论文部分内容阅读
辨色法:纯芝麻油呈淡红色或红中带黄。若掺菜籽油,呈深黄色,掺棉籽油呈黑红色。 水试法:用筷子蘸一滴芝麻油滴在平静的水面上,纯芝麻油会呈现出无色透明的薄薄的大油花,而掺了假的芝麻油则出现较厚较小的油花。 透视法:在阳光下看纯芝麻油,清晰透明纯净。若掺假就会模糊混浊,还易沉淀。 手擦法:蘸一滴麻油于手心上,用双手手掌快速摩擦至发热,尽快嗅手上芝麻油气味,若香味很淡并杂有
Color method: Pure sesame oil is reddish or yellowish red. If mixed with rapeseed oil, was dark yellow, cottonseed oil was black-red. Water test: chopsticks dip a drop of sesame oil drops on a calm water, pure sesame oil will show a colorless, transparent, thin large oil, and mixed with fake sesame oil thicker smaller oil flowers. Perspective: pure sesame oil in the sun, clear and transparent. If the adulteration will be cloudy and cloudy, but also easy to sediment. Hand rub method: dip a drop of sesame oil in the palm of your hand, rub quickly with both hands and hands to fever, smelling sesame oil odor as soon as possible, if the fragrance is very light and mixed