Evaluation of Antioxidant and Antimicrobial Activities of Tropical Fruit Peel Extracts and Their Application as Preservative in Mayonnaise

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Evaluation of Antioxidant and Antimicrobial Activities of Tropical Fruit Peel Extracts and Their Application as Preservative in Mayonnaise

Agung, Mascellia Tifanny - Personal Name; Santoso, Filiana - Personal Name; Sutanto, Hery - Personal Name;

The ethanolic peel extract of five different fruits i.e. mangosteen, custard apple, passion fruit, pomelo and rambutan were analyzed for their antioxidant activity, total phenolic content, flavonoids content, proanthocyanidins content, cytotoxicity, and antimicrobial activity. the antioxidant activity analysis was done using DPPH radical scavenging method. Rambutan was found to have the highest antioxidant activity. Moreover, the antioxidant stability was observed over a six-week storage period at 4oC. Pomelo was found to be the fruit with the most stable antioxidant compounds. the highest total phenolic content was found in rambutan peel extract. Whereas, the highest flavonoids and proanthocyanidins contents were found in mangosteen peel extract. the cytotoxicity of the fruit peel extracts was also examined, where custard apple and passion fruit were found to exhibit the highest cytotoxicity potential. the antimicrobial activity of all fruit peel extracts was assessed using broth macrodilution method against Salmonella sp. Custard apple, passion fruit and pomelo peel extracts were then applied to mayonnaise product as preservatives as they have the strongest antimicrobial activity. the TPC result showed no preservative ability of the fruit peel extracts could be found. the stability of the antimicrobial activity of the fruit peel extracts was examined at room temperature over four days of storage period. It was found that the antimicrobial agents of pomelo was the most stable among those three extacts.

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B01765 (Rack Thesis) Available

Detail Information

Series Title: -
Call Number: 1765
Publisher: : Swiss German University., 2014
Collation: -
Language: English
ISBN/ISSN: -
Classification: NONE
Content Type: -
Media Type: -
Carrier Type: -
Edition: -
Subject(s): FT
Antioxidant
Antimicrobial
Fruit peels
Ethanolic extract
Mayonnaise
Cytotoxicity
Specific Detail Info: -
Statement of Responsibility: -

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