Summary of Salvia miltiorrhiza
Primary Information, Benefits, Effects, and Important Facts
Salvia Militorrhiza, or Danshen, is a traditional Asian herbal medication for circulatory ailments. It has shown efficacy in treating various markers of heart health, and is typically seen as a very heart healthy herb.
Danshen works through a few primary ingredients, which all work synergistically on various parameters of heart and circulatory health.
It is the largest herbal market in China, and is commonly sold as dripping pills (to be absorbed under the tongue) or as oral tablets. Both are effective, but the dripping pills appear to provide more of the active ingredients.
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Things To Know & Note
Blood thinning properties may interact with other blood thinners adversely
Is not a hallucinogen, that is Salvia Divinorum
How to Take Salvia miltiorrhiza
Recommended dosage, active amounts, other details
The Fufang Danshen Dripping pill is most commonly used as 30 pills spread over 3 times a day (10 each) taken either sublingually or orally.
Fufang Danshen tablets are taken 3 times a day, with 3 taken each time.
The standard therapeutic dose of Danshen is 6.56mg / kg bodyweight
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Scientific Research on Salvia miltiorrhiza
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Salvia militorrhiza (also known as Danshen) is an asian herb historically known to have beneficial effects on the circulatory system. Danshen, as well as a blend called 'Fufang Dansehn' containing Panax notoginseng and Cinnamomum camphora, are the two most widely selling herbs in China.
Over 80 different compounds have been identified in Danshen, 50 of which are water-soluble and the remaining 30 fat-soluble. The fat-soluble components are diterpene compounds belonging to the subclass 'tanshinones', or which the two main studies tanshinones are tanshinone IIA and cryptotanshinone. The water soluble components consist of various (up to 15) polyphenolic acids including salvianolic acids, protocatechuic aldehyde and acid, and danshensu (salvianic acid A). Other notable compounds are beta-sitosterol, ursolic acid, baicalin, and sometimes a vitamin E or tannin content.
Out of all of these compounds, the main ones with pharmacological importance seem to be the salvinoic acids (including danshensu) and the tanshinones (including tanshinone IIA).
Tanshinone IIA has been shown to be rapidly absorbed orally in either isolation or as Danshen; the compound cryptotanshinone is not taken up orally and metabolizes into tanshinone IIA upon intravenous injection, although a lipid nanoparticle transport alleviates this.
Danshensu (Salvianic acid A) has been shown to dilate coronary arteries, inhibit platelet aggregation, improve microcirculation and protect the myocardium from reperfusion injury of the ischemic heart. It can also inhibit myocardial cell apoptosis while protecting cells from free radicals and homocysteinemia.
Salvionolic acid B can contribute to cardiac protection by inhibiting the oxidation of LDL proteins (preventing uptake by macrophages) and inhibiting platlet aggregation. It can also inhibit angiotension-II induced hyperplasmia, stress-activated protein (SAP) kinase activiy, and the DNA synthesis of noncardiomyocytes while stimulating NO production of the endothelial cell. It also has protective effects against cerebral ischemia-reperfusion injury.
Tanshinone IIA has been implicated in reducing myocardial infarct size and cardiac cell hypertrophy (via angiotension II inhibition). It also serves as an anti-oxidant in myocardial mitochondrial membranes and against the oxidation of LDL proteins.
It has been historically used in China with efficacy to treat heart diseases such as angina pectoralis, and has recently shown efficacy in cerebrovascular diseases and hyperlipidemia; Essentially circulation ailments.
Three studies noted slight thirst and gastrointestinal side effects when using a 'dripping pill' formulation of Danshen.
Beyond that, the LD50 value for Danshen was found to be 25.807 g/kg in mice, which is 3934 times the therapeutic dose of 6.56 mg/kg bodyweight. 400 times the therapeutic dose for 90 days was found to be safe in mice.
Due to Salvia Militorrhiza's anti-thrombotic and blood pressure lowering abilities, it adversely interacts with the pharmaceutical Warfarin and causes enhanced bleeding and hindering of wound healing when combined.
