It is a normal phenomenon, do moldy tofu and curd is to add red, so it will appear red.

Moldy tofu can usually be divided into white, red, green three: white moldy tofu in the production of red currant, so that it maintains its original color; moldy tofu billet with red currant that red moldy tofu; green moldy tofu refers to the stinky moldy tofu, also known as the green side, which in the process of pickling added to the bitter syrup water, brine, was soybean green color.

Moldy tofu in the production process of fermentation, protease and bacteria attached to the skin slowly penetrate into the interior of the tofu billet, and gradually decomposition of proteins into a variety of amino acids and free fatty acids, after a period of time, the fluffy and delicate curd is ready, the taste is delicious and appetizing.

Nutritional value of moldy tofu:

Moldy tofu is rich in a variety of amino acids, proteins, carbohydrates and minerals that the human body needs. Every 100 grams of curd protein contains isoleucine 4.8 grams, leucine 8.8 grams, lysine 7.0 grams, methionine 0.7 grams, phenylalanine 4.6 grams, threonine 2.0 grams, tryptophan 0.6 grams, valine 5.3 grams. It also contains minerals such as calcium and phosphorus.

Stinking curd is rich in vitamin B12, some varieties can contain 10 mg of vitamin B12 per 100 grams, and each person needs 1-3 mg of vitamin B12 per day. Regular consumption can not only supplement vitamin B12, but also prevent Alzheimer's disease.

Expanded Information:

Moldy tofu the right way:

Preparation of the materials:

Preparation of the materials:

Materials:< /p>

Main ingredient: tofu 500g?

Auxiliary ingredients: salt 80g, 20g dried chili peppers, a high degree of white wine 40ml

Specific steps:

1, the old tofu ready to soak in water for a thirty minutes or so, and then drench dry

2, cut the tofu into the right size block, placed in the steam drawer, and then covered with saran wrap, placed in a warm place to let it mold.

3, about a week, the surface of the tofu becomes yellow, and there is a layer of mucus so it is good, if it is black is not.

4, dried chili pepper with a cooking machine into the end.

5, the chili pepper and salt mix, with a clean container with the right amount of high white wine.

6, all the tofu over a high degree of white wine, and then dip the white wine dipped tofu evenly dipped in chili seasoning;

7, into the tile altar can be, continue to ferment for about a week can be eaten.

8, the finished product on the plate, like can also add a little sesame oil to enhance the flavor.

Baidu Encyclopedia - Moldy Tofu