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β-谷甾醇、豆甾醇、菜油甾醇和菜籽甾醇4大植物甾醇
植物油是植物甾醇含量较为丰富的食品之一，而其中玉米油中的植物甾醇含量较高。本品为白色粉末，也可有酯状溶于油脂。 植物甾醇分为4-无甲基甾醇、4-甲基甾醇和4,4’-二甲基甾醇三类，无甲基甾醇主要有β-谷甾醇、豆甾醇、菜油甾醇和菜籽甾醇等，主要存在于植物的种子中植物甾醇的结构与动物性甾醇的结构基本相似，唯一不同之处是c-4位所连甲基数目及c-11位侧链的差异，正是这些侧链上的微小不同致使其具有不同生理功能。上海惠诚生物现货并且优势提供β-谷甾醇、豆甾醇、菜油甾醇和菜籽甾醇,详情致电021-60498804。
| Cat. Number | GY1218 |
| Chemical Name | β-谷甾醇 β-Sitosterol 分析用标准品 |
| CAS Number | 83-46-5 |
| Mol. Formula | C29H50O |
| Mol. Weight | 414.7154 |
| Qty 1 | 20mg/490元 现货提供 |
| Qty 2 | 100mg |
| Application Notes | ≥97% GC |
| Synonym | α-Dihydrofucosterol; 22,23-Dihydrostigmasterol;24β-Ethylcholesterol; 5-Stigmasten-3β-ol Phytosterol Stigmast-5-en-3-ol, (3.beta.)- (9CI) Stigmast-5-en-3.beta.-ol (VAN 8CI) Stigmast-5-en-3-.beta.-ol beta-Sitosterol |
| Storage condition | 2-8℃ |
豆甾醇 stigmasterol产品资料如下：
| Cat. Number | GY1217 |
| Chemical Name | |
| CAS Number | 83-48-7 |
| Category | Source: Soybean |
| Mol. Formula | C29H48O |
| Mol. Weight | 413 |
| Qty 1 | 25mg/360元 现货提供 |
| Qty 2 | 100mg |
| Appearance | solid |
| Application Notes | 98+ % TLC; GC |
| Synonym | 5,22-Cholestadien-24-beta-ethyl-3-beta-ol |
| Melting Pt. | 165-167°C |
| Solubility | chloroform |
| Storage condition | 2-8℃ |
菜油甾醇 Campesterol产品资料如下：
| Cat. Number | GY1216 |
| Chemical Name | |
| CAS Number | 474-62-4 |
| Category | Steroids |
| Mol. Formula | C28H48O |
| Mol. Weight | 400.69 |
| Qty 1 | 25mg |
| Appearance | 分析用标准品 |
| Application Notes | 97+% (GC) |
| Synonym | (24R)-5-ERGOSTEN-3BETA-OL; 24-METHYLCHOLESTEROL; 24ALPHA-METHYLCHOLESTEROL; CAMPESTERIN; CAMPESTEROL; DELTA5-24-ISOERGOSTEN-3BETA-OL; EINECS 207-484-4; NSC 224330 |
| Solubility | 氯仿，苯，乙醚 |
| Storage condition | 2-8℃ |
菜籽甾醇 Brassicasterol 产品资料如下：
| Cat. Number | GY1207 |
| Chemical Name | |
| CAS Number | 474-67-9 |
| Category | Steroids |
| Mol. Formula | C28H46O |
| Mol. Weight | 398.67 |
| Qty 1 | 25mg |
| Qty 2 | 100mg |
| Appearance | powder |
| Synonym | Ergosta-5,22(E)-dien-3.beta.-ol 5,22-Cholestadien-24beta-methyl-3beta-ol) Ergosta-5,22-dien-3-ol Ergosta-5,22-dien-3-ol, (3beta,22E)- Epibrassicasterol Ergosta-5,22-dien-3-ol, (3b,22E)- |
| Melting Pt. | 148℃ |
| Storage condition | 2-8℃ |
另外上海惠诚生物可提供植物甾醇混标：
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，菜籽甾醇）
Source: plant
Solvent: chloroform
Storage: -20°C
Components: (approximate amounts)
Brassicasterol (13%)
Campesterol (26%)
Stigmasterol (7%)
beta-Sitosterol (53%)
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-Sitosterol
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.
惠诚生物同时提供分析维生素E和甾醇用的色谱柱
上海惠诚生物科技有限公司 “惠质产品，挚诚服务”自2010年成立以来立足华东，服务于生命科学领域，主营糖化学标准品，脂类分析标准品，花青素标准品，类胡萝卜素, 人乳寡糖等食品分析用产品，咨询电话021-60498804。
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