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Author: search.filters.author.Krusong, WarawutSubject: search.filters.subject.Absorbents

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    Item type:Publication,
    Phenolic enrichment of Ma-Kieng seed extract using absorbent and this enriched extract application for safety control of fresh-cut cantaloupe
    (2019-06-01)
    Tantratian, Sumate
    ;
    Balmuang, Nunthanics
    ;
    Krusong, Warawut
    The study aimed to investigate the antimicrobial effects of the Ma-kieng seed extract after treatments with different absorbents and the application on inhibition of microbial contaminants on fresh-cut cantaloupe. The phenolic compounds of MKSE were absorbed and desorbed with Diaion<sup>®</sup> HP-2MG, polyvinyl-polypyrrolidone and powdered activated carbon. The HPLC analysis of treated products showed the increase in flavonoid content except the treatment with powdered activated carbon, increased in phenolic content. All phenolic enriched extract showed increasing in antimicrobial activity efficacy. The phenolic compounds enriched extract with Diaion<sup>®</sup> and powdered activated carbon demonstrated the improvement in antimicrobial efficacy up to 4 times. Soaking in the 1 MBC equivalent of enriched extract solution for 2 min was able to reduce 1 log CFUg<sup>−1</sup> of the spiked bacteria from the surface of fresh-cut cantaloupe and to control the number of tested bacteria during cold storage.