The Indian Journal of Nutrition and Dietetics

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Household Processing Practices of Milk and Cottage Cheese:Implications for Vitamin A Retention


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1 Department of Food and Nutrition, Lady Irwin College, Sikandra Road, New Delhi-110001, India
     

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Milk and milk products are excellent sources of several important nutrients including retinol in the diets of young children. Household processing practices followed by the mothers (n=400) of young children (1-9 yrs) of Delhi were assessed using an interview schedule. The effect of boiling on the retinol content in milk and frying cottage cheese on the retinol content was assessed using HPLC. All households were boiling milk before consumption. Increasing the time period of boiling from 2 to 10 minutes did not lead to any significant losses (5 to 9%) of retinol in milk. About 10.32% of reduction in retinol content was observed in the milk which was boiled, cooled in refrigerator and cream was removed before consumption. However, children preferred removing the creamy layer formed on boiled, cooled milk before consumption which led to significant loss of 28.43% retinol especially if milk was stored overnight in refrigerator (p<0.05). In cottage cheese, sauteing led to insignificant loss of 5.80% in the retinol content while deep frying led to 15.78% of significant reduction in retinol (p<0.05). Consuming milk immediately with cream after boiling or homogenising milk with cream after storage will retain most of the vitamin A. Sauteing is preferred over deep fat frying cottage cheese for different preparations for better retention.

Keywords

Milk, Cottage Cheese, Retinol Retention, Boiling, Frying.
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  • Household Processing Practices of Milk and Cottage Cheese:Implications for Vitamin A Retention

Abstract Views: 338  |  PDF Views: 1

Authors

Richa Pritwani
Department of Food and Nutrition, Lady Irwin College, Sikandra Road, New Delhi-110001, India
Pulkit Mathur
Department of Food and Nutrition, Lady Irwin College, Sikandra Road, New Delhi-110001, India

Abstract


Milk and milk products are excellent sources of several important nutrients including retinol in the diets of young children. Household processing practices followed by the mothers (n=400) of young children (1-9 yrs) of Delhi were assessed using an interview schedule. The effect of boiling on the retinol content in milk and frying cottage cheese on the retinol content was assessed using HPLC. All households were boiling milk before consumption. Increasing the time period of boiling from 2 to 10 minutes did not lead to any significant losses (5 to 9%) of retinol in milk. About 10.32% of reduction in retinol content was observed in the milk which was boiled, cooled in refrigerator and cream was removed before consumption. However, children preferred removing the creamy layer formed on boiled, cooled milk before consumption which led to significant loss of 28.43% retinol especially if milk was stored overnight in refrigerator (p<0.05). In cottage cheese, sauteing led to insignificant loss of 5.80% in the retinol content while deep frying led to 15.78% of significant reduction in retinol (p<0.05). Consuming milk immediately with cream after boiling or homogenising milk with cream after storage will retain most of the vitamin A. Sauteing is preferred over deep fat frying cottage cheese for different preparations for better retention.

Keywords


Milk, Cottage Cheese, Retinol Retention, Boiling, Frying.

References