Table 1. Comparison of general composition and specifications of cow milk, yoghurt Kefir, and soy milk used in this study

Category Name of products Name of company Ingredients and content (mg, g per 100 g or 100 mL)
Sodium (mg) Total carbohydrate (g) Total sugars (g) Total fat (g) Trans fat (g) Saturated fat (g) Cholesterol (mg) Protein (g) Calcium (mg)
Cow milk Konkuk milk Konkuk Dairy & Ham 50 4.6 4.6 3.8 0 2.5 15 3 100
Yoghurt Yoplait only 2 plain Binggrae Co. Ltd 52 4.4 3.2 4.1 0 2.5 15 3.3 100
Kefir Kefir 12 plain Maeil Dairies Co. Ltd 50 10 10 1.9 0 1.0 10 3 95
Soy milk Null-additive soybean milk Hanmi Healthcare Inc. 34 2.6 0.5 1.9 0 0.3 0 3.7 -