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Function and efficacy of lotus heart
Lotus heart refers to the core of the lotus, which has the effect of clearing heart fire, calming liver fire, stopping bleeding and fixing essence.

Trait identification: dry lotus heart, slightly rod-shaped, 1.2 ~ 1.6 cm, the top green, with two divergent, one long and one short, the apex reflexed, close to each other, softened with water and then unfolded, can be seen in two pieces of peltate curls of the young leaves.

The central radicle is erect, about 2 mm long. The basal radicle is yellowish green, slightly cylindrical, 2-4 mm long. The texture is brittle, easy to break, the section has most small holes. Gas is absent, bitter taste. To a large, color green, uncooked is good, stored in dry containers, airtight, in a ventilated dry place, mildew, moth-proof.

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Extended information:

When harvesting the lotus seed in the fall, the seed is peeled open, and the green embryo (the lotus heart) is taken out, which is the core of the lotus, which is ellipsoid or ovate, 1.8-2.5 centimeters in length, and the fruit leathery, hard, and blackish-brown when it is ripe; Seeds (lotus seed) ovoid or oval, 1.2-1.7 cm long, seed coat red or white, flowering period June-August, fruiting period August-October.

Flower color is rich, mainly red, pink, white, green, yellow, etc. Flower type is mainly single, multi-petal, heavy and thousand petals. The leaves are dark green or yellowish green, peltate throughout, with wax adhering to the surface, so it is difficult for water to adsorb onto them and they are in the form of water droplets.

The underground stem and petiole of the lotus have aeration holes, which is mainly the result of the lotus adapted to the growth of the water environment. The terminal bud at the top of the lotus underground stem, also known as the root thatch, which gives rise to a new underground stem internode, is known as the root band.

Reference:

/baike.baidu.com/item/ %E8%8E%B2%E8%8A%AF/4588463?fromtitle=%E8%8E%B2%E5%BF%83&fromid=9137605&fr=aladdin#7 "target="_blank "title="Baidu Encyclopedia---Lotus Core">Baidu Baidu Encyclopedia - Lotus Core