Syringic acid
Encyclopedia
Syringic acid is a naturally occurring O-methylated trihydroxybenzoic acid
Trihydroxybenzoic acid
Trihydroxybenzoic acid may refer to the following phenolic acids :* Gallic acid * Phloroglucinol carboxylic acid O-methylated trihydroxybenzoic acids are :* Eudesmic acid* Syringic acid...

, a type of chemical compound. It can be found in the açaí palm
Açaí Palm
The açaí palm is a species of palm tree in the genus Euterpe cultivated for their fruit and superior hearts of palm. Its name comes from the Portuguese adaptation of the Tupian word ïwasa'i, '[fruit that] cries or expels water'. Global demand for the fruit has expanded rapidly in recent years,...

 (Euterpe oleracea) and its oil
Acai oil
Açaí oil is obtained from the fruit of Euterpe oleracea , which grows in the Amazon Rainforest. The oil is rich in phenolic compounds similar in profile to the pulp itself, such as vanillic acid, syringic acid, p-hydroxybenzoic acid, protocatechuic acid and ferulic acid as well as -catechin and...

 (1,073 +/- 62 mg/kg), in Ardisia elliptica
Ardisia elliptica
Ardisia elliptica is an evergreen tree, also known as the shoebutton, native to the west coast of India, Sri Lanka, Indochina, Malaysia, Indonesia and New Guinea. It a prolific reproducer which has made it a successful invasive species in other locations.A. elliptica is a tropical understory shrub...

. Its presence in the ancient Egyptian drink shedeh
Shedeh
Shedeh was a drink of Ancient Egypt. Although it was long thought to have been made from pomegranates, recent evidence suggests it came from grapes.-Discovery:...

 could confirm it was made out of grape, as syringic acid is released by the breakdown of the compound malvidin
Malvidin
Malvidin is an O-methylated anthocyanidin. As a primary plant pigment, its glycosides are highly abundant in nature. It is responsible primarily for the color of red wine, Vitis vinifera being one of its sources...

, also found in red wine.
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