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Articles by V. Venkataramanujam
Total Records ( 2 ) for V. Venkataramanujam
  P. Selvan , R. Narendra Babu , S. Sureshkumar and V. Venkataramanujam
  A study on microbial quality of commercially available beef, pork, mutton and chicken products in Chennai city was conducted. A total of 36 samples were analyzed for Total Viable Count (TVC), psychrotrophs, anaerobes, staphylococci, streptococci, coliforms and Salmonella. The mean total viable count was significantly greater in mutton products than all other products studied. The mean psychrotrophic count was significantly lesser in pork products than other products studied. The mean anaerobic and coliform counts of beef and mutton products did not differ significantly. However, the mean anaerobic counts of both mutton and beef products were significantly higher than that of both pork and chicken products. The mean staphylococcal count of pork products was significantly lesser than beef and mutton products. The mean streptococcal count of pork products was significantly lesser than mutton and chicken products. Mutton products showed the highest microbial counts in all the microbial quality parameters except total viable count and anaerobic count. Chicken products recorded the lowest total viable count and anaerobic count. Based on the microbial quality assessment, pork products were found to be better in comparison with other meat products.
  S. Sureshkumar , V. Venkataramanujam , K. Dushyanthan and A. Kalaikannan
  The study was undertaken to find the effect of water activity on buffalo sausage quality and storage stability at ambient temperature. Water activity (aw), temperature and pH have been identified as the three primary factors controlling microbial growth. The water activity of the buffalo meat sausage (treated) was adjusted to 0.88 by addition of humectants viz., salt, sugar, ISP, HVP, sodium lactate and subsequent heat treatment while the aw of the untreated sausage was 0.932. Tyrosine value showed a significant increase throughout the storage periods. There was a marked but not significant decrease in the TBARS number of the treated samples. On 5th day, the TBARS value of the treated sausages exceeded the threshold limit of 2 mg kg-1 resulting in the spoilage. The treatment had a significant inhibitory effect on the TVC, Staphylococcal count and Streptococcal count and anaerobic count. Whereas in case of coliform and yeast mould count it had no significant effect. On the third day of storage the flavour and texture, juiciness and over acceptability scores were well within the acceptable range. Whereas in the case of untreated samples there was a slime formation and off odour development on the 3rd day of storage. Although the sensory score (over all acceptability) of the treated samples were scored less (p>0.05), the product was acceptable upto 3rd day storage whereas the untreated samples spoiled after 1st day of storage.
 
 
 
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