Yogurt-like Product from Fermented Maize: Part II: Quality Improvement

Tien Cuong Nguyen1, , Van Gioi Nguyen1,2, Thi Hoai Duc Nguyen1, Hong Nga Luong1
1 Hanoi University of Science and Technology, No. 1, Dai Co Viet, Hai Ba Trung, Hanoi, Viet Nam
2 Thai Binh Division of Food Safety and Hygiene, No. 239, Hai Ba Trung, Thai Binh, Viet Nam

Main Article Content

Abstract

This study aimed to develop the method for stabilising the quality of fermented maize-based product by some technical solution. Three homogenisation pressures were applied (150, 200 and 250 bar). Then suspensions were mixed with xanthan and gellan gums separately with different concentrations ranging from 0.1 to 0.2%. Two flavours were tested: corn and milk flavours at concentration between 0.1 to 0.15%. The sediment height, pH, acidity, viscosity and sensory attributes were followed during storage time until 1 month. Results showed that the use of 250 bar of homogenisation pressure and 0.2% of gellan gum and with mixed corn-milk flavours at 0.1% gave the best quality of product. During one month of storage, no decantation was observed; the biochemical and sensory characteristics were maintained (pH≈4, acidity <3 g/L, viscosity 25 cP).

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References

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