Scutellaria root (Huangqin)
Scutellaria baicalensis Georgi (Fam. Lamiaceae)
Pharmaceutical Name: Radix Scutellariae
Botanical Name: Scutellaria baicalensis Georgi (Fam. Lamiaceae)
Common Name: Scutellaria root, Scute, Skullcap, Baical skullcap root.
Source of Earliest Record: Shennong Bencao
Jing.
Part Used & Method for Pharmaceutical
Preparations:
Dried
root.
Radix
Scutellariae is produced chiefly in the provinces of Hebei, Shanxi, Inner
Mongolia, and Henan. The root is collected in spring or autumn, then dried in
sunlight and sliced. It is used unprepared, stir-baked with wine, or stir-baked
until it is charred.
Properties & Taste: Bitter and cold.
Meridians: Lung, gall bladder, stomach
and large intestine.
Functions: 1. To clear heat and dry
dampness; 2. To reduce fire and release toxins; 3. To stop bleeding and calm
fetus.
Indications & Combinations:
1. Damp-heat syndromes: a) damp-heat
febrile diseaseScutellaria root (Huangqin) is used with Talc (Huashi) and Rice
paper pith (Tongcao); b) jaundiceScutellaria root (Huangqin) is used with
Capejasmine (Zhizi), Oriental wormwood (Yinchenhao) and Bamboo leaf (Zhuye); c)
dysentery or diarrhea Scutellaria root (Huangqin) is used with Coptis root
(Huanglian); d) boils, carbuncles and furunclesScutellaria root (Huangqin) is
used with Honeysuckle flower (Jinyinhua) and Trichosanthes root (Tianhuafen).
2. Cough due to heat in the lungs. Scutellaria
root (Huangqin) is used with Mulberry bark (Sangbaipi) and Anemarrhena rhizome (Zhimu).
3. Threatened abortion (restless fetus).
Scutellaria root (Huangqin) is used with Chinese angelica root (Danggui) and
White atractylodes (Baizhu).
4. Hemorrhage due to heat in the blood
manifested as vomiting with blood, epistaxis, hematuria and uterine bleeding. The
carbonized Scutellaria root (Huangqin) is prepared and used with Fresh
rehmannia root (Shengdihuang), Imperata rhizome (Baimaogen) and Biota tops
(Cebaiye).
5. For Heat syndrome during pregnancy and
threatened abortion, it is used with Radix Angelicae Sinensis (Dang Gui)
and Rhizoma Atractylodis Macrocephalae (Bai Zhu) in “Radix Angelicae Sinensis
Powder” (Dang Gui San).
Dosage: 3-10 g, decocted in water for
an oral dose, or prepared into a bolus or powder. For clearing away Heat, it
should be used unprepared; for preventing abortion, it is usually stir-baked;
for hemostasis, it is stir-baked until charred.
Cautions & Contraindications: This
herb is contraindicated in cases with deficiency cold of the spleen and
stomach. The raw herb is used to calm the fetus by clearing heat, the herb
stir-baked in wine is used to stop bleeding, and the carbonized herb clears
heat in the upper jiao.
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