食品添加剂(单品)
γ-环糊精
2019-07-10 10:50  浏览:288
γ-环糊精

γ-环糊精,是一种高分子化工产品。
中文名
γ-环糊精
英文名
gamma-Cyclodextrin
化学式
C48H80O40
分子量
1297.1248
CAS登录号
17465-86-0
密    度
1.624g/cm3
纯    度
>98.0%(LC)
基本信息
中文名称:γ-环糊精
英文名称:gamma-Cyclodextrin
英文别名:gamma-Schardinger dextrin; -Cyclodextrin; CYCLOOCTAAMYLOSE; 5,10,15,20,25,30,35,40-octakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34,37,39-hexadecaoxanonacyclo[36.2.2.2~3,6~.2~8,11~.2~13,16~.2~18,21~.2~23,26~.2~28,31~.2~33,36~]hexapentacontane-41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56-hexadecol (non-preferred name); 1,2,3,6-tetra-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-beta-D-glucopyranosyl)-alpha-D-glucopyranose; (1S,3R,5R,6S,8R,10R,11S,13R,15R,16S,18R,20R,21S,23R,25R,26S,28R,30R,31S,33R,35R,36S,38R,40R,41R,42R,43R,44R,45R,46R,47R,48R,49R,50R,51R,52R,53R,54R,55R,56R)-5,10,15,20,25,30,35,40-octakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34,37,39-hexadecaoxanonacyclo[36.2.2.2~3,6~.2~8,11~.2~13,16~.2~18,21~.2~23,26~.2~28,31~.2~33,36~]hexapentacontane-41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56-hexadecol (non-preferred name)
CAS号:17465-86-0
EINECS号:241-482-4
分子式:C48H80O40
分子量:1297.1248
MDL号:MFCD00009595
纯度:>98.0%(LC)
密度:1.624g/cm3
熔点:267℃
应用
γ-环糊精具有比b-环糊精更大的空腔,所以空腔可包合的客体分子范围更广;更好的水溶性,室温25℃时γ-环糊精溶解度为25.6g/100ml,而α-环糊精溶解度为12.7g/100ml水、b-环糊精溶解度则只有1.88g/100ml水。应用前景比b-环糊精更为广阔,但目前由于生产规模较小,所以价格较高,限制了应用的推广。 
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