Theogallin is a
trihydroxybenzoic acid Trihydroxybenzoic acid may refer to the following phenolic acids :
* Gallic acid (3,4,5-trihydroxybenzoic acid)
* Phloroglucinol carboxylic acid (2,4,6-trihydroxybenzoic acid)
O-methylated trihydroxybenzoic acids are :
* Eudesmic acid
* Syringic ...
glycoside
In chemistry, a glycoside is a molecule in which a sugar is bound to another functional group via a glycosidic bond. Glycosides play numerous important roles in living organisms. Many plants store chemicals in the form of inactive glycosides. ...
, a type of polyphenolic compound found in tea where it has been characterised as an
umami enhancing compound. The compound can also be found in ''
Arbutus unedo
''Arbutus unedo'' is an evergreen shrub or small tree in the family Ericaceae, native to the Mediterranean region and western Europe. The tree is well known for its fruits, which bear some resemblance to the strawberry — hence the common name ...
'' fruits.
In rats, theogallin, or its metabolite
quinic acid
Quinic acid is a cyclitol, a cyclic polyol, and a cyclohexanecarboxylic acid. It is a colorless solid that can be extracted from plant sources. Quinic acid is implicated in the perceived acidity of coffee.
Occurrence and preparation
The compound ...
, can move through the
blood brain barrier
Blood is a body fluid in the circulatory system of humans and other vertebrates that delivers necessary substances such as nutrients and oxygen to the Cell (biology), cells, and transports Metabolic waste, metabolic waste products away from th ...
and can have cognition enhancing activities.
References
Quinic acid esters
Pyrogallols
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