San Qi (Panax notoginseng)

San Qi (Panax notoginseng) contains ginsenosides Rb1 and Rg1 that improve cardiovascular health and wound healing through platelet aggregation modulation. This traditional Chinese herb reduces blood pressure and enhances circulation by affecting nitric oxide pathways and coagulation factors.

Origin & History

San Qi is derived from the root of Panax notoginseng, a plant native to China. The roots are harvested, dried, and processed for medicinal use.

Historical & Cultural Context

San Qi has been used in Chinese medicine for centuries to stop bleeding and reduce pain, particularly in trauma cases.

Health Benefits

- Enhances cardiovascular health by reducing blood pressure, lowering heart disease risk. - Supports wound healing by promoting blood clotting, speeding recovery. - Alleviates pain through anti-inflammatory properties, reducing discomfort. - Boosts immune function by enhancing white blood cell activity, strengthening defenses. - Improves energy levels by increasing oxygen utilization, reducing fatigue. - Reduces stress and anxiety by modulating cortisol levels, enhancing relaxation. - Enhances cognitive function by improving cerebral blood flow, boosting focus and memory.

How It Works

San Qi's ginsenosides Rb1 and Rg1 modulate platelet aggregation and enhance nitric oxide production, improving vascular function. The saponins inhibit inflammatory mediators like NF-κB and COX-2, reducing pain and inflammation. These compounds also stimulate endothelial nitric oxide synthase (eNOS), promoting vasodilation and blood pressure reduction.

Scientific Research

San Qi has been studied for its hemostatic and anti-inflammatory properties. Some RCTs suggest its efficacy in reducing bleeding and promoting cardiovascular health.

Clinical Summary

Multiple randomized controlled trials with 50-200 participants show San Qi reduces systolic blood pressure by 8-15 mmHg compared to placebo. Studies demonstrate 30-40% faster wound healing rates and reduced bleeding time in surgical patients. However, most trials are short-term (4-12 weeks) and conducted primarily in Asian populations, limiting generalizability.

Nutritional Profile

San Qi (Panax notoginseng) is not typically consumed as a macronutrient source but is valued for its dense bioactive compound profile. Key constituents include: **Saponins (Notoginsenosides/Ginsenosides):** Total saponin content ranges from 8–12% of dried root weight, with major compounds being notoginsenoside R1 (~1.0–1.8%), ginsenoside Rg1 (~2.0–3.5%), ginsenoside Rb1 (~2.5–4.5%), ginsenoside Re (~0.5–1.2%), and ginsenoside Rd (~0.5–1.0%). These dammarane-type triterpene saponins are the primary bioactive agents responsible for hemostatic, cardiovascular, and anti-inflammatory effects. **Flavonoids:** Quercetin and kaempferol glycosides present at approximately 0.5–1.5% of dried weight, contributing to antioxidant capacity. **Polysaccharides:** Sanqi polysaccharides (SQPS) comprise roughly 5–10% of dried root, with immunomodulatory and hypoglycemic activities. **Dencichine (β-N-oxalyl-L-α,β-diaminopropionic acid):** Present at approximately 0.5–1.0% of dried root; a non-protein amino acid primarily responsible for hemostatic (blood-clotting) activity. **Phytosterols:** β-sitosterol, stigmasterol, and daucosterol at trace-to-moderate levels (~0.1–0.3%). **Volatile oils:** Including sesquiterpenes and polyacetylenes such as panaxynol and panaxydol at trace amounts (~0.05–0.2%), contributing to anti-inflammatory and antimicrobial actions. **Minerals:** Contains iron (~5–15 mg/100g), calcium (~50–120 mg/100g), manganese, zinc, and trace amounts of selenium and chromium. **Amino acids:** Contains approximately 7–10% total protein by dry weight, including essential amino acids such as leucine, lysine, and valine, though it is not consumed in quantities meaningful for protein nutrition. **Vitamins:** Trace amounts of B-group vitamins and vitamin E. **Bioavailability notes:** Oral bioavailability of ginsenoside Rg1 is relatively low (~2–5%) due to extensive first-pass metabolism and gut microbiota-mediated hydrolysis. Ginsenoside Rb1 has similarly low oral bioavailability (~1–4%) but is converted by intestinal flora to more bioavailable metabolites such as compound K (20-O-β-D-glucopyranosyl-20(S)-protopanaxadiol). Notoginsenoside R1 has moderate absorption (~5–8%). Dencichine is relatively well absorbed orally. Processing methods (steaming to create 'shu sanqi') alter ginsenoside ratios, converting protopanaxatriol-type saponins into protopanaxadiol-type metabolites, which can shift pharmacological profile and bioavailability. Co-administration with lipid-based carriers or phospholipid complexes has been shown to enhance saponin absorption by 2–3 fold.

Preparation & Dosage

Typical dosage is 3-9 grams per day in decoction form. Consult a healthcare provider before use.

Synergy & Pairings

Dang Gui, Chuan Xiong, Bai Shao

Safety & Interactions

San Qi may increase bleeding risk when combined with anticoagulant medications like warfarin or aspirin due to its antiplatelet effects. Common side effects include dizziness, nausea, and skin rash at doses above 6 grams daily. Pregnancy and breastfeeding safety is unknown, and it should be discontinued 2 weeks before surgery. People with bleeding disorders should avoid San Qi supplementation.