Presence of E.coli and Salmonella spp in polymesoda expansa (CLAM) sampled in Sungai Sarawak
Recently, there are increasing interests on studies of microbial contamination in seafood. Indicator microorganisms are a group of organisms that are used to suggest the presence of pathogens. Clams are used as the species of seafood in this study. Presence of the indicator organisms (Escherichia...
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| Main Author: | |
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| Format: | Final Year Project Report |
| Language: | English |
| Published: |
Universiti Malaysia Sarawak, (UNIMAS)
2012
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| Subjects: | |
| Online Access: | http://ir.unimas.my/id/eprint/8218/5/Dyg.%20Syafiznur%20Aisyah%20Binti%20Abg.%20Ya%27kub%20ft.pdf http://ir.unimas.my/id/eprint/8218/ |
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| Summary: | Recently, there are increasing interests on studies of microbial contamination in seafood. Indicator
microorganisms are a group of organisms that are used to suggest the presence of pathogens.
Clams are used as the species of seafood in this study. Presence of the indicator organisms
(Escherichia coli and Salmonella) were determined in clams sampled from Sungai Sarawak at
three sites, Sungai Sabang, Sungai Santubong and Sungai Tabo. The presence of the
microorganisms were determined by morphological characteristic and biochemical test, such as the
use of selective agar, MRVP test, Indole test, Citrate Test and Motility test. In addition, the quality
of seafood was also determined by comparing the standard plate count of the seafood with the
standard from ICMSF. River water of Sungai Sarawak was determined by comparing the water
taken from Sungai Sarawak with the standard from INWQS. In this study, Sungai Sabang and
Sungai Santubong has been determined as in Normal Raw Water Quality as having average count
of 1.47 x 102 and 1.88 x 102 respectively while Sungai Tabo showed as Excellent Water Quality as
having average count of 0.64 x 102
• Food count showed that all samples from the three sites are of
104 104 Good Quality Product, with average count of 2.56 x (Sungai Sabang), 4.19 x (Sungai
Santubong) and 1.83 x 104 (Sungai Tabo). The level of indicator microorganisms in the water and
seafood are shown to be within the standard limit (3x102 for INWQS and 5xl05 for ICMSF). |
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