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Calendic acid (sometimes α-Calendic acid) is an unsaturated fatty acid, named for the pot marigold (genus Calendula), from which it is obtained. It is chemically similar to the conjugated linoleic acids; laboratory work suggests it may have similar health benefits.
Additional recommended knowledge
Calendic acid is an omega-6 fatty acid. though not usually listed with this group. Calendic acid (8t,10t,12c-18:3) is synthesised in Calendula officinalis from linoleate (9c,12c-18:2) by an unusual Δ12-oleate desaturase (a FAD 2 variant) that converts the cis-double bond in position 9 to a trans,trans-conjugated double bond system (8t,10t). An all-trans beta isomer has been described.
Calendula flowers have been used for many centuries. Ointments or extracts are applied medicinally for reducing inflammation, wound healing, and as an antiseptic. The US National Institute of Health's MedlinePlus states that there is 'B' grade evidence ('good scientific evidence') for the efficacy of topical use of Calendula in protecting the skin of patients undergoing radiation treatments. It assigns a 'C' grade (Unclear scientific evidence) for uses in ear infection, skin inflammation and wound and burn healing.
Calendic acid is the fatty acid responsible for the reduction in feed intake and improved feed utilization in mice when calendular oil is added to the feedstuff, as demonstrated by the comparative experiments in the examples using corn oil.
In vitro, β-calendic acid shows anti-cancer activity against human colon cancer cells.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Calendic_acid". A list of authors is available in Wikipedia.|