The lignum of Aquilaria sinensis (Lour.) Gug, family Thymelaeaceae.
The sample prepared as irregular or helmet-like pieces varying in size.
grey-yellow, uneven, with knife-cutting scars, often withered at the depressed
parts, dark-brown at the part containing resin, alternating with the part
without resin and forming streaks. Hard in texture. Fracture surface spiny.
Aromatic in odour. Acrid and bitter in taste, warm in nature, and attributive
to spleen, stomach and kidney channels.
1. Promote vital energy circulation and alleviate pain, warm the middle-jiao
and expel cold: For stagnation of cold and vital energy with fullness
and pain in the chest and abdomen, nausea, vomiting and hiccup.
2. Calm the adverse-rising energy and relieve dyspnea: For abdominal rising
of vital energy with shortness of breath, used together with Semen
Lepidji seu Descurainiae and Semen Armeniacae Amarum; also used for kidney
hypofunction with dyspnea, usually used together with Radix Rehmanniae
Praeparatae, Radix Aconiti Praeparata, Fructus Corni, etc.
Duodenal feeding of its decoction can promote the secretion of bile in