-4-Methyl-5-[3,4-Dichlorophenoxy]Quinoline Succinate
ABSTRACT 8-Aminoquinolines are an important class of antiparasitic agents, with broad utility and excellent efficacy, but also limitations due to hematological toxicities, primarily methemoglobinemiaExpand
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Quantitation of Aryltetralin Lignans in Plant Parts and among Different Populations of Podophyllum peltatum by Reversed-Phase High-Performance Liquid Chromatography
A simple procedure for the extraction of aryltetralin lignans from Podophyllum peltatum with addition of an internal standard (acetylpodophyllotoxin) was developed. Plant material was separated intoExpand
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Biologically active tetranorditerpenoids from the fungus Sclerotinia homoeocarpa causal agent of dollar spot in turfgrass.
Nine new tetranorditerpenoid dilactones (2-10), together with two previously reported norditerpenoids dilactones (1, 11), and two known putative biosynthetic intermediates, oidiolactone-E (12) andExpand
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Enantioselective metabolism of primaquine by human CYP2D6
BackgroundPrimaquine, currently the only approved drug for the treatment and radical cure of Plasmodium vivax malaria, is still used as a racemic mixture. Clinical use of primaquine has been limitedExpand
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13C NMR Spectra of some D:A-friedo-oleananes
Abstract The 13 C NMR signals of D:A-friedo-olean-7-one, putranjivadione, D:A-friedo-olean-22-one, D:A-friedo-olean-3,22-dione, and Salacia triterpene R have been assigned using off-resonanceExpand
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Novel Derivatives of 9,10-Anthraquinone Are Selective Algicides against the Musty-Odor Cyanobacterium Oscillatoria perornata
ABSTRACT Musty “off-flavor” in pond-cultured channel catfish (Ictalurus punctatus) costs the catfish production industry in the United States at least $30 million annually. The cyanobacteriumExpand
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