The root and rhizome of Salvia miltiorrhizd Bunge, family Labiatae.
Rhizome appearing as irregular masses with several hairy roots growing
the lower part. Root 20-30 cm long and 0.5-1.0 cm in diameter; surface
red, often presenting scaly exfoliation. Prepared as segments, the section
showing several rectangular vascular bundles in radial arrangement. Bitter
in taste; slightly cold in nature, and attributive to heart, pericardium
and liver channels.
1. Promote blooci circulation to remove blood stasis: For cardiodynia,
hypochondriac pain, abdominal pain, stomachache, dysmenorrhea, amenorrhea,
lochiorrhea and trauma with blood stasis, used together with Radix Angelicae
Sinensis and Olibanum. Recently also used for ischemic apoplexy, disseminated
intravascular coagulation, chronic hepatitis, cirrhosis, etc.
2. Clear away heat, relieve vexation, nourish blood and tranquilize the
mind: For seasonal febrile diseases involving yingfen and xuefen manifested
as high fever, irritability, delirium and skin eruptions, usually used
together with Cornu Rhinoceri, Radix Scrophulariae and Rhizoma Coptidis;
for insanity attributive to blood stasis and heat, used together with
Lumbncus; also for restlessness, frightening and insomnia due to heart-heat
or insufficiency of heart-blood.
3. Cool the blood to relieve carbuncle: For carbuncles and pharyngitis.
1. Its component tanshinone acts as a broad-spectrum bactericide, and
also can dilate coronary artery and increase coronary flow.
2. Action on various blood clotting factors, increasing the level of cAMP
in thrombocytes, inhibiting the aggregation of platelets, improving the
rheological state of blood so as to impede the formation of thrombus.