Detection of Beneficial Lactic Acid Bacteria (LAB) and Yeast In Sarawak Fermented Food
Sarawak native’s fermented food can be a catalyst for boosting the local economy in Sarawak. The Lactic Acid Bacteria (LAB) are generally regarded as safe, have a stability of usage, and originate from natural resources. Lactic acid bacteria and yeast work in synergy to provide a natural way to en...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Akademia Baru Publishing (M) Sdn Bhd
2021
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| Subjects: | |
| Online Access: | http://ir.unimas.my/id/eprint/36586/1/Elexson%20Nillian.pdf http://ir.unimas.my/id/eprint/36586/ https://www.akademiabaru.com/araset.html |
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| Summary: | Sarawak native’s fermented food can be a catalyst for boosting the local economy in Sarawak. The Lactic Acid Bacteria (LAB) are
generally regarded as safe, have a stability of usage, and originate from natural resources. Lactic acid bacteria and yeast work in
synergy to provide a natural way to enhance the nutritive value and flavour of the food. The study aims to investigate the presence
of potential probiotic Lactic Acid Bacteria (LAB) and yeast isolated from Sarawak fermented food. Two hundred fifty (n=250) of
samples including fifty (n=50) each sample such as fermented shrimps (cencaluk), fermented mustard vegetables (kasam ensabii),
fermented fish (kasam ikan), fermented dabai (Canarium odontophyllum) and fermented fish (rusip). Molecular identification of the
bacteria and yeast isolates was carried out by PCR amplification of the 16S rRNA (27F and 1492-R) and ITS (ITS5-F and ITS4-R) rRNA
region. The successfully amplified PCR products were sent for Sanger sequencing As a result, a total of 45.2% (113/250) Lactic Acid
Bcateria (LAB) which are 96% (48/50) of W. paramesenteroides was detected in fermented dabai, 80% (40/50) S. pasteuri in
fermented fish rusip samples and 50% (25/50) in P. agglomerans in cencaluk samples. Meanwhile, yeast Candida species; 90%
(45/50) of C. magnoliae and 50% (25/50) of C. parapsilosis are detected in fermented dabai and ensabi respectively. Based on the
findings, both yeast and bacteriocin-producing lactic acid bacteria found in the fermented food specifically in dabai. A better
understanding of microbial ecology can help the food industry to improve the foods in terms of quality and safety. The good quality
of the LAB and yeast in the food such as starter culture will enhance the texture and nutritional value and Sarawak fermented food
product found enriched with LAB. |
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