Pharmacological Studies on Leaf of Arctostaphylos uva-ursi (L.) SPRENG. IV. : Effect of 50% Methanolic Extract from Arctostaphylos uva-ursi (L.) SPRING. (Bearberry Leaf) on Melanin Synthesis
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چکیده
منابع مشابه
Comparative study of the leaf volatiles of Arctostaphylos uva-ursi (L.) Spreng. and Vaccinium vitis-idaea L. (Ericaceae).
The first GC and GC/MS analyses of the essential oils hydrodistilled from dry leaves of Arctostaphylos uva-ursi and Vaccinium vitis-idaea enabled the identification of 338 components in total (90.4 and 91.7% of the total GC peak areas, respectively). Terpenoids, fatty acids, fatty acid- and carotenoid derived compounds were predominant in the two samples. Both oils were characterized by high re...
متن کاملSE-HPLC Separation of Myosin Complex with Tannins of Bearberry (Arctostaphylos uva-ursi L. Sprengel) Leaves – A Short Report
Amarowicz R., Pegg R.B., Kosińska A. (2009): SE-HPLC separation of myosin complex with tannins from bearberries (Arctostaphylos uva-ursi L. Sprengel) leaves – a short communication. Czech J. Food Sci., 27: 386–391. Phenolic compounds were extracted from bearberry (Arctostaphylos uva-ursi L. Sprengel) leaves into 95% (v/v) ethanol. The tannin constituents were separated from the crude extract us...
متن کاملIn vitro EFFICACY OF EXTRACTS OF Arctostaphylos uva-ursi L. ON CLINICAL ISOLATED Escherichia coli AND Enterococcus faecalis STRAINS
Antibacterial activity, total phenolic content and flavonoid concentrations of extracts from the leaves of Arctostaphylos uva-ursi L. were performed. Tested bacterial strains are 20 clinical isolates, including different strains of Escherichia coli and Enterococcus faecalis. The total phenolic content was determined using Folin-Ciocalteu reagent. The concentration of flavonoids in extracts were...
متن کاملStudy of the Properties of Bearberry Leaf Extract as a Natural Antioxidant in Model Foods
The common bearberry (Arctostaphylos uva-ursi L. Sprengel) is a ubiquitous procumbent evergreen shrub located throughout North America, Asia, and Europe. The fruits are almost tasteless but the plant contains a high concentration of active ingredients. The antioxidant activity of bearberry leaf extract in the 2,2'-azino-bis-3-ethylbenzothiazoline-6-sulphonic acid (ABTS) radical cation assay was...
متن کاملChemical Information Review Document for Arbutin [CAS No. 497-76-7] and Extracts from Arctostaphylos uva-ursi
Arbutin is found in the dried leaves of a number of different plant species including bearberry (Arctostaphylos uva-ursi). The leaves and leaf extracts from uva ursi are used in non-prescription medicinal products mainly to treat urinary tract infection, cystitis, kidney stones, and as a diuretic. The active component, arbutin, is converted to hydroquinone (HQ) which has antimicrobial, astringe...
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ژورنال
عنوان ژورنال: YAKUGAKU ZASSHI
سال: 1992
ISSN: 0031-6903,1347-5231
DOI: 10.1248/yakushi1947.112.4_276