Do Quang Huy, Le Nhu Thanh

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Abstract

Some of vegetable oils were used  to  identify the Polycyclic Aromatic
Hydrocarbons (PAHs). Contamination of PAHs in vegetable oils was due to
technological processes or environmental sources. PAHs were detected in 3
vegetable oils, including raw coconut oil from Philippine, soya bean and olive-
rapeseed oil from Vietnam. Concentration of PAHs was found in coconut oil,
the maximum concentration was 22.048 |ig/kg. PAHs’ concentration in soya
bean, olive-raspeseed oils was low, it was reduced during refining.
Benzo(a)pyrene wasn’t detected in all samples, the maximum concentration of
other PAHs was 10.640 ng/kg. PAHs concentration in raw vegetable oils were
higher than refined oils.

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