| 1. | Study of isolation and purification of lactase from aspergillus niger d 226乳糖酶分离纯化研究 |
| 2. | Study of the relationship between urticaria diarrhea and lactase 药物性腹泻病与乳糖酶的关系研究 |
| 3. | 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 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | At present , most of lactases used in industry production come from kluyveromyces , aspergillus niger and aspergillus oryzae 目前,工业生产中使用的乳糖酶主要来源于乳酸克鲁维斯酵母菌、黑曲霉和米曲霉。 |
| 7. | Lactose is not able to bear or endure the person intestinal of disease breeds carbohydrase is not worth , cannot digest the lactose in dairy produce adequately 有乳糖不耐症的人肠内的乳糖酶不足,无法充分消化乳制品中的乳糖。 |
| 8. | Cloning and expression in e . coli of lactase . specific primers were designed according to the sequence of the beta - galactosidase gene from kluyveromyces lactis . klac gene was amplified by pcr and subsequently cloned 乳糖酶基因的克隆及原核表达以乳酸克鲁维斯酵母( kluyveromyceslactis )菌株k538的基因组dna为模板,设计引物,利用pcr获得乳糖酶基因klac ,经dna测序验证,得到克隆t1549 。 |
| 9. | The lactase gene from kluyveromyces lactis was researched in the thesis . the cloned gene was expressed in e . coli and the properties of lactase was determinated . in addition , we studied the expression of lactase gene in the methylotrophic yeast pichia pastoris 本论文从一株乳酸克鲁维斯酵母菌中克隆获得乳糖酶基因,在大肠杆菌中进行表达并测定其酶学性质,同时也对利用巴斯德毕赤酵母( pichiapastoris )系统表达该基因进行了探索。 |
| 10. | In this paper , thirty strains of yeast were isolated from nineteen samples of fermented milk ( ten koumiss samples , three fermented goat milk samples , four fermented milk samples , two shubat samples ) which were collected from the west - centre region of inner mongolia from which we aimed to select the yeast with high vitalistic ? galactosidase . according to the results of dedermination that were the metabolism rate and ratio vitality of ? galactosidase , stk - 1 - 1 has been selected . the result of identification showed that stk - 1 - 1 belonged to kluyveromyces marxianus of kluyveromyces 本研究主要以内蒙古中西部地区牧区采集的19个发酵乳样品( 10份酸马奶、 3份发酵山羊奶、 4份酸牛奶和2份发酵驼奶)为研究对象,分离获得30株酵母菌,从中筛选乳糖酶高活力酵母菌株。根据乳糖代谢率和乳糖酶比活力的测定结果,选出菌株stk - 1 - 1为优胜菌株。经鉴定,该菌株属克鲁维酵母属( kluyveromyces )的马克斯克鲁维酵母( kluyveromycesmarxianus ) 。 |