# Cang Zhu (Atractylodes lancea)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/cang-zhu-atractylodes-lancea
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-18
**Evidence Score:** 4 / 10
**Category:** Traditional Chinese Medicine
**Also Known As:** Atractylodes lancea, Southern Atractylodes, Black Atractylodes, Cang-zhu, Rhizoma Atractylodis, Chinese Atractylodes

## Overview

Cang Zhu (Atractylodes lancea) contains atractylon and β-eudesmol as primary bioactive compounds that enhance digestive function and reduce [inflammation](/ingredients/condition/inflammation). These sesquiterpenes work by stimulating gastric acid secretion and modulating immune responses through NF-κB pathway inhibition.

## Health Benefits

- Enhances [digestive health](/ingredients/condition/gut-health) by stimulating gastric secretions, improving digestion. - Supports weight management by increasing [metabolism](/ingredients/condition/weight-management), aiding fat loss. - Boosts immune function by enhancing [white blood cell](/ingredients/condition/immune-support) activity, reducing infection risk. - Alleviates joint pain by reducing [inflammation](/ingredients/condition/inflammation), improving mobility. - Promotes [liver health](/ingredients/condition/detox) by enhancing detoxification processes, supporting overall wellness. - Reduces stress by modulating [cortisol levels](/ingredients/condition/stress), promoting relaxation. - Enhances [skin health](/ingredients/condition/skin-health) by reducing [oxidative stress](/ingredients/condition/antioxidant), preventing premature aging.

## Mechanism of Action

Atractylon and β-eudesmol in Cang Zhu stimulate gastric acid and enzyme secretion by activating cholinergic pathways and increasing gastrin release. These compounds inhibit NF-κB signaling and reduce [pro-inflammatory cytokine](/ingredients/condition/inflammation)s like TNF-α and IL-6. The sesquiterpenes also enhance lipolysis by activating hormone-sensitive lipase and increasing [thermogenesis](/ingredients/condition/weight-management).

## Clinical Summary

Human studies on Cang Zhu are limited, with most evidence from traditional use and animal models. A 12-week study in 60 participants showed 8% improvement in digestive symptoms when combined with other herbs. Animal studies demonstrate significant [anti-inflammatory](/ingredients/condition/inflammation) effects with 200-400mg/kg doses reducing joint swelling by 40-60%. More controlled human trials are needed to establish definitive clinical efficacy.

## Nutritional Profile

Cang Zhu (Atractylodes lancea) rhizome contains primarily bioactive volatile oils (5-9% of dry weight), dominated by atractylol (hinesol and β-eudesmol as primary sesquiterpenoids, comprising 20-40% of volatile oil fraction). Key compounds include atractylodin (polyacetylene compound, ~0.1-0.5% dry weight), atractyloside and carboxyatractyloside (diterpene glycosides). Polysaccharides constitute approximately 15-25% of dry weight, contributing to [immunomodulatory](/ingredients/condition/immune-support) effects with moderate bioavailability. Inulin-type fructans present at 8-12% dry weight. Micronutrient content includes moderate potassium (~300-400 mg/100g dried), calcium (~150-200 mg/100g), magnesium (~80-120 mg/100g), and trace manganese (~2-4 mg/100g). Vitamin content is limited but includes small amounts of vitamin C (~5-10 mg/100g dried) and B vitamins including thiamine (~0.1 mg/100g). Crude fiber content is approximately 18-22% dry weight. Protein content is relatively low at 4-7% dry weight. Total carbohydrates approximately 55-65% dry weight. Fat content minimal at 1-3% dry weight. Bioavailability note: sesquiterpenoids (hinesol, β-eudesmol) are lipid-soluble and show enhanced absorption when consumed with fats; polysaccharide bioactivity is primarily exerted in the gastrointestinal tract with systemic absorption limited. Atractylodin demonstrates moderate oral bioavailability with hepatic first-pass [metabolism](/ingredients/condition/weight-management) producing active metabolites.

## Dosage & Preparation

Cang Zhu is typically prepared as a decoction or included in herbal formulas. The usual dosage is 6-12 grams per day. Consult a healthcare provider before use.

## Safety & Drug Interactions

Cang Zhu is generally well-tolerated but may cause stomach upset in sensitive individuals due to increased gastric acid production. It may interact with anticoagulant medications by enhancing their effects. Contraindicated in pregnancy and breastfeeding due to insufficient safety data. Individuals with gastric ulcers or hyperacidity should avoid use without medical supervision.

## Scientific Research

Research on Cang Zhu has shown potential benefits in improving [digestive health](/ingredients/condition/gut-health) and reducing [inflammation](/ingredients/condition/inflammation). More clinical trials are necessary to confirm these effects.

## Historical & Cultural Context

Cang Zhu has been used for centuries in Chinese medicine to treat digestive disorders and conditions associated with dampness.

## Synergistic Combinations

Hou Po, Bai Zhu, Shen Qu

## Frequently Asked Questions

### What is the recommended dosage of Cang Zhu?

Traditional dosing ranges from 3-9 grams daily of dried rhizome, typically taken as decoction or powder. Standardized extracts are usually dosed at 200-400mg twice daily with meals.

### How long does it take for Cang Zhu to work for digestion?

Digestive benefits may be noticed within 1-2 weeks of consistent use. Full therapeutic effects for chronic digestive issues typically develop after 4-6 weeks of regular supplementation.

### Can Cang Zhu help with water retention and bloating?

Yes, Cang Zhu's diuretic properties help reduce water retention and bloating by promoting fluid elimination. The atractylon compounds enhance kidney function and reduce inflammatory fluid accumulation in tissues.

### Is Cang Zhu safe to take with diabetes medications?

Cang Zhu may lower blood sugar levels and could enhance diabetes medication effects. Diabetics should monitor glucose closely and consult healthcare providers before use to avoid hypoglycemia.

### What are the main active compounds in Cang Zhu?

The primary bioactive compounds are atractylon (2-4%), β-eudesmol, and atractylodin. These sesquiterpenes and volatile oils are responsible for the herb's digestive, anti-inflammatory, and metabolic effects.

### Is Cang Zhu safe during pregnancy and breastfeeding?

Cang Zhu is traditionally considered warming and should be avoided during pregnancy due to its stimulating effects on digestion and metabolism. Pregnant and breastfeeding women should consult a qualified healthcare provider before using Cang Zhu, as safety data in these populations is limited. TCM practitioners typically recommend alternative herbs for pregnant women seeking digestive support.

### How does Cang Zhu compare to other digestive bitters in traditional Chinese medicine?

Cang Zhu (Atractylodes lancea) is warmer and more aromatic than similar herbs like Bai Zhu (Atractylodes macrocephala), making it particularly effective for cold, damp digestive conditions. Unlike gentler bitters, Cang Zhu also has stronger anti-inflammatory properties and is traditionally used for joint pain alongside digestive support. The choice between these herbs depends on whether the condition involves excess cold-damp stagnation versus other constitutional patterns.

### What does clinical research reveal about Cang Zhu's effectiveness for immune function?

Studies suggest Cang Zhu contains compounds that enhance white blood cell activity and antimicrobial properties, supporting its traditional use for immune support and reducing infection risk. Most research has been conducted in vitro and in animal models, with limited clinical trials in humans. While traditional use spans centuries, more rigorous human studies are needed to fully establish optimal dosing and efficacy for immune enhancement.

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