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四川宜宾中药厂问:防腐剂尼泊金乙酯按理应无臭、无味,但我厂840801批号之“银花露”使用该口0.05%为防腐剂,结果出现了辣味。是否其与银花发生化学反应?该如何解决? 答:尼泊金乙酯为白色结晶性粉未,资料及实验表明,几乎无臭。无味,口(口尝)并无明显辣味。而5%或10%本品乙醇液则有显著辣味,系乙醇所致。“金银花露”为金银花的无色透明的水蒸汽蒸馏
Sichuan Yibin Traditional Chinese Medicine Factory: The preservative Nipagin ethyl ester should be odorless and odorless, but the “Silver Flower Dew” batch number of 840801 of our factory uses 0.05% of the mouth as a preservative, resulting in a spicy taste. Does it have a chemical reaction with silver flower? How to solve it? A: Nipagin ethyl ester is white crystalline powder, data and experiments show that almost odorless. Odorless, mouth (mouth taste) is not obviously spicy. The 5% or 10% ethanol solution has a significant spicy taste, which is caused by ethanol. “Colorless transparent steam distillation of honeysuckle” for honeysuckle