Combining Danshen with salicyclate (derivative of aspirin) results in much less bioavailability of Danshen when using therapeutic doses of salicyclic acid, thus using Aspirin and Danshen is not advised.
- Zhou L, Zuo Z, Chow MS. Danshen: an overview of its chemistry, pharmacology, pharmacokinetics, and clinical use. J Clin Pharmacol. (2005)
- Chemical Characteristics of Salvia miltiorrhiza (Danshen) Collected from Different Locations in China.
- Feng BS, Li SR. Studies on the chemical components of Dan-shen (Salvia miltiorrhiza Bunge) (author's transl). Yao Xue Xue Bao. (1980)
- Chen X, et al. A comparative study on the chemical components of Salvia miltiorrhiza Bge. collected from Zhongjiang of Sichuan and from other habitats. Zhongguo Zhong Yao Za Zhi. (1997)
- Preparation and Enhanced Oral Bioavailability of Cryptotanshinone-Loaded Solid Lipid Nanoparticles.
- Zhang Y, et al. Extremely low bioavailability of magnesium lithospermate B, an active component from Salvia miltiorrhiza, in rat. Planta Med. (2004)
- Zhao FQ, et al. Pharmacokinetics of a Chinese traditional medicine, danshensu (3,4-dihydroxyphenyllactic acid), in rabbits using high-performance liquid chromatography. Biol Pharm Bull. (1997)
- Luo X, et al. Determination of Danshensu, a major active compound of Radix Salvia miltiorrhiza in dog plasma by HPLC with fluorescence detection. Biomed Chromatogr. (2001)
- Study of the determination and pharmacokinetics of Compound Danshen Dripping Pills in human serum by column switching liquid chromatography electrospray ion trap mass spectrometry.
- Qualitative and quantitative analysis of Compound Danshen Dripping Pills by CS-HPLC.
- Qiu F, et al. Effect of danshen extract on pharmacokinetics of theophylline in healthy volunteers. Br J Clin Pharmacol. (2008)
- Sarkar MA, et al. Characterization of human liver cytochromes P-450 involved in theophylline metabolism. Drug Metab Dispos. (1992)
- Salvia miltiorrhiza attenuates the changes in contraction and intracellular calcium induced by anoxia and reoxygenation in rat cardiomyocytes.
- Zhao BL, et al. Scavenging effects of salvia miltiorrhiza on free radicals and its protection for myocardial mitochondrial membranes from ischemia-reperfusion injury. Biochem Mol Biol Int. (1996)
- O K, et al. Magnesium tanshinoate B (MTB) inhibits low density lipoprotein oxidation. Life Sci. (2001)
- Li M, et al. Inhibition of shear-induced platelet aggregation in rat by tetramethylpyrazine and salvianolic acid B. Clin Hemorheol Microcirc. (2004)
- Au-Yeung KK, et al. Inhibition of stress-activated protein kinase in the ischemic/reperfused heart: role of magnesium tanshinoate B in preventing apoptosis. Biochem Pharmacol. (2001)
- Lithospermic acid B isolated from Salvia miltiorrhiza ameliorates ischemia/reperfusion-induced renal injury in rats.
- Sodium tanshinone IIA sulfonate derived from Danshen (Salvia miltiorrhiza) attenuates hypertrophy induced by angiotensin II in cultured neonatal rat cardiac cells.
- Niu XL, et al. Tanshinone II-A inhibits low density lipoprotein oxidation in vitro. Free Radic Res. (2000)
- Is danshen (Salvia miltiorrhiza) dripping pill more effective than isosorbide dinitrate in treating angina pectoris? A systematic review of randomized controlled trials.
- Chan TY. Interaction between warfarin and danshen (Salvia miltiorrhiza). Ann Pharmacother. (2001)
- Gupta D, et al. Drug-herb interactions: unexpected suppression of free Danshen concentrations by salicylate. J Clin Lab Anal. (2002)