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KMID : 0664320140200020077
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Journal of the Korean Dietetic Association
2014 Volume.20 No. 2 p.77 ~ p.86
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Quality Characteristics of Soybean Milk Added with Stevia Leaf Powder
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Choi Soon-Nam
Joo Mi-Kyoung
Chung Nam-Yong
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Abstract
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This study was carried out to evaluate the effects of stevia (Stevia rebaudiana Bertoni) leaf powder on soybean milk quality. Soybean milk was prepared with the addition of 0.1 g (SP1), 0.2 g (SP2), 0.3 g (SP3), 0.4 g (SP4) of stevia leaf powder. The pH of soybean milk added with stevia leaf powders ranged from 7.90 to 7.98, whereas that of control was 7.88. The viscosity of soybean milk added with stevia leaf powder was 11.13¡12.71 cp while that of control was 11.09 cp. Soymilk added with stevia leaf powder yielded values of Hunter L (59.40¡64.94), a (￡7.63¡￡6.45), and b (18.71¡19.63), whereas that of control were 67.45, ￡4.74 and 20.13, respectively. There was decrease upon addition of stevia leaf powder. During storage, the pH, viscosity, L, and b values were decreased continuously. According to sensory evaluation, taste, and flavor of SP3 were better than the other groups. Quality characteristics between control and SP3 showed no significant differences. Therefore, this study showed the possibility of substituting 0.3 g of stevia leaf powder instead of sugar for creating a standard quality soybean milk with low calories. Upon the results of this study, it may be assumed that there are consequences positive responses to health-oriented consumers when using stevia leaf powder.
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KEYWORD
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stevia leaf powder, Stevia rebaudiana Bertoni, soybean milk, quality character
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