EFFECT OF LACTIC ACID BACTERIA AS BIO-PRESERVATIONFFECT OF LACTIC ACID BACTERIA AS BIO-PRESERVATION AAGAINST SPOILAGE FUNGI FROM PAPAYA FRUITGAINST SPOILAGE FUNGI FROM PAPAYA FRUIT

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dc.contributor.authorNUR ILIDA MOHAMAD
dc.contributor.authorMUSAALBAKRI ABDUL MANAN
dc.contributor.authorMOHD IZWAN MOHD LAZIM
dc.contributor.authorNORRAKIAH ABDULLAH SANI
dc.date.accessioned2025-08-19T13:50:45Z
dc.date.available2025-08-19T13:50:45Z
dc.date.issued2025-08-24
dc.description.abstractLactic acid bacteria (LAB) produce several antibacterial compounds, including organic acids that inhibit many types of pathogenic bacteria. The antibacterial activity of LAB with the ability to inhibit growth of pathogenic bacteria associated with foodborne illness is seen as a natural way to improve food safety. This study was carried out to isolate and identify LAB from local pickled guava (Psidium guajava) and papaya (Carica papaya) and to evaluate their antibacterial activity against selected foodborne pathogens. Standard method was used for the isolation of LAB, while identificationwas done based on their morphological characteristics, biochemical reaction and polymerase chain reaction (PCR) amplificationof 16S rRNA gene and sequencing. This study evaluated the ability of cell free supernatant (CFS) of the identifiedLAB to inhibit the growth of selected Gram-positive and Gram-negative foodborne pathogens through microtiter plate method. Determination of the organic acids formation in the CFS that are responsible for the antibacterial activity of the LAB was also conducted using high-performance liquid chromatography (HPLC). The results showed that three LAB from the genus Lactobacillus have been successfully isolated and identifiedas Lactobacillus plantarum (LABP), Lactobacillus reuteri (LABR) and Lactobacillus paracasei (LABC). All three Lactobacillus sp. were able to demonstrate antibacterial activity against foodborne bacterial pathogens used in this study. The results also suggested that the antibacterial activity of CFS of all three Lactobacillus sp. was due to organic acids production.en_US
dc.identifier.urihttps://umt-ir.umt.edu.my/handle/123456789/22733
dc.language.isoenen_US
dc.publisherUniversiti Malaysia Terengganuen_US
dc.subjectLactic acid bacteriaen_US
dc.subjectcell free supernatanten_US
dc.subjectantibacterialen_US
dc.subjectpickled fruitsen_US
dc.subjectfoodborne pathogenen_US
dc.titleEFFECT OF LACTIC ACID BACTERIA AS BIO-PRESERVATIONFFECT OF LACTIC ACID BACTERIA AS BIO-PRESERVATION AAGAINST SPOILAGE FUNGI FROM PAPAYA FRUITGAINST SPOILAGE FUNGI FROM PAPAYA FRUITen_US
dc.typeArticleen_US
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