# Chinese Skullcap (Scutellaria baicalensis)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/chinese-skullcap
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 6 / 10
**Category:** Traditional Chinese Medicine
**Also Known As:** Scutellaria baicalensis, Baikal skullcap, Huang Qin, Golden root, Baical skullcap root, Ogon, Chinese goldenseal

## Overview

Chinese skullcap (Scutellaria baicalensis) contains bioactive flavonoids baicalin, baicalein, and wogonin that modulate [inflammatory pathway](/ingredients/condition/inflammation)s. These compounds inhibit nuclear factor-κB (NF-κB) and reduce production of inflammatory mediators like IL-5 and IgE.

## Health Benefits

• May reduce allergic responses: Animal studies show reduction in IgE, IL-5, and Th2 responses in asthma models (preliminary evidence)
• Potential [hepatoprotective](/ingredients/condition/detox) effects: Preclinical models demonstrate reduced liver enzymes (AST/ALT) via baicalin, baicalein, and wogonin (preliminary evidence)
• Anti-inflammatory properties: Traditional use supported by in vitro studies on [inflammatory pathway](/ingredients/condition/inflammation)s (preliminary evidence)
• Possible anticancer effects: Cell studies show G1 cell cycle arrest and apoptosis induction (preliminary evidence)
• May support [immune function](/ingredients/condition/immune-support): In vitro studies demonstrate inhibition of histamine release in mast cells (preliminary evidence)

## Mechanism of Action

The primary bioactive compounds baicalin, baicalein, and wogonin inhibit nuclear factor-κB (NF-κB) signaling, reducing [inflammatory](/ingredients/condition/inflammation) cytokine production. These flavonoids suppress Th2 immune responses by decreasing IL-4, IL-5, and IL-13 expression. The compounds also modulate liver enzyme activity and provide [hepatoprotective](/ingredients/condition/detox) effects through [antioxidant](/ingredients/condition/antioxidant) pathways.

## Clinical Summary

Current evidence comes primarily from animal studies and preliminary research. Asthma models show reduced IgE and IL-5 levels with Chinese skullcap extract administration. Preclinical liver studies demonstrate decreased AST and ALT enzymes, indicating potential [hepatoprotective](/ingredients/condition/detox) effects. Human clinical trials are limited, making the evidence preliminary and requiring further validation in controlled studies.

## Nutritional Profile

Chinese Skullcap (Scutellaria baicalensis) root is not consumed as a food source and thus lacks significant macronutrient relevance in typical dosing contexts (standardized extracts: 400–1500 mg/day; dried root decoctions: 3–9 g/day in TCM practice). Its nutritional significance lies almost entirely in its bioactive phytochemical composition. Primary flavonoids include: baicalin (baicalein-7-O-glucuronide) at approximately 10–35% dry weight of the root, making it the dominant compound; baicalein (aglycone form of baicalin) at 1–5% dry weight; wogonin at 1–4% dry weight; wogonoside (wogonin-7-O-glucuronide) at 1–3% dry weight; and oroxylin A at 0.5–2% dry weight. Minor flavonoids include scutellarein, neobaicalein, and chrysin derivatives present at <1% each. Non-flavonoid constituents include iridoids (e.g., catalpol), phenylethanoids, and essential oils in trace amounts (<0.1%). Mineral content of the dried root includes modest calcium (~200–400 mg/100g dry weight), potassium (~500–800 mg/100g dry weight), and magnesium (~100–200 mg/100g dry weight), though these are nutritionally irrelevant at supplemental doses. Crude fiber content is approximately 15–25% of dry root weight. Protein content is approximately 8–12% dry weight but is not bioavailable in meaningful quantities at standard dosing. Bioavailability notes: Baicalin undergoes extensive intestinal and hepatic hydrolysis to baicalein by gut microbial β-glucuronidase; baicalein exhibits higher membrane permeability (Papp ~10–20 × 10⁻⁶ cm/s in Caco-2 models) than baicalin (Papp ~2–5 × 10⁻⁶ cm/s). Oral bioavailability of baicalin is estimated at 2–10% due to first-pass [metabolism](/ingredients/condition/weight-management) and poor aqueous solubility; lipid-based or phospholipid complex formulations improve absorption by approximately 2–3 fold. Wogonin bioavailability is similarly low (~10–15% in rodent models). Peak plasma concentrations of baicalein following 400 mg baicalin-equivalent dose are reported at approximately 0.5–2 µg/mL in human pharmacokinetic studies. Co-administration with food or lipids modestly enhances absorption of lipophilic aglycones.

