biological source
semisynthetic
Quality Level
assay
≥98% (TLC)
form
powder
shipped in
wet ice
storage temp.
2-8°C
SMILES string
CC(C)[C@@H](C)\C=C\[C@@H](C)[C@H]1CC[C@H]2[C@@H]3CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C
InChI
1S/C28H46O/c1-18(2)19(3)7-8-20(4)24-11-12-25-23-10-9-21-17-22(29)13-15-27(21,5)26(23)14-16-28(24,25)6/h7-9,18-20,22-26,29H,10-17H2,1-6H3/b8-7+/t19-,20+,22-,23-,24+,25-,26-,27-,28+/m0/s1
InChI key
OILXMJHPFNGGTO-ZAUYPBDWSA-N
Application
以芥菜甾醇为标准品，采用薄层色谱法分析贻贝中的甾醇类化合物。
Biochem/physiol Actions
油菜甾醇是一种植物甾醇，结构与胆固醇相似。植物甾醇与胆固醇竞争，减少掺入胶束的胆固醇含量从而减少其吸收。据报道菜籽甾醇可以减缓动脉粥样硬化的进展。脑脊液中菜籽甾醇级别可能作为阿尔茨海默病进展的预后因子。
油菜甾醇是在菜籽油和菜籽油中发现的一种植物甾醇；也存在于海洋藻类和贝类中。菜籽甾醇已被证明能抑制固醇 δ 24 -还原酶，一种参与哺乳动物胆固醇生物合成途径的酶。
Preparation Note
菜籽甾醇来自半合成来源。在 50 mg/mL 氯仿中得到澄清、无色溶液。
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存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
实验方案
Separation of Cholesterol; Brassicasterol; Campesterol; Stigmasterol; β-Sitosterol
商品
Cholesterol synthesis regulation by dietary levels, LDL receptors control lipid-rich LDL particle transport in cells.
肝脏中胆固醇的合成量由饮食中的胆固醇水平来严格调节。LDL受体调节富含脂质的低密度脂蛋白（LDL）颗粒的细胞转运。
T Vanmierlo et al.
Acta psychiatrica Scandinavica, 124(3), 184-192 (2011-05-19)
Plant sterols (sitosterol, campesterol, stigmasterol and brassicasterol) are solely dietary-derivable sterols that are structurally very similar to cholesterol. In contrast to peripheral cholesterol, plant sterols can cross the blood-brain barrier and accumulate within mammalian brain. As an impaired function of
The search of new biomarkers to identify Alzheimer's disease: an editorial comment to T. Vanmierlo et al. 'The plant sterol brassicasterol and additional CFS biomarker in Alzheimer's Disease' (1).
A Lobo et al.
Acta psychiatrica Scandinavica, 124(3), 163-164 (2011-05-14)
Gavin Tansley et al.
Current gerontology and geriatrics research, 2012, 179318-179318 (2012-06-01)
Over the past 15 years, insights into sterol metabolism have improved our understanding of the relationship between lipids and common conditions such as atherosclerosis and Alzheimer's Disease (AD). A better understanding of sterol lipid metabolism in individuals with Down Syndrome
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| B4936-5MG | 04061833433553 |