1. Antioxidant and antibacterial activity of six edible wild plants (Sonchus spp.) in China
- Author
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Dao-Zong Xia, Zhuo-Ying Zhu, Zhuang-Dan Zou, and Xin-Fen Yu
- Subjects
China ,DPPH ,Flavonoid ,Plant Science ,Microbial Sensitivity Tests ,Biochemistry ,Sonchus arvensis ,Antioxidants ,Analytical Chemistry ,Rats, Sprague-Dawley ,chemistry.chemical_compound ,Sonchus ,food ,Phenols ,Botany ,Animals ,chemistry.chemical_classification ,Flavonoids ,ABTS ,biology ,Traditional medicine ,Bacteria ,Vibrio parahaemolyticus ,Organic Chemistry ,Free Radical Scavengers ,Plant Components, Aerial ,biology.organism_classification ,food.food ,Anti-Bacterial Agents ,Rats ,Sonchus oleraceus ,chemistry ,Lipid Peroxidation ,Antibacterial activity ,Drugs, Chinese Herbal - 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.
- Published
- 2011