Name | Specifications | Packing | Price | Delivery |
β-Sitosterol | 分析標(biāo)準(zhǔn)品,>95%(GC) | 100mg | RMB 1424.5 | Consulting service |
β-Sitosterol | 分析標(biāo)準(zhǔn)品,>95%(GC) | 20mg | RMB 440 | Consulting service |
β-Sitosterol | >75.0%(GC) | 100g | RMB 720.5 | Consulting service |
β-Sitosterol | 分析標(biāo)準(zhǔn)品,>90% | 20mg | RMB 322.3 | Consulting service |
β-Sitosterol | >75.0%(GC) | 25g | RMB 236.5 | 現(xiàn)貨 |
外觀Appearance 白色粉末
紅外光譜鑒別Infrared spectrometry Conforms
總甾醇 content of total phytosterols ≥95%
β—谷甾醇β—sitosterols >75.0% (GC)
豆甾醇stigmasterol ≤5%
菜籽甾醇brassicasterol ≥15%
干燥損失Loss on drying <3.5 %
比旋度Specific optical rotation -24°~ -32°(c=2, CHCl3)
灰分Ash 0.1 % (typically)
總甾醇total sterols (GC): > 95%
總甾醇組成(GC):
β—谷甾醇β—sitosterols >75-80.0% (GC)
豆甾醇stigmasterol ≤5%
菜籽甾醇brassicasterol ≤15%
分析標(biāo)準(zhǔn)品,95%:
外觀Appearance 白色粉末
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity ≥95.0% (GC)
純度Purity ≥95.0% (HPLC)
氯仿溶解試驗(yàn)solubility in Chloroform Clear ,50 mg/mL
比旋光度Specific rotation [a]20/D -39.0°~ -33.0°(C=0.5 , Chloroform )
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