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Allium kharputense Freyn Et. Sint. ( A. kharputense ) was analyzed for total polyphenol content, antioxidant activity, chemical composition and mineral and trace element composition. Total polyphenol content was determined as 257 mg GA 100 g -1 dried weight by using Folin-Ciocalteu method. DPPH test was performed for antioxidant activity analysis. IC 50 values of gallic acid and Trolox were determined as 0.02642 mg mL -1 and 0.225 mg mL -1 , respectively. IC 50 value of A. kharputense was found as 2.186 mg mL -1 . DPPH free radical-scavenging activity of extract from 1 mg of A. kharputense was determined 0.01207 mg GAE and 0.1029 mg TrE, respectively. GC-MS was used to determine chemical composition. Dimethyl trisulfide, methyl (methylthio)methyl disulfide, 2-Pyrrolidinone, 4-vinylphenol, 2-Phenylpyrrole , norharmane , linoleic acid, palmitic acid, γ-Tocopherol and α-Tocopherol are some of 40 compounds which were detected in methanolic extracts of A. Kharputense. 20 Mineral and trace elements were determined along with their levels by ICP-MS using microwave digestion procedure for preparing acid extracts.

journal of the turkish chemical society, section a: chemistry

Evaluation of Total Polyphenol Content, Antioxidant Activity and Chemical Composition of Methanolic Extract from Allium Kharputense Freyn et. Sint. and Determination of Mineral and Trace Elements