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International Journal of Food and Fermentation Technology
Year : 2016, Volume : 6, Issue : 1
First page : ( 163) Last page : ( 176)
Print ISSN : 2249-1570. Online ISSN : 2277-9396.
Article DOI : 10.5958/2277-9396.2016.00039.8

Development and Characterization of Greek Probiotic Dahi Fortified with Pomegranate Pulp

 Reeta1, Kumar Sudhir1, Nimmanapalli Ramadevi2,,*

1Center of Food Science & Technology, IAS, Banaras Hindu University (BHU), Varanasi – 221 005, India

2Department of Veterinary Microbiology, Faculty of Veterinary and Animal Sciences, IAS, BHU, Varanasi, India

*Corresponding author: ramadevi.nimmanapalli@gmail.com

Online published on 10 November, 2016.

Abstract

Dahi is an indigenous Indian fermented milk product and is a good source of B vitamins, proteins, and calcium. Different types of Dahi such as sweet and flavored Dahis are found in the markets but value added products like that of its counterpart yoghurt such as fruit yoghurt are not available. Hence, Probiotic Greek (strained) Dahi fortified with pomegranate pulp has been developed and compared with traditional Dahi. Its physico-chemical, microbiological characteristics, shelf-life and sensory acceptance of all these products was made. Initially four dahi formulations were prepared: traditional Dahi, probiotic Dahi, Greek Dahi and probiotic Greek Dahi and analysed. Probiotic Greek Dahi had significantly decreased pH, moisture and reducing sugar and increased acidity, TSS, fat, protein and antioxidant compared to all the three dahis. The probiotic greek dahi was selected and was fortified with varied amount of pomegranate pulp. Probiotic Greek Dahi with 20% the pomegranate pulp had significantly decreased pH, but titratable acidity, fat, total solid, reducing sugar, carbohydrate and ash percentage were significantly increased compared to the control probiotic Greek Dahi. All the Dahi samples up to 24 days of storage showed acceptable pH and acidity values. Microbiologically, Dahi samples were stable with satisfactory quality for consumption. Probiotic Greek Dahi with 20% pomegranate pulp showed the highest quality acceptance by consumers. Greek Probiotic Dahi fortified with pomegranate pulp is a nutritions food with high acceptance by consumers.

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Keywords

Greek dahi, probiotic, pomegranate pulp, antioxidant activity, curd.

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