• Thumbnail for Psoralen
    Psoralen (also called psoralene) is the parent compound in a family of naturally occurring organic compounds known as the linear furanocoumarins. It is...
    23 KB (2,592 words) - 13:58, 17 June 2024
  • PUVA (psoralen and UVA) is an ultraviolet light therapy treatment for skin diseases: vitiligo, eczema, psoriasis, graft-versus-host disease, mycosis fungoides...
    10 KB (1,190 words) - 15:33, 12 April 2023
  • Thumbnail for Cullen corylifolium
    medicine. The seeds of this plant contain a variety of coumarins, including psoralen. Corylifolium comes from similarity of the leaves to those of Corylus,...
    4 KB (355 words) - 17:11, 1 May 2023
  • Thumbnail for Furanocoumarin
    different isomers. The parent compounds of the most common isomers are psoralen and angelicin. Derivatives of these two compounds are referred to respectively...
    7 KB (752 words) - 10:04, 8 March 2024
  • Thumbnail for Methoxsalen
    Another hydroxylation is catalyzed by psoralen synthase to yield psoralen. A third hydroxylation by the enzyme psoralen 8-monooxygenase yields xanthotoxol...
    10 KB (748 words) - 07:15, 14 March 2024
  • In enzymology, a psoralen synthase (EC 1.14.13.102) is an enzyme that catalyzes the chemical reaction (+)-marmesin + NADPH + H+ + O2 ⇌ {\displaystyle \rightleftharpoons...
    2 KB (171 words) - 15:36, 26 August 2023
  • Thumbnail for Fig
    quantities of two furanocoumarins, psoralen and bergapten. The essential oil of fig leaves contains more than 10% psoralen, the highest concentration of any...
    52 KB (5,610 words) - 20:23, 13 July 2024
  • as well. The best known tanning activator is psoralen which is an ingredient of bergamot oil. Psoralen has been present in sunscreens in order to allow...
    5 KB (599 words) - 15:59, 5 February 2024
  • Thumbnail for Angelica archangelica
    8-[2-(3-methylbutroxy)-3-hydroxy-3-methylbutoxy]psoralen, osthol, ostruthol, oxypeucedanin, phellopterin, psoralen and xanthotoxin, can be isolated from a chloroform...
    12 KB (1,043 words) - 17:00, 7 June 2024
  • Thumbnail for Psoriasis
    of psoralen with exposure to ultraviolet A (UVA) light. The mechanism of action of PUVA is unknown, but probably involves activation of psoralen by UVA...
    115 KB (12,963 words) - 23:33, 14 July 2024