psoralenn.

Brit.

/ˈsɔːrəlᵻn/, U.S.

/ˈsɔrələn/

Forms: 1900s– psoralen, 1900s– psoralene.

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Psoralea , English -en , -ene comb. form.

Etymology: < scientific Latin Psoralea, genus name ( Linnaeus Species plantarum (1753) II. 762; < ancient Greek ψωραλέος itchy, mangy < ψώρα psora n. + -αλέος, suffix forming adjectives) + -en, variant of -ene comb. form.Psoralen was first isolated from seeds of an Indian clover, Psoralea corylifolia.

Chemistry and Pharmacology.

A photoreactive compound which occurs in certain plants; any substituted derivative of this compound, examples of which are used in perfumery, cosmetics, and in the photochemotherapy of skin disorders such as psoriasis and vitiligo.Psoralen is a tricyclic lactone whose molecule contains fused coumarin and furan rings. Formula: C₁₁H₆O₃.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic compounds > [noun] > cyclic compounds > tricyclic compounds

xanthene1898

thioxanthene1911

psoralen1933

lysergic acid1934

cannabinoid1967

1933 H. S. Jois et al. in Jrnl. Indian Chem. Soc. 10 45 This substance was found to have the formula C₁₁H₆O₃... It has been named Psoralen.

1959 N. Campbell in E. H. Rodd Chem. Carbon Compounds IV b. viii. 883 Examples of the furocoumarins are found in psoralene and angelicin, which differ from each other in the points of attachment of the furan ring to the aromatic nucleus of coumarin.

1969 Observer 26 Jan. 5/5 Patients who are prescribed psoralens—drugs sensitive to ultra-violet light and taken to bring a healthy glow back to unnaturally white patches of skin—should resist the temptation to use them as ‘suntan pills’.

1995 New Scientist 20 May 7/3 The chemical, psoralen, is derived from bergamot oil.

2002 S. Stacey & J. Fairley 21st Cent. Beauty Bible 77/2 Beware of wearing fragrance in the sun; psoralens (ingredients particularly found in citrussy fragrances) can cause permanent staining of the skin.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	psoralen
释义	psoralenn. Brit. /ˈsɔːrəlᵻn/, U.S. /ˈsɔrələn/ Forms: 1900s– psoralen, 1900s– psoralene. Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Psoralea , English -en , -ene comb. form. Etymology: < scientific Latin Psoralea, genus name ( Linnaeus Species plantarum (1753) II. 762; < ancient Greek ψωραλέος itchy, mangy < ψώρα psora n. + -αλέος, suffix forming adjectives) + -en, variant of -ene comb. form.Psoralen was first isolated from seeds of an Indian clover, Psoralea corylifolia. Chemistry and Pharmacology. A photoreactive compound which occurs in certain plants; any substituted derivative of this compound, examples of which are used in perfumery, cosmetics, and in the photochemotherapy of skin disorders such as psoriasis and vitiligo.Psoralen is a tricyclic lactone whose molecule contains fused coumarin and furan rings. Formula: C₁₁H₆O₃. ΘΚΠ the world > matter > chemistry > organic chemistry > organic compounds > [noun] > cyclic compounds > tricyclic compounds xanthene1898 thioxanthene1911 psoralen1933 lysergic acid1934 cannabinoid1967 1933 H. S. Jois et al. in Jrnl. Indian Chem. Soc. 10 45 This substance was found to have the formula C₁₁H₆O₃... It has been named Psoralen. 1959 N. Campbell in E. H. Rodd Chem. Carbon Compounds IV b. viii. 883 Examples of the furocoumarins are found in psoralene and angelicin, which differ from each other in the points of attachment of the furan ring to the aromatic nucleus of coumarin. 1969 Observer 26 Jan. 5/5 Patients who are prescribed psoralens—drugs sensitive to ultra-violet light and taken to bring a healthy glow back to unnaturally white patches of skin—should resist the temptation to use them as ‘suntan pills’. 1995 New Scientist 20 May 7/3 The chemical, psoralen, is derived from bergamot oil. 2002 S. Stacey & J. Fairley 21st Cent. Beauty Bible 77/2 Beware of wearing fragrance in the sun; psoralens (ingredients particularly found in citrussy fragrances) can cause permanent staining of the skin. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1933
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