【摘要】 在国内茶油的脱色工艺一般为传统的白土脱色,所得油色泽一般为黄色,仅符合一般食用油的要求而难以满足化妆品用油的要求,而且白土脱色工艺中产生的废弃物、废水对环境污染大。本文针对这一情况,采用了一种新型的方法即硅胶柱层析法脱除茶油中的色素,得到了清亮透明无色的茶油并将茶油中油酸的含量提高到了83.63%。更多还原

【Abstract】 The traditional bleaching method,namely using active clay,was used in the bleaching technique at home.But the product was yellow,high acid value and only used as a kind of edible oil not as a kind of cosmetic oil.In addition,using traditional bleaching technique there were so many wastes and environmental pollutants.According to this situation,a new method namely used silica gem columniation was researched,the clear and colorless tea seed oil was attained and the content of oleic acid was up to 83.36%.更多还原