Asian Journal of Home Science

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Assessment of Milk Clotting Activities of Plant Latex


Affiliations
1 Department of Home Science (food and Nutrition) Banaras Hindu University, Varanasi, U.P., India
2 Department of Medicinal Chemistry, Institute of Medical Sciences (b.h.u.) Varanasi, U.P., India
     

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A number of proteolytic enzymes are widely employed in food industries for cheese manufacture. The coagulant which is widely used in cheese production or manufacturing of cheese is animal rennet, which contains chymosin, an asparatic protease which is responsible for milk clotting. Thus, there's a need for the identification of a milk clotting enzyme from other sources that can meet the industrial demand of rennet. In this context, the present investigation was carried out in order to extract a milk clotting enzyme from different plant sources which can be utilized in cheese production. Three plants, Carica papaya, Euphorbia splendens and Musa paradasica belonging to the families Annonaceace, Euphorbiaceae and Musaceae were examined for the presence of proteinases in the present study. The proteinase activity was estimated by determining the milk clotting property of crude latex by identifying specific activity through their partial purification. The results indicated that Carica papaya plant latex had the highest milk clotting activity (2006.20 3.77 U/ ml) than Musa paradasica (187.19 4.44U/ml) and minimum in Europhorbia splendens (105.20 4.15 U/ ml) (p =0.01). SDS-PAGE analysis of the plant latex exhibiting maximum milk clotting activity displayed 5 bands ranging from 14.3 KD to 97.4 KD.

Keywords

Milk Clotting Enzyme, Sds-page, Plant Latex, Carica Papaya, Musa Paradasica, Euphorbia Splendens
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  • Assessment of Milk Clotting Activities of Plant Latex

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Authors

Upasana
Department of Home Science (food and Nutrition) Banaras Hindu University, Varanasi, U.P., India
Archana Chakravarty
Department of Home Science (food and Nutrition) Banaras Hindu University, Varanasi, U.P., India
Adya Chaturvedi
Department of Medicinal Chemistry, Institute of Medical Sciences (b.h.u.) Varanasi, U.P., India
Y. B. Tripathi
Department of Medicinal Chemistry, Institute of Medical Sciences (b.h.u.) Varanasi, U.P., India

Abstract


A number of proteolytic enzymes are widely employed in food industries for cheese manufacture. The coagulant which is widely used in cheese production or manufacturing of cheese is animal rennet, which contains chymosin, an asparatic protease which is responsible for milk clotting. Thus, there's a need for the identification of a milk clotting enzyme from other sources that can meet the industrial demand of rennet. In this context, the present investigation was carried out in order to extract a milk clotting enzyme from different plant sources which can be utilized in cheese production. Three plants, Carica papaya, Euphorbia splendens and Musa paradasica belonging to the families Annonaceace, Euphorbiaceae and Musaceae were examined for the presence of proteinases in the present study. The proteinase activity was estimated by determining the milk clotting property of crude latex by identifying specific activity through their partial purification. The results indicated that Carica papaya plant latex had the highest milk clotting activity (2006.20 3.77 U/ ml) than Musa paradasica (187.19 4.44U/ml) and minimum in Europhorbia splendens (105.20 4.15 U/ ml) (p =0.01). SDS-PAGE analysis of the plant latex exhibiting maximum milk clotting activity displayed 5 bands ranging from 14.3 KD to 97.4 KD.

Keywords


Milk Clotting Enzyme, Sds-page, Plant Latex, Carica Papaya, Musa Paradasica, Euphorbia Splendens

References