Overview of the efficacy and functions of Scrophulariaceae

Scrophularia ningpoensis is a commonly used medicine in traditional Chinese medicine for clearing away heat and cooling blood.Nourishes yin and reduces fire, detoxifies and dissipates stagnation, cools blood and stops bleedingIt has core functions such as treating fever, yin damage, sore throat, scrofula and tuberculosis. Its active ingredients such as harpaside and scrophyllum give it anti-inflammatory, antibacterial, and immunomodulatory effects. The content will focus on its traditional application, modern research and precautions. The primary and secondary structure is: 1) traditional efficacy; 2) pharmacological effects; 3) clinical application; 4) contraindications for use.

Traditional efficacy and theoretical basis of traditional Chinese medicine

Scrophulariaceae is listed as the middle grade in "Shen Nong's Materia Medica". It is slightly cold in nature and bitter and salty in taste.Lung, stomach, kidney meridian. Traditional Chinese medicine believes that it can clear away heat and cool blood, and is suitable for treating fever, polydipsia, spots and rashes; nourishing yin and reducing fire can improve dry throat and red eyes caused by yin deficiency and excessive fire; detoxifying and dispersing stagnation can treat carbuncles, sores, and lymph node tuberculosis. The Qing Dynasty's "Compendium of Materia Medica" records that it "cures rootless fire and disperses phlegm all over the body", emphasizing its ability to balance internal heat.

Modern pharmacological research and scientific verification

Modern research shows that Scrophulariaceae contains iridoid glycosides, phenylethanol glycosides and other ingredients, which have significantAnti-inflammatory, antioxidant, hypoglycemicfunction. Experimental data shows that its extract can inhibit Staphylococcus aureus (the diameter of the inhibition zone reaches 15mm), and can reduce fasting blood sugar in diabetic model rats (a decrease of approximately 30%). The following table lists some of its pharmacological effects:

Clinical application and compatibility plan

Clinically, the combination of Scrophulariaceae, Rehmannia glutinosa and Ophiopogon japonicus (such as Zengye Decoction) is used to treat constipation due to yin deficiency; it is used together with Forsythia suspensa and Isatis root to relieve acute pharyngitis. Research shows that compound preparations containing Scrophulariaceae are effective at treating chronic pharyngitis up to 85% (sample size n=120). Need to pay attentionUse with caution in those with spleen and stomach deficiency, long-term use may cause diarrhea, the daily dosage is recommended to be controlled at 6-12g.

Summary and Notes

As a traditional Chinese medicine with both traditional and modern values, Scrophulariaceae has the two-way regulating ability of clearing heat and nourishing yin, and is suitable for heat syndrome and yin deficiency syndrome. However, it needs to be used strictly based on syndrome differentiation and avoid being used together with Veratrum (eighteen contraindications). Pregnant women and patients with hypotension should take it under the guidance of a physician. Rational application can maximize its efficacy and reduce the risk of adverse reactions.

Citing sources

1. "Chinese Pharmacopoeia" 2020 Edition
2. Li Shizhen's "Compendium of Materia Medica"
3. Zhang Tingmo "Clinical Chinese Materia Medica"
4. "Chinese Herbal Medicine" Journal Issue 5, 2020