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Articles by P. Selvan
Total Records ( 2 ) for P. Selvan
  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.
  P. Selvan , S.K. Mendiratta , K. Porteen and K.N. Bhilegaonkar
  A study was carried out to determine the influence of different concentration and contact time combinations of lactic acid solutions on microbial, sensory and physico-chemical characteristics of buffalo offals viz., head meat, heart, liver and rumen. The following concentration and contact time combinations were used: 1% lactic acid for 20 sec, 1.5% lactic acid for 15 sec and 2% lactic acid for 10 sec. A total of 80 buffalo offal samples (20 numbers of each kind) were collected from a buffalo offal market and subjected to immersion treatments. Water washed offal pieces were used as controls. Sensory evaluations were conducted using a sensory panel comprising postgraduate students and scientists of Livestock Products Technology division, Indian Veterinary Research Institute (India). The data obtained were subjected to statistical analysis using the Analysis of Variance (ANOVA). Mean log10 reductions (CFU g 1) achieved, based on the different treatments and kinds of buffalo offal were between 0.22 and 1.05 for total viable counts; 0.22 and 1.19 for coliforms counts and 0.25 and 0.98 for staphylococcal counts. Immersion in 2% lactic acid solution for 10 sec gave the best overall reduction effect. Sensory evaluations recorded minimal effects of treatments on buffalo offals. These findings show that immersion in 2% lactic acid for 10 sec is suitable for decontamination of Buffalo Offals.
 
 
 
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