References | 植物甾醇混标 25 mg/ml, 1ml (b-sitosterol 53%, stigmasterol 7%, campesterol 26%, brassicasterol 13%) (谷甾醇,豆甾醇,菜油甾醇,菜子甾醇) Source: plant Solvent: chloroform Storage: -20°C Components: (approximate amounts) Brassicasterol (13%) Campesterol (26%) Stigmasterol (7%) beta-Sitosterol (53%) Plant Sterol Mixture植物甾醇混合物—西宝生物 GC Conditions: Column: RTX-1 30m x0.25mm x0.2µm Carrier Gas: helium Linear Velocity: 20cm/sec Make-up Gas: nitrogen Flow Rate: 40ml/min Split Ratio: 100:1 Vent Flow: 70ml/min Oven Initial: 325°C Program Rate: Isothermal Detector: FID, 350 °C Injector: 350°C GC elution order: Brassicasterol, Campesterol, Stigmasterol, beta-SitosterolPlant Sterol Mixture植物甾醇混合物—西宝生物 This qualitative mixture contains four major plant sterols isolated from natural sources and is ideal for use as a standard with gas chromatography, 1 mass spectrometry, and high performance liquid chromatography. |