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Title

STUDY OFF CHEMICALL COMPONENTTS AND BIIOACTTIIVE PROPERTTIIES OFF KNOTT WOOD EXTTRACTTIIVES FFROM FFOUR ENDEMIIC SPECIIES OFF HYRCANIIAN FFORESTTS

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 Start Page 53 | End Page 66

Abstract

 Persian wingnut, Persian honey locust, Persian ironwood and Persian alder are of four endemic and important species of Hyrcanian forests that the presence of bioactive components in them are initially been proven; however no comprehensive study has yet been done about their CHEMICAL COMPONENTS. Furthermore, bioactive PHENOLICS are more in knot wood EXTRACTIVES than other parts of a tree. Hence, in this study, the amounts of EXTRACTIVES, carbohydrates, lignin, as well as ANTIOXIDANT PROPERTIES of ace tonic EXTRACTIVES were calculated and the EXTRACTIVES components were identified via Gas Chromatography-Mass Spectrometry. The results demonstrated that the knot wood of Persian wingnut contains the most amounts of EXTRACTIVES, carbohydrates and PHENOLICS and showed the highest ability against Diphenylpicrylhydrazyl radicals, while the knot wood of Persian honey locust contains the most amounts of lignin and capability against chelating of iron ion. All of these four species presented superior scavenging capability against radicals compared with the synthetic antioxidant and butylated hydroxytoluene. Besides, phenolic and non-phenolic materials with different and interesting ANTIOXIDANT PROPERTIES were identified.

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