6-Hydroxychroman (6-chromanol) is the fundamental unit of the tocopherols (vitamin E), tocols, and tocotrienols, as well as of ubi-, toco-, and phyllochromanol.
See also: chroman, chromene, chromenol.
Synonym(s): hydroxychroman
References in periodicals archive ?
It contains extracts of avocado and soybean, hyaluronic acid, vitamin E, sodium carboxymethyl beta glucan, dimethylmethoxy chromanol, and trimethylglycine.
Tocopherols and tocotrienols have a chromanol head and a side chain at C-2 position.
2 Both tocotrienols and tocopherols can freely donate a hydrogen atom (a proton plus electron) from the hydroxyl group on their chromanol ring.
These compounds exert antioxidant activity by one electron reduction of the phenolic group in the chromanol moiety.
Different numbers and positions of methyl groups present on the chromanol head of individual molecules ("R" positions, Figure 1) distinguish each isomer by a Greek letter [alpha], [beta], [gamma]or [delta].
The term vitamin E stands for a family of eight molecules with related structures each consisting of a chromanol ring with an alipathic side chain.
In this study, in the presence of a low dose of ATX-II, two potassium channel blockers (E-4031 and chromanol 239B) significantly prolonged action potential duration and led to the induction of EADs and VT.
All Evitamins contain a chromanol ring that is responsible for their free radical-scavenging abilities, due to its phenoxy group (see Fig.
It is comprised of a family of hydrocarbon compounds characterised by a chromanol ring with a phytol side chain referred to as tocopherols and tocotrienols.
In both vitamin E subfamilies, the chromanol head is the location of antioxidant activity.
d-Alpha-tocopherol (2R,4'R, 8'R-Alpha-tocopherol) and d-alpha-tocotrienol are two vitamin E constituents having the same aromatic chromanol "head" but differing in their hydrocarbon "tail": tocopherol with a saturated and toctrienol with an unsaturated isoprenoid chain.
INCI name: Water (aqua), butylene glycol, lecithin, ethylhexyl methoxycinnamate, hydrolyzed soy protein, hydrolyzed wheat protein, tocopheryl acetate, linoleamidopropyl PG-dimonium chloride phosphate, propylene glycol, calendula officinalis flower extract, sunflower (helianthus annuus) seed oil, glycerin, matricaria (chamomilla recutita) flower extract, walnut (juglans regia) shell extract, tocopherol, tripeptide-1, acrylates/C10-30 alkyl acrylate crosspolymer, carrageenan (chondrus crispus), xanthan gum, triethanolamine, dimethylmethoxy chromanol, glycolipids, caprylyl glycol