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KMID : 0368420070500060632
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Journal of Plant Biology
2007 Volume.50 No. 6 p.632 ~ p.632
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Chemical Constituents of SomeHypericum Species Growing in Turkey
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Clrak Cuneyt
Radusiene Jolita
Janulis Valdimaras
Ivanauskas Liudas
Arslan Burhan
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Abstract
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The present study was conducted to determine the content of pharmacologically important constituents hypericin, pseudohypericin, chlorogenic acid, rutin, hyperoside, apigenin-7-O-glucoside, quercitrin, quercetin and vitexin in eightHypericum species namely,H. aviculariifolium Jaup. and Spach subsp.depilatum (Freyn and Bornm.) Robson var.depilatum (endemic),H. lydium Boiss.,H. montbretii Spach,H. orientale L,H. origanifolium Willd,H. perfoliatum L,H. perforatum L. andH. pruinatum Boiss. and Bal. growing in different locations of Turkey. Wild growing plants were harvested at flowering and after dried subsequently assayed for the constituents by HPLC method. Hyperoside, quercitrin and pseudohypericin were found in all species. Hypericin, quercetin and chlorogenic acid were also detected in all species with the exceptions ofH. orientale for hypericin,H. montbretii for quercetin andH. lydium for chlorogenic acid. Apigenin-7-O-glucoside accumulation was observed in all examined species at various levels, except forH. orientale andH. origanifolium. Rutin was detected inH. aviculariifolium,H. lydium, H. orientale, H. perfoliatum andH. perforatum. On the contrary of the other species, vitexin was found in onlyH. motbretii. The presence of flavonoid vitexin in the genusHypericum was reported for the first time.
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KEYWORD
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chlorogenic acid, flavonoids, HPLC, hypericin, pseudohypericin, turkishHypericum
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