Identification and determination of Phenolic compounds in Brassica L. (Brassicaceae) species grow in Iraq
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Abstract
The present search content identification Phenolic compounds and determination type of compound, concentration and its percentage by high performance liquid chromatochraphy (HPLC) and compared chemical compounds for species that identified seven phenolic compounds for nine species Brassica L.(Brassicaceae) collected from mid and north of Iraq, five species wild B.campestris, B.deflexa, B. juncea, B. nigra and B. tournifortii and four species cultivated B.olearaceae var. botrytis, B.olearaceae var. capitata, B.olearaceae var. gongyloides and B.rapa and determined concentration and percentage by HPLC. These compound are Cinnamic acid, ferulic acid, isorhamentin, kaempferol, P-coumaric acid, quercetein and Sinapic acid and variance compounds between species in study .
The study showed that the phenolic compound (Cinnamic acid) was the high concentrate 121.86 mg/ ml in the species B.tournifortii and the percentage were 11.89% and low concentrate 10.32 mg ml in the species B.olearaceae var. gongyloides and the percentage were 3.71 % while the p-coumaric acid was the highest concentrate 186.41 mg/ ml in the species B.juncea and the proportions were 15.35% and the lowest concentrate 6.25 mg/ ml and the percentage were 2.24 % in B.olearaceae var. gongyloides, which shows the existence of variety in the phenolic content between the species under study.
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