نتایج جستجو برای: smith hazel index
تعداد نتایج: 423289 فیلتر نتایج به سال:
Witch hazel ( Hammamelis virginiana) bark is a rich source of both condensed and hydrolizable oligomeric tannins. From a polyphenolic extract soluble in both ethyl acetate and water, we have generated fractions rich in pyrogallol-containing polyphenols (proanthocyanidins, gallotannins, and gallates). The mixtures were highly active as free radical scavengers against ABTS, DPPH (hydrogen donatio...
OBJECTIVE Topical administration of latanoprost sometimes induces gradual iris darkening. The present study was undertaken to determine if latanoprost can increase transcription of the gene for tyrosinase, an important enzyme in the biosynthesis of melanin. Results from brown, hazel, and blue irides were compared. METHODS Iris tissue was isolated from 30 pairs of postmortem human donor eyes, ...
Elicitation effect of silver nano particles (AgNPs) and triggering of defence system by production of hydrogen peroxide (H2O2) as a signaling molecule in the regulation of the activity of stress-related enzymes and production of Taxol was evaluated in suspension- cultured hazel cells (Corylus avellana L.). The cells were treated with different concentrations of AgNPs (0, 2.5, 5, and 10 ppm), in...
The authors gratefully acknowledge the contributions of Lisa Kahle, Information Management Services, Inc., for SAS® programming and data analysis; WenYen Juan, USDA Center for Nutrition Policy and Promotion (CNPP), for producing the figures and creating the data for the Whole Fruit component; Thea Palmer Zimmerman, Westat, Inc., for coding the exemplary menus; Meredith Morrissette, National Can...
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