E6510
Ergosterol
≥75%
Synonym(s):
3β-Hydroxy-5,7,22-ergostatriene, 5,7,22-Ergostatrien-3β-ol, Provitamin D2
About This Item
Recommended Products
biological source
microbial
Quality Level
Assay
≥75%
form
powder
color
white to off-white
mp
156-158 °C (lit.)
storage temp.
2-8°C
SMILES string
[H][C@@]1(CC[C@@]2([H])C3=CC=C4C[C@@H](O)CC[C@]4(C)[C@@]3([H])CC[C@]12C)[C@H](C)\C=C\[C@H](C)C(C)C
InChI
1S/C28H44O/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/h7-10,18-20,22,24-26,29H,11-17H2,1-6H3/b8-7+/t19-,20+,22-,24+,25-,26-,27-,28+/m0/s1
InChI key
DNVPQKQSNYMLRS-APGDWVJJSA-N
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General description
Application
- as a component of yeast cell monolayer models, to study the effects of steroidal and triterpenoid saponins on the monolayers
- as a standard sample, to isolate and identify a fungal metabolite fraction containing ergosterol
- as a component of the culture medium to isolate the CYP51RNAi phenotype of Trypanosoma brucei gambiense, to verify ergosterol biosynthesis
Biochem/physiol Actions
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Chronic 4
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Personal Protective Equipment
Certificates of Analysis (COA)
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Articles
Vitamin D2 (ergocalciferol) is naturally synthesized from ergosterol by invertebrates, fungi, and plants in response to ultraviolet B irradiation, while vitamin D3 synthesis (cholecalciferol) is uniquely initiated in the skin of vertebrates. During sun exposure, ultraviolet B photons are absorbed by 7-dehydrocholesterol, which is found within the plasma membranes of epidermal and dermal skin layers. This reaction yields an unstable derivative of 7-dehydrocholesterol, named precholecalcitrol, which rapidly rearranges to vitamin D3. Vitamin D binding protein (DBP) is a carrier protein responsible for drawing vitamin D3 from the plasma membrane into the dermal capillaries within the extracellular space.
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