Skip to main content

Table 2 Compounds identified by mass spectroscopy and their properties

From: Extraction of bioactive compounds from Psidium guajava leaves and its utilization in preparation of jellies

Compound

Peak (m/z)

Class

Chemical name/structure

Reported biological, activities

References

Quercetin

293.1

Flavonoid

3,3′,4′,5,7-Pentahydroxy flavone

Antioxidant, anti-inflammatory and anti-allergy

Sharma and Gupta (2010)

Gallocatechin

311.1

Flavonoid

Flavan-3,3′,4′,5,5′,7-hexol

Antioxidant and anti-cancer

Legeay et al. (2015)

Esculin

281.2

Hydroxycoumarin

6-O-Beta-d-glucoside of esculetin

Antioxidant, anticancer and a metabolite

Wang et al. (2013)

3-Sinapoylquinic acid

379.1

Quinic acid derivative

Cyclohexane ring with four hydroxyl groups at positions 1, 3.4, and 5, and carboxylic acid at position 1

Antioxidant and anti-cancer

Legeay et al. (2015)

Ellagic acid

341.0

Phenolic acid

Dilactone of hexahydroxydiphenic acid

Antioxidant, antihepatotoxic, antisteatosic, anticholestatic, antifibrogenic, anti-hepatocarcinogenic, antibacterial, and antiviral

García-Nino and Zazueta (2015)

Gallic acid

144.0

Phenolic acid

Trihydroxybenzoic acid

Antibacterial, anti-fungal, antiviral, anti-inflammatory, antioxidant, anticancer, anti-diabetic

Nayeem et al. (2016)

Citric acid

191.0

Carboxylic acid

2-Hydroxy-1,2,3-propanetricar-boxylic acid

Antibacterial,calculi dissolution agent, anticoagulant, preservative agent

García-Nino and Zazueta (2015)