Diyu is not only a good medicine for treating diseases and saving lives, but also a good way to nourish the body. It has numerous functions, including anti-inflammatory, hemostatic, and astringent effects. Let's take a look at the identification method of Diyu together!
Image of Diyu
[Introduction to Diyu Huanglian Powder]
Composition:
Diyu (half liang, lightly roasted, grated), Huanglian (half liang, remove the roots, lightly fried), Muxiang (half liang), Danggui (3 fen, grated, lightly fried).
Method of production:
Coarse powder.
Main functions and indications:
Pediatric dysentery, loss of appetite, and weak limbs.
Usage and dosage:
Take 1 qian (approx. 3 grams) per dose, with a small cup of water. Simmer until reduced to 5 minutes, remove the residue, and consume warm regardless of time.
[Identification method of Diyu]
Red Diyu is mainly harvested in late autumn, washed, and the roots are removed. Slice and dry in the sun. The capsule of red Diyu is beak-shaped and curls and splits upward from the base after maturity, with the seeds hanging on the stigma.
Red Diyu blooms in summer. Its dry roots have a dark brown outer skin and a purple inner skin, with many wrinkled and shriveled textures and root marks.
The medicinal material is mostly diagonally sliced, with a length of about 2.5 cm and a width of about 1-1.5 cm, and a thickness of about 2-5 mm. The cut surface is yellow-brown, and the wood and bark are often separated, with the color of the core part being darker.
Red Diyu is easy to break and the cross-section is powdery. It has no odor and a bitter taste. Red Diyu with purple skin and yellow core is preferred.
[Contraindications of Diyu]
Chinese medicine believes that Diyu is cold, sour, and astringent. It should be used with caution in cases of deficiency-cold bleeding or stasis. For patients with extensive burns, it is not suitable to use Diyu preparation externally to prevent the absorption of tannins and the occurrence of toxic hepatitis.
1. "Ben Cao Jing Ji Zhu": "It is good for hair loss, but not suitable for Mai Men Dong."
2. "Ben Cao Yan Yi": "It is not suitable for people with deficiency-cold constitution, water diarrhea, and white dysentery."
3. "Yi Xue Ru Men": "It is forbidden for people with deficiency-cold dysentery. It should not be used for early-stage hot dysentery to prevent astringency."
4. "Ben Cao Jing Shu": "It is forbidden for patients with deficiency-cold postpartum hemorrhage and spleen deficiency diarrhea."
5. "Ben Cao Hui Yan": "It is forbidden for patients with long-lasting abscesses and weak yang and blood disorders."
6. "Ben Jing Feng Yuan": "It is also forbidden for patients with qi deficiency and prolapse with uterine bleeding, long-lasting dysentery, and purulent blood stasis that is not fresh. It can harm the stomach and excessive consumption can cause mouth stiffness and loss of appetite."
