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Biflorin is an o-naphthoquinone isolated from Capraria biflora L. (Scrophulariaceae, a perennial shrub widely distributed in several countries of tropical America). Biflorin has cytotoxic and antioxidant potential, strongly inhibiting the growth of five tested tumor cell lines, especially the skin, breast and colon cancer cells with IC50 of 0.40, 0.43 and 0.88 micro/ml for B16, MCF-7 and HCT-8, respectively, while the antioxidant activity was assayed against autoxidation of oleic acid in a water/alcohol system. (PMID: 16042338).

Chlorogenic acid is an ester of caffeic acid and quinic acid. Chlorogenic acid is the major polyphenolic compound in coffee, isolated from the leaves and fruits of dicotyledonous plants. This compound, long known as an antioxidant, also slows the release of glucose into the bloodstream after a meal. Coffee is a complex mixture of chemicals that provides significant amounts of chlorogenic acid. The chlorogenic acid content of a 200 ml (7-oz) cup of coffee has been reported to range from 70-350 mg, which would provide about 35-175 mg of caffeic acid. The results of epidemiological research suggest that coffee consumption may help prevent several chronic diseases, including type 2 diabetes mellitus, Parkinson's disease and liver disease (cirrhosis and hepatocellular carcinoma). Most prospective cohort studies have not found coffee consumption to be associated with significantly increased cardiovascular disease risk. However, coffee consumption is associated with increases in several cardiovascular disease risk factors, including blood pressure and plasma homocysteine. At present, there is little evidence that coffee consumption increases the risk of cancer. (PMID:16507475, 17368041).

A cinnamate ester obtained by formal condensation of the carboxy group of trans-caffeic acid with the 5-hydroxy group of quinic acid." []

A member of the class of coumarins that is scopoletin attached to a beta-D-glucopyranosyl residue at position 7 via a glycosidic linkage." []

Cis-5-Caffeoylquinic acid is a polyphenol compound found in foods of plant origin (PMID: 20428313)

1-O-Caffeoylquinic acid is found in coffee and coffee products. 1-O-Caffeoylquinic acid is a constituent of coffee

Cryptochlorogenic acid is found in apple. Cryptochlorogenic acid is a constituent of coffee and sunflowers

3-O-Caffeoyl-muco-quinic acid is found in fruits. 3-O-Caffeoyl-muco-quinic acid is a constituent of Asimina triloba (pawpaw).

Isobiflorin is found in cloves. Isobiflorin is a constituent of Syzygium aromaticum (clove).

5Z-Caffeoylquinic acid is a polyphenol compound found in foods of plant origin (PMID: 20428313).

Scopolin is a member of the class of compounds known as coumarin glycosides. Coumarin glycosides are aromatic compounds containing a carbohydrate moiety glycosidically bound to a coumarin moiety. Scopolin is slightly soluble (in water) and a very weakly acidic compound (based on its pKa). Scopolin can be found in a number of food items such as sweet potato, oat, wild celery, and potato, which makes scopolin a potential biomarker for the consumption of these food products. Scopolin is a glucoside of scopoletin formed by the action of the enzyme scopoletin glucosyltransferase .

An alkyl caffeate ester obtained by the formal condensation of the carboxy group of trans-caffeic acid with the 1-hydroxy group of (-)-quinic acid." []

Isochlorogensaure is a natural product found in Sonchus asper, Chondrilla juncea, and other organisms with data available.

This compound belongs to the class of organic compounds known as quinic acids and derivatives. These are compounds containing a quinic acid moiety (or a derivative thereof), which is a cyclitol made up of a cyclohexane ring that bears four hydroxyl groups at positions 1,3.4, and 5, as well as a carboxylic acid at position 1." []