Sweet wormwood (Qinghao)
Artemisia annua L. (Fam. Asteraceae)
Pharmaceutical Name: Herba artemisiae annuae
Botanical
Name: Artemisia annua L. (Fam. Asteraceae)
Common Name: Sweet wormwood.
Source of Earliest Record: Shennong
Bencao Jing.
Part Used & Method for Pharmaceutical
Preparations: The entire plant is gathered in summer or autumn, dried in
the shade and cut into pieces.
Properties & Taste: Bitter, pungent
and cold.
Meridians: Liver, gall bladder and
kidney.
Functions: 1. To reduce heat caused by
deficient yin; 2. To cool blood and release summer heat; 3. To relieve malaria.
Indications & Combinations:
1. Malaria. Sweet wormwood (Qinghao) is
used alone or with Scutellaria root (Huangqin) and Pinellia tuber (Banxia) in
the formula Hao Qin Qingdan Tang.
2. Late stage of febrile disease, with
pathogenic heat damaging yin and body fluids, manifested as fever, fever at
night, and subsiding in the morning without presence of sweating, red tongue
proper with scanty coating and thready, rapid pulse. Sweet wormwood
(Qinghao) is used with Moutan bark (Mudanpi), Turtle shell (Biejia) and Fresh
rehmannia root (Shengdihuang) in the formula Qinghao Biejia Tang.
3. Heat signs due to deficient yin
manifested as afternoon fever and night sweating. Sweet wormwood (Qinghao)
is used with Large-leaf gentian Turtle shell (Biejia), root (Qinjiao), and
Anemarrhena rhizome (Zhimu).
4. Invasion by summer-heat manifested as
fever, dizziness and headache. Sweet wormwood (Qinghao) is used with Mung
bean (Ludou) and Lotus leaf (Heye).
Dosage:
3-10 g, decocted in water for an oral dose.
Cautions
& Contraindications: This herb should not
be boiled for a long time
0 Comment:
Post a Comment