| umbellifer | <botany> A plant producing an umbel or umbels. Origin: NL. See Umbelliferous. Source: Websters Dictionary (01 Mar 1998) |
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| umbelliferone | <chemistry> 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. Synonym: hydroxy-coumarin. Source: Websters Dictionary (01 Mar 1998) |
| umbelliferones | 7-hydroxycoumarins. Substances present in many plants, especially umbelliferae. Umbelliferones are used in sunscreen preparations and may be mutagenic. Their derivatives are used in liver therapy, as reagents, plant growth factors, sunscreens, insecticide, parasiticides, choleretics, spasmolytics, etc. (12 Dec 1998) |
| umbelliferous | <botany> Producing umbels. Of or pertaining to a natural order (Umbelliferae) of plants, of which the parsley, carrot, parsnip, and fennel are well-known examples. Origin: Umbel: cf. F. Ombillifere. Source: Websters Dictionary (01 Mar 1998) |
Synonyms : 7 Hydroxycoumarins
| Umbelliferae |
the parsley family, a large family of plants with fragrant leaves and flower clusters arranged in umbels; many species are used as foods and spices in the human diet. Important genera include Anethum, Carum, Cicuta, Conium, Coriandrum, Daucus, Foeniculum, and Pimpinella.
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| umbelliferone |
a substance present in many plants, particularly those of the family Umbelliferae; used to absorb ultraviolet rays in sunscreen creams and lotions.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| umbelliferous |
1. pertaining to or characteristic of the family Umbelliferae. 2. bearing umbels.
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| umbellifer | any of numerous aromatic herbs of the family Umbelliferae |
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| umbellifer | plants having flowers in umbels: parsley |
| umbellifer | (botany) relating to or belonging to plants of the family Umbelliferae |
| umbellifer | any of numerous aromatic herbs of the family Umbelliferae |
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