Lotus heart is the center part of the lotus seed, soaking water to drink can play a role in supplemental nutrition, improve health. The following is the efficacy and contraindication wikipedia:

Efficacy:

1. Nourish the heart and kidneys: the heart of the lotus seed is rich in protein, sugar, vitamin B and other nutrients, the heart and kidneys have a nourishing effect.

2. Tranquilizing the mind: lotus seed heart contains a large amount of calcium, iron and other minerals, which can ease the nervous system, helping to sleep peacefully.

3. Delay aging: lotus seed heart is rich in antioxidant substances, which can scavenge free radicals and delay the aging of the body.

Contraindications:

1. Lotus heart is warm, easy to fire, cold spleen and stomach, dry mouth and thirst, frequent urination and bitterness, constipation should be used with caution.

2. Lotus heart contains ellagic acid, excessive consumption can easily lead to constipation.

3. Lotus seed center contains amylase inhibitors, excessive consumption will affect the digestive function.

4. Lotus heart is prone to mold and deterioration, it is recommended to be stored in a dry, ventilated, cool place, avoid direct sunlight.