نتایج جستجو برای: arbutin
تعداد نتایج: 341 فیلتر نتایج به سال:
The total synthesis of two natural phenolglycosides of the family Salicaceae, namely: populoside and 2-(β-d-glucopyranosyloxy)-5-hydroxy benzyl (3-methoxy-4-hydroxy) cinnamoate and nine not found yet in plants acyl derivatives of phenoglycosides: 2-(β-d-glucopyranosyloxy)-benzylcinnamoate, 2-(β-d-glucopyranosyloxy)-benzyl (4-hydroxy) benzoate, 2-(β-d-glucopyranosyloxy)-benzyl (3-methoxy-4-hydro...
Localization studies indicate that barley (Hordeum vulgare) sucrose transporter HvSUT1 functions in sucrose uptake into seeds during grain filling. To further understand the physiological function of HvSUT1, we have expressed the HvSUT1 cDNA in Xenopus laevis oocytes and analyzed the transport activity by two-electrode voltage clamping. Consistent with a H(+)-coupled transport mechanism, sucros...
Glycosides were screened for their lowering effect on the postprandial blood glucose rise in vivo. The effect of phlorizin and other phenolic glycosides on the postprandial blood glucose response to glucose ingestion was evaluated in Std ddY mice. When phlorizin was simultaneously added, the peak blood glucose level was significantly decreased by 51% (p < 0.01) compared to vehicles following gl...
cell cultures of varthemia persica, peganum harmala and pycnocycla spinosa have been studied to evaluate their abilities to bioconvert exogenous hydroquinone. arbutin is an important substance that has several pharmaceutical applications; therefore, we have established v. persica and p. spinosa cultures which seem to be able to metabolize hydroquinone. callus cultures of v. persica were establi...
Plant-derived phenylpropanoid compounds (4-ethyl-2-methoxyphenol, 2,6-dimethoxyphenol, 2,3-dimethoxyphenol, 3,4-dimethoxyphenol, 3,5-dimethoxyphenol, 3,4-dihydroxycinnamic acid, 4-hydroxy-3-methoxycinnamic acid, and 3-hydroxy-4-methoxycinnamic acid) were glycosidated to form glycoside compounds. We evaluated the effects of these compounds on the inhibition of tyrosinase and melanin synthesis an...
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