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Autor:
Thanh Hai Phan Thi, To Quynh Cung Thi
Publikováno v:
Heavy metals and arsenic concentrations in water, agricultural soil, and rice in Ngan Son district, Bac Kan province, Vietnam. 1:21-28
Six types of oolong tea products from four different regions were investigated. Their volatilecomponents were obtained by Solid Phase Microextraction (SPME) method and analyzed by GC –MS. Results showed that hexanal (ranged from 1.08-1.52%), 6-meth