Reconstructing the chemical diversity of labdane-type diterpene biosynthesis in yeast
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A new labdane diterpene from Vitex negundo.
CONTEXT Vitex negundo Linn. (Verbenaceae) seeds are pepper substitute and occasionally used as a condiment for edible purposes. The seeds also find use for analgesia, sedation, rheumatism and joint inflammation in folk medicine. OBJECTIVE To isolate and characterize bioactive constituents from V. negundo seeds. MATERIALS AND METHODS The ethanol extract of V. negundo seeds was subjected to r...
متن کاملmesuring the staff technology readiness, the case of a multi national chemical company operating in iran
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15 صفحه اولA new labdane diterpene from the flowers of Solidago canadensis.
A new labdane diterpene, 9alpha,16xi-dihydroxy-6-oxo-7,13-labdadien-15,16-olide (solicanolide, 1) and six known compounds identified as quercetin (2), 3-O-caffeoylquinic acid (3, neochlorogenic acid), 5-O-caffeoylquinic acid (4, chlorogenic acid), 4,5-di-O-caffeoylquinic acid (5), 3,5-di-O-caffeoylquinic acid (6) and 3,4-di-O-caffeoylquinic acid (7) were isolated from the flowers of Solidago ca...
متن کاملHydroxylation of the Labdane Diterpene Cupressic Acid by Fusarium graminearum
Culturas do fungo Fusarium graminearum sob agitação na presença do diterpeno ácido cupréssico [ácido 13-hidróxi-(17),14-labdadien-19-óico], obtido de Araucarea angustifolia elegans, produziram quatro derivados diterpênicos hidroxilados os quais foram identificados por métodos químicos e físicos como sendo os ácidos 3 ,13-diidróxi-8(17),14-labdadien-19-óico, 7 ,13-diidróxi-8(17),14labdadien-19-ó...
متن کاملLabdane-type diterpene dialdehyde, pungent principle of myoga, Zingiber mioga Roscoe.
The pungent principle of myoga (Zingiber mioga Roscoe) was identified as (E)-8beta(17)-epoxylabd-12-ene-15,16-dial (miogadial) on the basis of its physical and spectroscopic properties (MS, NMR, IR, and UV). Galanal A and B, isolated as well as miogadial, had no hot taste. Reduced miogadial also was tasteless. The pungency of miogadial depended on the presence of alphabeta-unsaturated-1,4-diald...
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ژورنال
عنوان ژورنال: Metabolic Engineering
سال: 2015
ISSN: 1096-7176
DOI: 10.1016/j.ymben.2014.12.001