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Scientia Pharmaceutica is published by MDPI from Volume 84 Issue 3 (2016). Articles in this Issue were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence. Articles are hosted by MDPI on as a courtesy and upon agreement with Austrian Pharmaceutical Society (Österreichische Pharmazeutische Gesellschaft, ÖPhG).
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Sci. Pharm. 2006, 74(4), 189-201;

Constituents from the leaves of Crataegus davisii Browicz

Istanbul University, Faculty of Pharmacy, Department of Pharmacognosy, Beyazıt, 34116 Istanbul-Turkey
Hacettepe University, Faculty of Science, Department of Biology, Beytepe, 06532 Ankara-Turkey
Author to whom correspondence should be addressed.
Received: 16 September 2006 / Accepted: 21 October 2006 / Published: 30 December 2006
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From the leaves of Crataegus davisii five flavonoids ( hyperoside, vitexin 2’’- rhamnoside, vitexin 4’-rhamnoside, rutin, quercetin ) together with chlorogenic acid and crataequinone B were isolated. The flavonoid content of the leaves was determined according to DAB 10 and found as 1.09 %. The IC50 value was found as 1.57 mg/ml at antioxidant activity determination with DPPH method.
Keywords: Crataegus davisii; Rosaceae; Flavonoids; Antioxidant activity Crataegus davisii; Rosaceae; Flavonoids; Antioxidant activity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Sözer, U.; Dönmez, A.A.; Meriçli, A.H. Constituents from the leaves of Crataegus davisii Browicz. Sci. Pharm. 2006, 74, 189-201.

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