It absorbs ultraviolet light strongly at several wavelengths. Despite several indications that this chemical is photomutagenic, it is used in sunscreens. Umbelliferone has been reported to have antioxidant properties. It is a yellowish-white crystalline solid that has a slight solubility in hot water, but high solubility in ethanol. == Natural occ...
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http://en.wikipedia.org/wiki/Umbelliferone
• (n.) A tasteless white crystalline substance, C9H6O3, found in the bark of a certain plant (Daphne Mezereum), and also obtained by the distillation of certain gums from the Umbelliferae, as galbanum, asafetida, etc. It is analogous to coumarin. Called also hydroxy-coumarin.
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http://thinkexist.com/dictionary/meaning/umbelliferone/
(= 7-hydroxycoumarin) Common in many plants. Can be used as a fluorescent pH indicator.
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http://www.encyclo.co.uk/visitor-contributions.php
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