基本信息
-
异构化乳糖液
-
4618-18-2
-
乳酮糖；乳果糖
-
C12H22O11
-
342.30
-
D-Fructose, 4-O-b-D-galactopyranosyl-
-
225-027-7
-
1.32 g/cm3
-
Fructose,4-O-b-D-galactopyranosyl-, D- (8CI);Lactulose (6CI,7CI); 4-O-b-D-Galactopyranosyl-D-fructose; Bifiteral; Cephulac; D-Lactulose;Duphalac; Farlac; Generlac; Isolactose; Lactuflor; Lael; Laevilac; Laevolac;Laktulak; Laktusan; Lazet; MLC 97; MLS 50; Milk Oligosaccharide MLP 95;Normase; Vetalakt; Well-me
-
365.4oC
-
~169°C (dec.)
-
680.5oC at 760 mmHg
-
详细信息
主要成份：为乳果糖。
化学名称：4-O-β-D-吡喃半乳糖基-D-果糖。
性状：白色结晶性粉末
作用：食品甜味剂，用作间接的营养增补剂。按我国GB 2760-86规定，可添加于鲜乳、饮料中。该品是人体肠内益菌双歧杆菌的增繁殖因子，具有帮助消化和吸收蛋白质、乳糖，产生B族维生素等作用。
适应症
便秘：调节结肠的生理节律。
肝性脑病（PSE）：用于治疗和预防肝昏迷或昏迷前状态。
CAS号：4618-18-2
分子式 C12H22O11分子量 342.30
质量标准??外观Appearance????????????????????????? 白色至类白色结晶粉末纯度Purity （以干基计）???????????????? >99.0% (HPLC)?水分Water?????????????????????????????? <3 %pH????????????????????????????????????? 4 to 6.5 (10% 水溶液)
重金属Heavy metals (as Pb)????????????? <10 ppm硫酸盐灰分Sulfated ash????????????????? <0.2 % (1.5 g)
铅Lead ≤ 0.5 ppm
比旋度Specific optical rotation???????? -45° to -49° (20°C, 589 nm) (c=5, 水)
密度Density (20°C)???????????????????? 1.3 - 1.34 g/ml比旋光度Specific optical rotation?????? -17° to -25° (20°C, 589 nm) (neat)痕量分析Trace analysis ：? 铅Pb????????????????????????????????? < 0.5 ppm? 硼B?????????????????????????????????? < 5 ppm? 亚硫酸根SO3?????????????????????????? < 30 ppm乳糖lactose:??????????????????????????? < 10.0 wt%半乳糖galactose:??????????????????????? < 15.0 wt%果糖fructose:?????????????????????????? < 1.0 wt%表半乳糖epilactose:???????????????????? < 10.0 wt%塔格糖tagatose:???????????????????????? < 4.0 wt%
