Study of isolation and purification of lactase from aspergillus niger d 226乳糖酶分离纯化研究
Study of the relationship between urticaria diarrhea and lactase 药物性腹泻病与乳糖酶的关系研究
The influence of ca2 fe2 mg2 zn2 na and k on lactase activity in sucking piglets 对哺乳仔猪乳糖酶活力的影响
Many asian adults are lactose intolerant , as a result of a lack of the digestive enzyme lactase in the gut 许多亚洲成年人有乳糖不耐受症,因为他们消化道中缺乏消化乳糖的乳糖酶。
The former was 0 . 475u / ml , and the later was 0 . 134u / ml . 2 . determination of the properties of lactase expressed in e . coli 原核表达乳糖酶的酶学性质测定制备原核表达乳糖酶的原酶液。