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Total records found : 1
Simplified search suggestions : Wong Jun Xian
12022
thesis
Investigation of antimicrobial, antioxidant and toxicity analyses of Centella asiatica as potential fresh-cut produces preservative
Wong, Jun Xian
Investigation of antimicrobial, antioxidant and toxicity analyses of Centella asiatica as potential fresh-cut produces preservative were conducted. The aims of this study are antimicrobial and antioxidant activities of C. asiatica extracts; to determine the toxicity study of C. asiatica extract using the brine shrimp lethality assay (BSLA) and to determine the effectiveness of C. asiatica extract as a potential natural food additive on different types of fresh-cut fruits and vegetables (FCFV). The antimicrobial, antioxidant and toxicity assessments of C. asiatica extracts were then assayed based on the solvents (ethanol, methanol, water and hexane) and investigating of total phenolic content (TPC) and total flavonoid content (TFC). Results of objective-1 showed ethanolic extract recorded the highest extraction yield (14.7%), TPC (69.54 mg GAE/g) and TFC (13.90 mg QE/g). The ethanolic extract also exhibited the highest readings in disc diffusion assay (13.50 mm inhibition zo.....

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