viosteroln.

/vʌɪəʊˈstɪərɒl/

Etymology: < -vio- (in ultraviolet adj. and n.) + -sterol suffix.

Biochemistry.

Calciferol (vitamin D₂) obtained by the irradiation of ergosterol with ultraviolet light.

ΚΠ

1929 Jrnl. Amer. Med. Assoc. 31 Aug. 693/1 The Council [on Pharmacy and Chemistry] has adopted the term viosterol to designate irradiated ergosterol.

1933 Discovery May 160/1 The daily dose of yeast milk required for the prevention of rickets is approximately 24 ounces (120 rat units) of cod liver oil, 3 teaspoonful (200 rat units) and of viosterol 10 drops (800 units).

1971 A. A. Michele You don't have to Ache vii. 162 Today rickets is rare. Vitamin D and viosterol have done much to eliminate the disease.

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).

单词	viosterol
释义	viosteroln. /vʌɪəʊˈstɪərɒl/ Etymology: < -vio- (in ultraviolet adj. and n.) + -sterol suffix. Biochemistry. Calciferol (vitamin D₂) obtained by the irradiation of ergosterol with ultraviolet light. ΚΠ 1929 Jrnl. Amer. Med. Assoc. 31 Aug. 693/1 The Council [on Pharmacy and Chemistry] has adopted the term viosterol to designate irradiated ergosterol. 1933 Discovery May 160/1 The daily dose of yeast milk required for the prevention of rickets is approximately 24 ounces (120 rat units) of cod liver oil, 3 teaspoonful (200 rat units) and of viosterol 10 drops (800 units). 1971 A. A. Michele You don't have to Ache vii. 162 Today rickets is rare. Vitamin D and viosterol have done much to eliminate the disease. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018). < n.1929
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