Phosphatase Activity of Microbial Populations in Different Milk Samples in Relation to Protein and Carbohydrate Content

  • Sosanka Protim SANDILYA Biotechnology Division, Central Muga Eri Research & Training Institute, Central Silk Board, Jorhat, Assam
  • Anuradha GOGOI Sivasagar Regional Laboratory cum Office, Pollution Control Board Assam, Assam
  • Pinky Moni BHUYAN Biotechnology Division, Central Muga Eri Research & Training Institute, Central Silk Board, Jorhat, Assam
  • Dip Kumar GOGOI Central Muga Eri Research & Training Institute, Central Silk Board, Jorhat, Assam

Abstract

Cattle milk is a rich source of protein, carbohydrate, vitamins, minerals and all other major and micro nutrients. At a moderate pH, milk is an excellent media for the growth of microbes and thus, intake of raw milk is precarious. In this study, attempt was made for a qualitative study of eight raw milk samples of different varieties of cow and goat milk, collected from Jorhat district of Assam, India, on the basis of nutritional value and microbial population. The highest microbial population was found in the milk collected from cross hybrid variety of cow, whereas microbial contamination was the least in Jersey cow milk. Samples of C1 (Jersey cow) variety showed presence of the highest amount of protein and carbohydrate content as compared to the others. Almost all the milk samples showed positive acid and alkaline phosphatase activity. Maximum acid phosphatase activity was observed in cross hybrid cow milk, whereas local cow milk exhibited the highest alkaline phosphatase activity. Phosphatase activity did not show any co-relationship with microbial population of the milk samples. Similarly, the protein and carbohydrate content of the samples did not have any significant impact on both acid and alkaline phosphatase activity.

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Author Biographies

Sosanka Protim SANDILYA, Biotechnology Division, Central Muga Eri Research & Training Institute, Central Silk Board, Jorhat, Assam
JUNIOR RESEARCH FELLOW BIOTECHNOLOGY SECTION CENTRAL MUGA ERI RESEARCH AND TRAINING INSTITUTE, CENTRAL SILK BOARD, LAHDOIGARH, JORHAT, ASSAM, INDIA
Anuradha GOGOI, Sivasagar Regional Laboratory cum Office, Pollution Control Board Assam, Assam
ENVIRONMENTAL SCIENTIST SIVASAGAR REGIONAL LABORATORY CUM OFFICE, POLLUTION CONTROL BOARD OF ASSAM, SIVASAGAR-785640, ASSAM, India
Pinky Moni BHUYAN, Biotechnology Division, Central Muga Eri Research & Training Institute, Central Silk Board, Jorhat, Assam
JUNIOR RESEARCH FELLOW BIOTECHNOLOGY SECTION CENTRAL MUGA ERI RESEARCH AND TRAINING INSTITUTE, CENTRAL SILK BOARD, LAHDOIGARH, JORHAT, ASSAM, INDIA
Dip Kumar GOGOI, Central Muga Eri Research & Training Institute, Central Silk Board, Jorhat, Assam
SCIENTIST BIOTECHNOLOGY SECTION CENTRAL MUGA ERI RESEARCH AND TRAINING INSTITUTE, CENTRAL SILK BOARD, LAHDOIGARH, JORHAT, ASSAM, INDIA
Published
2014-12-08
How to Cite
SANDILYA, S. P., GOGOI, A., BHUYAN, P. M., & GOGOI, D. K. (2014). Phosphatase Activity of Microbial Populations in Different Milk Samples in Relation to Protein and Carbohydrate Content. Notulae Scientia Biologicae, 6(4), 465-469. https://doi.org/10.15835/nsb649338
Section
Research article