## Dosage & Preparation

Preclinical studies used oral skullcap extract at 25 mg/kg body weight in mice. Human bioavailability study used 5.2g root powder with 200ml water. Standardized extracts typically contain baicalin (40.6%), wogonoside (15.5%), and other flavonoids totaling 68.5%. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Chinese skullcap is generally well-tolerated but may cause drowsiness or gastrointestinal upset in some individuals. It may interact with anticoagulant medications due to potential bleeding risk enhancement. The herb should be used cautiously with sedative medications as it may amplify drowsiness effects. Pregnant and nursing women should avoid use due to insufficient safety data.

## Scientific Research

Current evidence for Chinese Skullcap is primarily preclinical, consisting of in vitro and animal model studies for [anti-inflammatory](/ingredients/condition/inflammation), anti-allergic, [hepatoprotective](/ingredients/condition/detox), and anticancer effects. Human clinical trials with specific PMIDs were not detailed in available research, with only one bioavailability study using 5.2g root powder in 10 subjects noted.

## Historical & Cultural Context

Chinese Skullcap has been used for centuries in Traditional Chinese Medicine, as well as in Japan and Korea, to treat [inflammation](/ingredients/condition/inflammation), allergies, bacterial/viral infections, psychiatric disorders, and as a [hepatoprotective](/ingredients/condition/detox) agent. Root preparations traditionally address swelling, infections, and liver issues including hepatitis and fibrosis.

## Synergistic Combinations

Green Tea Extract, Milk Thistle, Turmeric, Quercetin, N-Acetyl Cysteine

## Frequently Asked Questions

### What is the active ingredient in Chinese skullcap?

The main active compounds are flavonoids baicalin, baicalein, and wogonin. Baicalin is typically the most concentrated, comprising 8-15% of the root extract.

### How much Chinese skullcap should I take daily?

Traditional dosages range from 3-9 grams of dried root daily, or 200-400mg of standardized extract. Most supplements are standardized to 85% baicalin content.

### Can Chinese skullcap help with anxiety?

While traditionally used for calming effects, clinical evidence for anxiety is limited. The flavonoids may have mild sedative properties, but human studies are needed to confirm anxiolytic effects.

### Is Chinese skullcap the same as American skullcap?

No, they are different species with distinct chemical profiles. Chinese skullcap (Scutellaria baicalensis) contains baicalin and baicalein, while American skullcap has different active compounds.

### Does Chinese skullcap interact with blood thinners?

Yes, it may enhance anticoagulant effects of warfarin and other blood thinners. The flavonoids can affect platelet aggregation, potentially increasing bleeding risk when combined with these medications.

### Does Chinese skullcap have liver-protective effects?

Preclinical research suggests Chinese skullcap may support liver health through its active compounds baicalin, baicalein, and wogonin, which have demonstrated reduced liver enzyme levels (AST/ALT) in animal models. However, these findings are preliminary and conducted in controlled laboratory settings, so human clinical trials are needed to confirm hepatoprotective benefits. Anyone with existing liver conditions should consult a healthcare provider before use.

### Can Chinese skullcap help reduce allergic reactions or asthma symptoms?

Animal studies indicate Chinese skullcap may reduce allergic responses by lowering IgE antibodies and Th2 immune responses, markers associated with allergic asthma. These results are promising but remain in early preclinical stages and have not been validated in human clinical trials. Those with allergies or asthma should discuss supplementation with their physician before use.

### Is Chinese skullcap safe to take long-term?

Long-term safety data for Chinese skullcap in humans is limited, though traditional use in Chinese medicine spans centuries without widespread safety concerns reported. Some individuals may experience mild side effects, and because the herb may affect liver metabolism, extended use should be monitored by a healthcare provider. Anyone considering long-term supplementation should have periodic liver function testing to ensure safety.

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