β-环状糊精
环糊精是由D-毗喃型葡萄糖单元通过a-(1-4) -糖苷键连接而成的一类环状低聚麦芽糖。β-环状糊精是由7个葡萄糖分子连续而成的环状结构化合物,具有略成锥形的中空圆简立体环状结构,在其空腔结构中,外侧具有亲水性,而空腔内由于受到C-H键的屏蔽作用形成的疏水区。这种特殊结构使其可以包合不同的化合物,如有机分子、稀有气体、无机化合物等,形成化合物。广泛应用于医药、食品、化工、材料、环保和分析学等领域。
产品规格指标
| 性状: | 白色结晶或结晶性粉末;无臭,味微甜 |
| 含量: | 98.0~101.0% |
| 酸碱度: | 5.0~8.0 |
| 澄清度: | 澄清无色 |
| 氯化物: | ≤0.018% |
| 杂质吸收: | 230~350nm≤0.10;350~750nm≤0.05 |
| 还原糖: | <0.1% |
| 残留溶剂: | ≤10ppm |
| 干燥失重: | <14% |
| 炽灼残渣: | <0.1% |
| 重金属: | <10ppm |
| 细菌数: | ≤1000cfu/g |
| 霉菌及酵母: | ≤100cfu/g |
β-环状糊精的基本特性
1、防挥发、抗氧化、抗光和热分解
2、保护色素天然色素色泽自然,种类繁多。
3、去除异味及不良成分食品中有异味和苦涩味时用β-环糊精来除去,能收到特别显著的效果。
4、药物配方中增加溶解度的应用
5、提高和改善食品的组织结构
产品应用
1、环糊精广泛应用于食品行业
利用环糊精的包合能力,使之与食品工业中的许多活性成分形成包合物,可以达到稳定活性成分、减少氧化、钝化光敏性及热敏性和降低挥发性等目的。此外,环糊精还具有脱除异味、改善食品组织结构、保持风味等作用。
2、医药行业
环糊精空腔与绝大多数临床使用的药物分子尺寸相适宜,形成的包合物具有一定的稳定性且无毒副作用,能增加脂溶性药物的溶解度,掩蔽一些药物本身带有的令人不愉快的气味,增加药物的稳定性,解决药物生产过程中的一些生产工艺问题等。
3、日用化学品
环糊精在化妆品原料中作为稳定剂、乳化剂和去味剂等,应用日益增加。在纺织行业、环境保护、农业中都有应用。
技术支持
公司配备专业应用研发团队,对下游应用行业及衍生物提供专业的技术开发及技术支持,以顾客为关注焦点,解决客户使用过程中遇到的技术难点。
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