L-ascorbyl palmitate in the methanol extract is hydrolyzed under acid condition, and 2, 6-dichlorophenol indophenol sodium solution is titrated with the hydrolysate.
用甲醇对油样中l -抗坏血酸棕榈酸酯进行提取，对提取物在酸性条件下水解，用水解产物对2,6 -二氯酚靛酚钠溶液进行滴定。
Ingredients: France isotonic hot spring water, hyaluronic acid, white mulberry extract, cucumber extract, isopropyl palmitate, isopropyl myristate, glycerol etc.
成分：法国等渗温泉水、透明质酸、白桑葚提取物、小黄瓜萃取精华、棕榈酸异丙酯、肉豆蔻酸异丙酯、甘油等。
Ingredients: France isotonic hot spring water, hyaluronic acid, white mulberry extract, cucumber extract, isopropyl palmitate, isopropyl myristate, glycerol etc.
成分：法国等渗温泉水、透明质酸、白桑葚提取物、小黄瓜萃取精华、棕榈酸异丙酯、肉豆蔻酸异丙酯、甘油等。
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