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tachysterol

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tachysterol /tach·ys·te·rol/ (tak-is´ter-ol) an isomer of ergosterol produced by irradiation.
ta·chys·ter·ol (t-kst-rôl, -rl)
n.
An isomer of ergosterol that forms vitamin D2 when irradiated with ultraviolet light.

tachysterol [tah-kis´ter-ol]
an isomer of ergosterol, an antirachitic substance, produced by irradiation of ergosterol.

tachysterol
an isomer of ergosterol, an antirachitic substance, produced by irradiaton of ergosterol.


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Whereas irradiation in cyclohexane solution for one hour produces only about 5 per cent conversion of DHC to previtamin, the product is significantly contaminated with at least two by-products, lumisterol and tachysterol.
 
 
 
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