- ￥831
- Sigma-Aldrich
- 进口
- 85642-25G
- 2025年10月22日
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- 文献和实验
- 技术资料
- 保存条件：
常温
- 保质期：
根据瓶身LOT号查询
- 英文名：
Starch
- 库存：
有现货
- 供应商：
浙江羽翔生物科技有限公司
- CAS号：
9005-25-8
- 规格：
25G
属性
生物来源
potato
表单
powder
质量
acc. to Zulkowsky (starch, treated with glycerol at 190°C)
灼烧残渣
≤7% (as SO4)
缺失
≤10% loss on drying
pH值（酸碱度）
6.5-7.5 (25 °C, 2% in H2O)
溶解性
H2O: 20 mg/mL, clear, colorless
适用性
in accordance for sensitivity
应用
vitamins, nutraceuticals, and natural products
一般描述
应用
- 直链淀粉酶活性检测
- 测定α-葡聚糖酶
- 测定直链淀粉和葡糖淀粉酶
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文献和实验Ozone oxidation of cassava starch in aqueous solution at different pH.
Ozone is a more powerful oxidant than common oxidising agents, such as sodium hypochlorite and hydrogen peroxide. It is considered as a safer starch modification method for both consumers and the environment. However, few studies have investigated the changes in starch properties associated with ozone treatment, particularly when applied in aqueous solution. This work aimed to evaluate the carbonyl and carboxyl contents, the X-ray diffraction patterns, the spectrum profiles of Fourier transform infrared spectroscopy, the pasting properties and the surface morphology of ozone-oxidised cassava starch during 60 min under different pH (3.5, 6.5 and 9.5) at 25°C. The pH 6.5 and 9.5 seemed to favour the cross-linking between the depolymerised starch molecules during ozonation. The pH 3.5 was more effective in reducing the peak viscosity, breakdown, setback and final viscosity of cassava starch during ozonation in aqueous solution. No differences in the granule surface morphology were observed in the ozone-treated cassava starches compared to native starch.
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