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一看色泽 :一般高品位油色浅 ,低品位色深 (香油除外 ) ,油的色泽深浅也因其品种不同而使同品位油色略有差异。二看透明度 :一般高品位油透明度好 ,无混浊。三看有无沉淀物 :高品位油无沉淀和悬浮物 ,粘度小。四看有无分层现象 :若有分层则很可能是掺假的混杂油(芝麻油掺假较多
A look at the color: the general high-grade oil color light, low color depth (except sesame oil), the color depth of oil because of its different varieties with the same grade oil color slightly different. Second, see the transparency: the general high grade oil transparency, no turbidity. Third, see whether there is sediment: high-grade oil without precipitation and suspended solids, low viscosity. Fourth, there is no stratification: if stratified is likely to be adulterated mixed oil (sesame oil adulterated more