However, spinach and amaranth seen and eaten in daily life also contain porphyrin, so there is no need to panic. Pay attention to two points: First, don't eat too much, especially in the summer with strong sunshine; Second, don't expose yourself to the sun immediately after eating.
If you must buy fresh tremella, you should pay attention to the feel and smell of tremella, such as whether it is sticky or not, and whether it has the smell of mildew and corruption. If this happens, don't buy it.
Extended data:
Dried tremella retains most of the nutrients in tremella, including polysaccharides, vitamins, minerals and so on. Fresh tremella is not much better than dried tremella. Tremella fuciformis will be degraded greatly under the action of sunlight and ultraviolet rays even if there is a small amount of toxin pollution during drying.
Tremella is sweet, light, flat and non-toxic. Not only has the effects of invigorating spleen and appetizing, but also has the effects of invigorating qi, clearing intestines, nourishing yin and moistening lung. It can not only enhance human immunity, but also enhance the tolerance of tumor patients to radiotherapy and chemotherapy. Tremella fuciformis is rich in natural plant gum and has the function of nourishing yin. It is a good moisturizing food and can be taken for a long time.
References:
Baidu Encyclopedia-Tremella