Amylose, from Potato
Update:2015-1-1 4:49:23
Item: | Amylose, from Potato | ||
Synonym: | |||
CAS No.: | 9005-82-7 | Special Grade: | Type Ⅲ |
Formula: | M.W.: |
Order
Product No. | Size | Price | Brand |
A0512-250mg | 250mg | 180 | GBCBIO |
A0512-1g | 1g | 475 | GBCBIO |
A0512-1g | 1g | 644 | Sigma |
Introduction
Solvent Content (%).............................≤10 Blue &#118alue (%)...........................≤0.5 |
直链淀粉是D-葡萄糖基以a-(1,4)糖苷键连接的多糖链,分子中有200个左右葡萄糖基,分子量l~2×105,聚合度990,空间构象卷曲成螺旋形,每一回转为6个葡萄糖基。支链淀粉分子中除有a-(1,4)糖苷键的糖链外,还有a-(1,6)糖苷键连接的分支,分子中含300~400个葡萄糖基,分子量>2×107,聚合度7200,各分支也都是卷曲成螺旋形。淀粉与碘呈颜色反应,直链淀粉为蓝色,支链淀粉为紫色。 |
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