What major allergen do miso, natto, shoyu, and tempeh contain?

Miso, natto, shoyu (soy sauce), and tempeh are all fermented products that are made from soybeans. As a major allergen, soy can trigger allergic reactions in sensitive individuals. Soy is a common ingredient in various cuisines, especially in Asian dishes, and is often found in both whole form and as part of processed foods.

Understanding the ingredients in these foods is critical for those with soy allergies, as they should avoid these products to prevent allergic reactions. While the other allergens listed (milk, wheat, and peanuts) are also significant, they do not apply to these specific fermented soybean products, which are primarily associated with soy. Therefore, recognizing soy as a major allergen in miso, natto, shoyu, and tempeh is essential for food safety and allergen management.