pantothenoln.

Brit.

/ˌpantəˈθɛnɒl/, U.S.

/ˌpæn(t)oʊˈθɛˌnɔl/,

/ˌpæn(t)oʊˈθɛˌnɑl/

Origin: Formed within English, by derivation. Etymons: pantothenic adj., -ol suffix.

Etymology: < pantothen- (in pantothenic adj.) + -ol suffix. Compare slightly earlier panthenol n.

Chemistry.

A liquid alcohol which is a reduction product of pantothenic acid, used as a source of pantothenic acid in nutritional supplements, as a topical agent for the treatment of dermatitis, and as a conditioner in many hair care products; 2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide, C₉H₁₉NO₄. Cf. panthenol n.In quot. 1947 referring to a substituted derivative of this compound.

ΚΠ

1947 Jrnl. Org. Chem. 12 100 The resulting alcohol..was not isolated, but was subjected to the same hydrolytic conditions used for preparing the pantothenol.

1948 Proc. Soc. Exper. Biol. & Med. 69 571/2 Pantothenol is 86% as active as pantothenic acid in promoting chick growth.

1957 Brit. Jrnl. Nutrition 11 439 A controlled clinical trial to test the efficacy of pantothenol in the burning feet syndrome was carried out in a rural area in Ceylon.

2003 Internat. Product Alert (Nexis) 20 No. 5 The Energy Drink is made from taurine, glucuronolactone, caffeine, inosinal, niacinamide, pantothenol, and vitamins B2, B6 and B12.

This is a new entry (OED Third Edition, March 2005; most recently modified version published online March 2022).

单词	pantothenol
释义	pantothenoln. Brit. /ˌpantəˈθɛnɒl/, U.S. /ˌpæn(t)oʊˈθɛˌnɔl/, /ˌpæn(t)oʊˈθɛˌnɑl/ Origin: Formed within English, by derivation. Etymons: pantothenic adj., -ol suffix. Etymology: < pantothen- (in pantothenic adj.) + -ol suffix. Compare slightly earlier panthenol n. Chemistry. A liquid alcohol which is a reduction product of pantothenic acid, used as a source of pantothenic acid in nutritional supplements, as a topical agent for the treatment of dermatitis, and as a conditioner in many hair care products; 2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide, C₉H₁₉NO₄. Cf. panthenol n.In quot. 1947 referring to a substituted derivative of this compound. ΚΠ 1947 Jrnl. Org. Chem. 12 100 The resulting alcohol..was not isolated, but was subjected to the same hydrolytic conditions used for preparing the pantothenol. 1948 Proc. Soc. Exper. Biol. & Med. 69 571/2 Pantothenol is 86% as active as pantothenic acid in promoting chick growth. 1957 Brit. Jrnl. Nutrition 11 439 A controlled clinical trial to test the efficacy of pantothenol in the burning feet syndrome was carried out in a rural area in Ceylon. 2003 Internat. Product Alert (Nexis) 20 No. 5 The Energy Drink is made from taurine, glucuronolactone, caffeine, inosinal, niacinamide, pantothenol, and vitamins B2, B6 and B12. This is a new entry (OED Third Edition, March 2005; most recently modified version published online March 2022). < n.1947
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