Development of Non-Dairy Milk Using Cowpea (Vigna unguiculata) and Sesame (Sesamum indicum) Treated with Different Processing Methods
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Date
2016
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Uva Wellassa University of Sri Lanka
Abstract
Non-dairy milk is a fast-growing food category among the consumers who are looking for nutritious vegan products as a solution for lactose intolerance and allergic to the milk proteins. Plant-based milk alternatives are a rising trend, which can serve as an inexpensive alternate to poor economic group of developing countries and in places, where cow's, milk supply is insufficient. They are designed to have a similar look, feel, taste, and shelf life as cow's milk so that they can be used in similar applications. The present study was carried out to identify the best processing method and to develop a non¬dairy milk using cowpea (Vigna unguiculata) and sesame, (Sesamum indicum) blends. Three processing methods as dry, roasting, germination used to prepare the non-dairy milk treatments with cowpea and sesame blends. Among three processing methods, roasting method was selected as the best processing method based on sensory scores. A ratio of 7:3 was identified as the best combination ratio of the cowpea and sesame to extract milk. Further, reduction of the leguminous flavor was done using a base treatment. The prepared cowpea and sesame incorporated milk was analyzed for sensory, proximate and physicochemical properties. Fresh milk was served as the reference sample. Moisture, crude protein, fat and ash content of the selected plant milk product was 92.06%, 1.25%, 2.63%, 0.68% respectively. The pH value of the plant milk sample was measured at Pt,
2nd, 4th 6th 7th 1 1 th, 13th, 1 A4+ th
and 21st days and varied between 7.13-7.10. Physicochemical properties of the developed plant milk were less than the values in fresh milk. In conclusion, a significant difference (p<0.05) was observed in cowpea and-sesame blend than that of fresh milk in terms of organoleptic properties.
Key words: non-dairy, roasting, plant milk, pH, vegan
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Animal Science Degree Programme