Shu Di Huang (Rehmannia Glutinosa)
Tonifies the kidneys and nourishes the blood
Benefits the marrow and fills the fluids
Darkens hair and prevents greying
Shu Di Huang is the dried tuber of Rehmannia glutinosa, processed through specific methods. It is sweet and slightly warm, entering the liver and kidney meridians, with a soft and moist texture. The liver stores blood, and the kidneys store essence; essence and blood share the same source. Shu Di Huang excels in generating blood and is a key herb for blood tonification, used to treat various symptoms of blood deficiency, such as pale complexion, palpitations, dizziness, and tinnitus. Shu Di Huang enters the kidneys, providing excellent nourishment for kidney yin, commonly used for symptoms of kidney yin deficiency such as lower back and knee weakness, tidal fever, night sweats, and internal heat leading to thirst. Shu Di Huang nourishes blood and yin, benefits essence, and fills the marrow, thus it can also be used to treat dizziness, tinnitus, and premature greying due to liver and kidney deficiency and blood essence deficiency.
Name: Shu Di Huang
Pinyin: SHU DI HUANG
Alias: Shudi
Medicinal Part: Dried tuber
Properties: Sweet flavor, slightly warm; enters the liver and kidney meridians
Preparation Methods:
(1) Take fresh Rehmannia glutinosa, stew with rice wine until the wine is absorbed, remove, and air dry until the outer skin is slightly dry, then cut into thick slices or chunks and dry to obtain. For every 100 kg of fresh Rehmannia, use 30-50 kg of rice wine.
(2) Take fresh Rehmannia glutinosa, steam until it becomes black and moist, remove, and dry until about 80% dry, then cut into thick slices or chunks and dry to obtain.
Dosage: Decoction, 9-15g.
Indications: Nourishes blood and yin, benefits essence and fills the marrow. Used for blood deficiency with symptoms such as pale complexion, irregular menstruation, excessive bleeding, kidney yin deficiency, lower back and knee weakness, night sweats, premature ejaculation, dual deficiency of essence and blood, dizziness, and premature greying.
Common Combinations:
(1) Commonly combined with Dang Gui (Angelica Sinensis), Bai Shao (White Peony), and Chuan Xiong (Ligusticum Chuanxiong) to nourish blood and tonify deficiency, treating various blood deficiency symptoms;
(2) Used with Shan Yao (Chinese Yam) and Shan Zhu Yu (Cornus Officinalis) to tonify the liver and kidneys and benefit essence and marrow, treating liver and kidney yin deficiency symptoms, such as in the Liu Wei Di Huang Wan (Six Flavor Rehmannia Pill).
Herb Characteristics
This product consists of irregular pieces and fragments, varying in size and thickness. The surface is black with a glossy appearance and has high stickiness. The texture is soft yet resilient, not easily broken, with a black and glossy cross-section. It has a faint aroma and a sweet taste.
Related Discussions
1. “Pearl Bag”: Greatly tonifies blood deficiency, opens the blood vessels, and boosts energy.
2. “Compendium of Materia Medica”: Fills the marrow, promotes muscle growth, and generates essence and blood. Tonifies the five organs for internal injuries and deficiencies, opens the blood vessels, benefits the ears and eyes, darkens hair, and addresses various women’s issues such as menstrual irregularities and complications during pregnancy.
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Click the blue text below to learn more about past knowledge! A heat-clearing herb – Di Huang (Rehmannia) A tonic herb – Bai Shao (White Peony) A tonic herb – Dang Gui (Angelica Sinensis)
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