نتایج جستجو برای: ionone
تعداد نتایج: 330 فیلتر نتایج به سال:
12-O-retinoylphorbol-13-acetate (RPA), an incomplete tumor promoter of the phorbol ester type and protein kinase C (PKC) activator, consists of two characteristic structural elements: the phorbol body and the retinoyl ester chain. Therefore, possible binding of the incomplete tumor promoter RPA to the human transport protein retinol-binding-protein (RBP) has been examined by molecular modeling ...
Engineering Saccharomyces cerevisiae for the Overproduction of β-Ionone and Its Precursor β-Carotene
Combined withering and shaking processes are key steps in the formation of characteristic floral fruity aromas black teas. However, effect sequencing on volatile compounds aroma tea has not been evaluated to date. This study used headspace solid-phase microextraction gas chromatography-tandem mass spectrometry detect teas after withering-shaking shaking-withering processing. Five main different...
The 11-cis retinal chromophore is tightly packed within the interior of the visual receptor rhodopsin and isomerizes to the all-trans configuration following absorption of light. The mechanism by which this isomerization event drives the outward rotation of transmembrane helix H6, a hallmark of activated G protein-coupled receptors, is not well established. To address this question, we use soli...
In a previous publication (l), we reported that when 1 mg of a pure concentrate of anhydrovitamin A2 (4’-ethoxy anhydrovitamin Ai, E:%m at 370 rnp = 2248 in light petroleum ether), and 0.5 mg of a-tocopherol are fed daily to vitamin A-deficient rats, growth is resumed, xerophthalmic lesions are cured, and a new compound named rehydrovitamin A* showing absorption maxima at 330,348, and 365 rnp c...
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