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- 详细信息
- 文献和实验
- 技术资料
- 保质期:
见瓶身lot
- 库存:
990
- 供应商:
亦高生物
- CAS号:
57-50-1
- 规格:
PHR1001-1G
一般描述
Sucrose is a disaccharide and a naturally occurring carbohydrate found in plants. It is available as a component of food and is widely used as an additive in food, confectionery, beverages and therapeutically in sugar pastes commonly used to promote wound healing. Sucrose is widely used in oral pharmaceutical formulations. In the powdered form, it serves as a dry binder or as a bulking agent and sweetener in chewable tablets and lozenges.[1][2] Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards. 应用These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.
生化/生理作用
A nonreducing disaccharide composed of GLUCOSE and FRUCTOSE linked via their anomeric carbons. It is obtained commercially from SUGARCANE, sugar beet (BETA VULGARIS), and other plants and used extensively as a food and a sweetener.分析说明
These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.
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文献和实验蔗糖 saccharose 亦称甜菜糖、α- D- 葡萄吡喃糖 - β -D- 果糖呋喃糖苷、或β -D- 果糖呋喃糖 - α -D- 葡糖吡喃糖苷。在具有光合成能力的所有植物中均可见到。工业上主要是用甘蔗、甜菜来生产。可由酵母进行非还原性发酵。在稀酸或蔗糖酶的作用下水解时可变成 D- 葡萄糖和 D- 果糖的等量混合物(比旋光度 [ α ] D = - 20 °),也就是说变成了转化糖。因为旋光性以右旋逆转为左旋,所以将此反应称为转化。蔗糖在肠粘膜细胞中的麦芽糖酶Ⅲ或Ⅳ的作用
砂糖是一种应用广泛的甜味料。含砂糖的植物不少,用作制糖原料的主要是甘蔗和甜菜。甘蔗产于热带、亚热带,其茎中含糖量为10~20%。甜菜在寒冷地区栽培,其根中含糖量亦为10~20%。世界上砂糖的产量约65%来自甘蔗,只有约35%取自甜菜,所以砂糖也称蔗糖。 此外,在加拿大将野生的、含有糖的枫树液(含糖量约2%),浓缩成糖汁制成枫树糖,用以制作烤饼。而在热带、温带地区,有将含有糖的椰子树液(含糖量约10%)浓缩制成椰子糖,也有将含有糖的高粱茎(含糖量为10~18%)作为原料,制成
蔗糖酶 sucrase 将蔗糖水解成 D-果糖和 D-葡萄糖的β-D-果糖苷酶的一种,又称为转化酶(invertase)或蔗糖酶(saccharase) EC 3.2.1.26。除广泛分布于微生物、植物外,类似的活性也在动物的消化液中发现,从链孢霉提纯获得的酶除作用蔗糖外,还可作用具有β-呋喃果糖苷键的物质。例如棉子糖、水苏糖等的寡糖,尤其也能同样地作用具有作为糖苷配基的甲基等的烷基、苯基等丙烯基的配糖体。一般微生物的蔗糖酶也催化从蔗糖将β-果糖苷基转移到其他糖、醇、酚上的反应
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