当前,国内外使用的防腐剂多为化学合成品,其毒副作用或多或少,不可避免,随着经济的高速发展,科学文化知识的普及,人们生活水准不断提高,回归大自然的呼声愈来愈高,食品掭加剂种因—Ⅰ型就是从有抗菌活性的天然植物厚朴、大黄中提取、研制的一种纯天然防腐剂,具有广谱抑菌、杀菌作用,拟用于食品、饮料、医药、化妆品中,为了解其使用安全性,我站对该品进行了安全性毒理学鉴定,首先做了两个阶段毒理学试验。 At present, most of the preservatives used at home and abroad are chemical syntheses, and their toxic and side effects are more or less inevitable. With the rapid economic development, the popularization of scientific and cultural knowledge, the continuous improvement of living standard and the return to nature To higher, food additives 剂 type-I is from the antibacterial activity of Magnolia officinalis, rhubarb extract, developed a natural preservative, with broad-spectrum antibacterial, bactericidal effect, intended for food , Drinks, medicine, cosmetics, in order to understand the safety of its use, I stand on the safety of the product identified toxicology, first conducted a two-stage toxicology test.