quinic acid

Quinic acid is also implicated in the perceived acidity of coffee.

Quinic acid is also a constituent of the tara tannins.

Historically hydroquinone was obtained from the dry distillation of quinic acid.

The bark of the plant was used as a cold remedy thanks to the therapeutic acid called quinic acid.

Quinic acid is used as an astringent.

C. spinosa is cultivated as a source of tannins based on a galloylated quinic acid structure.

Gilead initially chose quinic acid over shikimic acid as a starting material.

Chemically, it is an ester formed from quinic acid and two units of caffeic acid.

Stenophyllanin A, a tannin, and other quinic acid gallates can be found in Q. stenophylla.

Quinic acid, derived from the bark of the cinchona tree, is a potential alternative base material for the production of oseltamivir.

It has the same structure as quinic acid, which is found in coffee, but the C-3 hydroxyl is oxidized to a ketone group.

Quinic acid is a cyclitol, a cyclic polyol, and a cyclohexanecarboxylic acid.

Still, quinic acid could be a potential alternative starting material and there might be other sources of shikimic acid besides star anise.

In rats, theogallin, or its metabolite quinic acid, can move through the blood-brain barrier and can have cognition enhancing activities.

The current production method is based on the first scalable synthesis developed by Gilead Sciences starting from naturally occurring quinic acid or shikimic acid.

He also discovered pectin and malic acid in apples, and isolated camphoric acid and quinic acid.

Phenolics found in Crepis include luteolin type flavonoids and caffeoyl quinic acid derivatives such as chlorogenic acid and 3,5-dicaffeoylquinic acid.

Quinic acid is also thought to displace binding of the mu opioid receptor antagonist; however, this acid was originally thought to be pharmacologically inactive.

Hydrolysable tannins are mixtures of polygalloyl glucoses and/or poly-galloyl quinic acid derivatives containing in between 3 up to 12 gallic acid residues per molecule.

YdiB can utilize NAD or NADP as a cofactor and also reacts with quinic acid.

Chlorogenic acids are homologous compounds comprising caffeic acid, ferulic acid and 3,4-dimethoxycinnamic acid, which are connected by an ester bond to the hydroxyl groups of quinic acid.

The term chlorogenic acids can also refer more broadly to a related family of esters of hydroxycinnamic acids (caffeic acid, ferulic acid and p-coumaric acid) with quinic acid.

Quinic acid, from the bark of the tropical cinchona tree, was available in much greater supply and at lower prices, even though using it required more steps than using shikimic acid, Mr. Prisbe said.

They also contain several organic acids, most predominantly the pairs malic and quinic acids, and citric and ketoglutaric acid, which respectively make up 42% and 30% of total organic acids.

In a study on tomatoes, it was shown that the aphids preferred smooth to hairy leaves and that susceptible tomato plants had higher sucrose, lower quinic acid and higher alanine and tyrosine levels.