The perilla water drinking too much can easily lead to the leakage of the true qi in the body, and long-term use will lead to the gradual weakening of the physique. The main component of perilla leaves is perilla ketone which is a type of ketone compound with strong toxicity, especially on the lungs of the greatest harm. If a large number of these substances, easy to emphysema, and in severe cases there may be death.
Besides, perilla leaves also contain a large amount of oxalic acid, often taken will lead to the body deposits a large amount of oxalic acid, it is easy to lead to the nervous system as well as the digestive system is damaged, and in serious cases may damage the internal organs of the hematopoietic ability.
Expanded Information:
Perilla can not only sweat the cold in order to relieve the surface evil, but also can move the qi and broaden the middle, relieve the depression and vomiting, so for the wind-cold episodes and the symptoms of chest tightness and vomiting, the use of this product, it is very appropriate; or no episodes and the symptoms of stagnation of the qi, but also can be used for XuanTong. For example, it can be used with patchouli and chenpi to relieve symptoms and harmonize the middle, and with hemixia and thick park to relieve depression and broaden the chest.
For cold and wind-cold: Perilla can disperse cold, sweating force is stronger, used for wind-cold episodes, see cold, fever, no sweating and other symptoms, often with ginger; such as episodes of gas stagnation, there can be with Xiangsu, Chenpi, and so on. Used for chest, vomiting, etc.: Perilla used for spleen and stomach stagnation, chest, vomiting, regardless of whether there is no symptom, can be applied, are to take its role in moving qi broad, clinical often used with patchouli.
People's Health Network Health Channel - Perilla leaves in water to drink the efficacy and contraindications