The starch contained in towel gourd is oxidized when it comes into contact with air, which leads to blackening. In order to prevent the towel gourd from turning black, don't cook it for too long. In addition, soak the cut and washed loofah in light salt water for about five minutes. Never cook the loofah in an iron pan. When frying the loofah, put salt into the pot quickly. These methods are all good ways to effectively prevent loofah from turning black.

Luffa is an easy food to cook. Generally speaking, cut it into pieces and boil it in water for about 15 minutes, and it can be cooked thoroughly. Usually when it is soft and slippery, it can be served. Many people want to pursue the soft and rotten taste of loofah, but if the loofah is cooked for too long, it will easily lose a lot of nutrients, so from the nutritional value, cooking 15 minutes is about the same.

Matters needing attention in purchasing loofah

1, choose light color: the lighter and more tender the ripe loofah, the older the darker the loofah.

2, choose a smooth epidermis: the epidermis lines are small, smooth and tender, and the more prominent the loofah, the older it is.

3. Choose long, straight and smooth: hold the root of the loofah. The tall and straight loofah with small curvature is tender. The greater the curvature, the older the loofah.

4, the player feels strong: pinch by hand. It feels firm and slightly elastic when pinched, indicating that it is relatively fresh. If it is soft, it is probably empty. This towel gourd is too old.

The above contents refer to Baidu Encyclopedia-Luffa.