title: Antioxidant and antibacterial activity of six edible wild plants (Sonchus spp.) in China.
abstract: The total phenolic and flavonoid, antioxidant and antibacterial activities of six Sonchus wild vegetables (Sonchus oleraceus L., Sonchus arvensis L., Sonchus asper (L.) Hill., Sonchus uliginosus M.B., Sonchus brachyotus DC. and Sonchus lingianus Shih) in China were investigated. The results revealed that S. arvensis extract and S. oleraceus extract contained the highest amount of phenolic and flavonoid, respectively. Among the methanol extracts of six Sonchus species, S. arvensis extract exhibited the highest radical (DPPH and ABTS+ scavenging power and lipid peroxidation inhibitory power. It also exhibited the highest reducing power at 500 µg mL⁻¹ by A (700) = 0.80. The results of antibacterial test indicated that the S. oleraceus extract showed higher activity than the other five Sonchus wild vegetables extracts, both in Gram-negative bacteria (Escherichia coli, Salmonella enterica and Vibrio parahaemolyticus) and in a Gram-positive bacterium (Staphylococcus aureus). These results indicate that Sonchus wild food plants might be applicable in natural medicine and healthy food.
authors.affiliation: College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China. xdz_zjtcm@hotmail.com
authors.forename: Dao-Zong
authors.initials: DZ
authors.lastname: Xia
authors.forename: Xin-Fen
authors.initials: XF
authors.lastname: Yu
authors.forename: Zhuo-Ying
authors.initials: ZY
authors.lastname: Zhu
authors.forename: Zhuang-Dan
authors.initials: ZD
authors.lastname: Zou
mesh_terms: D000818:Animals; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D000975:Antioxidants / Q000494:pharmacology*; D001419:Bacteria / Q000187:drug effects; D002681:China; D004365:Drugs, Chinese Herbal / Q000737:chemistry* / Q000494:pharmacology*; D005419:Flavonoids / Q000032:analysis; D016166:Free Radical Scavengers / Q000494:pharmacology*; D015227:Lipid Peroxidation / Q000187:drug effects; D008826:Microbial Sensitivity Tests; D010636:Phenols / Q000032:analysis; D035261:Plant Components, Aerial / Q000737:chemistry*; D051381:Rats; D017207:Rats, Sprague-Dawley; D031184:Sonchus / Q000737:chemistry*
chemical_list: D000900:Anti-Bacterial Agents; D000975:Antioxidants; D004365:Drugs, Chinese Herbal; D005419:Flavonoids; D016166:Free Radical Scavengers; D010636:Phenols