In the hot summer, pitaya is on the market again. It is rich in nutrition, low in calories and high in fiber. It is the best choice for slimming in summer. Pitaya is rich in plant albumin, which is rarely found in ordinary fruits and vegetables. This active albumin will automatically combine with heavy metal ions in the human body and be excreted, thus playing a detoxification role. Moreover, the iron content in pitaya is higher than that of ordinary fruits. In addition, sesame-like seeds in pitaya have the function of promoting gastrointestinal digestion. Its juice has shown positive effects on tumor growth, virus infection and immune response inhibition. There are three main points in selecting pitaya: 1. Look at the color. When selecting pitaya, the redder the skin, the better, indicating that it is well cooked. 2. Try the weight. The heavier the pitaya, the more juice and full flesh, so when buying pitaya, you should weigh the pitaya by hand. The heavier the pitaya, the better. 3. Look at the appearance. A sweet and delicious pitaya should have bright color, smooth skin and no rot. At present, the pitaya sold in the market is divided into red pulp and white pulp, and the red pulp tastes better. The round shape is red pitaya, and the oval shape is white pitaya. The content of anthocyanin in red flesh pitaya is high, and it has stronger antioxidant, anti-free radical and anti-aging effects. ▲