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Fresh Moutan Cortex

Updated: 2026-08-01

Overview

Fresh Moutan Bark (Paeonia suffruticosa Andrews root bark) is a prized material in Traditional Chinese Medicine (TCM), harvested from 5-7 year old plants. Unlike dried variants, fresh bark maintains higher bioactive compound concentrations but requires stringent handling. The material has been documented in pharmacopeias since the Han Dynasty, primarily used for its cooling properties and blood circulation promotion. The global herbal supplement market's 8.5% CAGR (2023-2030) drives industrial demand. Major production occurs in China's Anhui, Hunan, and Sichuan provinces, with seasonal harvesting from September to November. Modern applications extend beyond decoctions to include standardized extracts for nutraceuticals and topical formulations.

Physical and Chemical Properties

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Fresh bark exhibits distinct morphological features: thickness of 0.2-0.5cm, outer surface with gray-brown cork and transverse lenticels, while the inner surface shows purple-brown striations. The material emits a characteristic aromatic odor when broken, with slightly bitter taste. Key active constituents include paeonol (โ‰ฅ1.2% in premium grades), paeoniflorin, and benzoylpaeoniflorin. Chromatographic analysis reveals over 15 monoterpene glycosides contributing to pharmacological effects. The fresh material contains 60-70% moisture requiring rapid processing post-harvest. Polysaccharide content (3-5%) gives it hygroscopic properties, necessitating climate-controlled storage to prevent mold formation during transportation.

ๅ•†ๅฎถ็ป้ชŒ็œŸๅฎžๆกˆไพ‹ ยท ๅฎ‰ๅ…จๅฏไฟก
้€ ็บธๅ†ฒๆต†ๆณตๅทฅไฝœๅŽŸ็†
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Main Applications

In TCM practice, fresh Moutan Bark serves as a core ingredient in heat-clearing formulas like Qing Re San and Dang Gui Liu Huang Tang. Pharmaceutical companies utilize ethanol extracts (typically 4:1 or 10:1 concentration) for capsule preparations targeting inflammatory conditions. Recent research indicates potential in dermatological applications due to MMP-1 inhibition properties. The nutraceutical industry incorporates standardized extracts (2% paeonol) into joint health supplements. Cosmetic manufacturers value its antioxidant capacity (ORAC value ~3,800 ฮผmol TE/100g), formulating it into brightening serums and anti-acne preparations. Emerging applications include animal health products for poultry inflammatory management.

Safety and Storage

ไธน็šฎ้…šๆ–ฐ่‹ท,100291-86-9 ๅฏน็…งๅ“ ๆ ‡ๅ‡†ๅ“ 98%(HPLC)ๆˆ้ƒฝๅŸƒๆณ•็”Ÿ็‰ฉ็ง‘ๆŠ€ๆœ‰้™ๅ…ฌๅธ

While generally recognized as safe, fresh bark requires careful handling to prevent microbial contamination. The European Medicines Agency recommends maximum daily intake of 6-12g crude equivalent. Industrial processors should implement HACCP protocols for washing (using ozonated water) and quick drying at โ‰ค60ยฐC to preserve actives. Storage demands triple-layer packaging: inner breathable cloth, moisture-proof aluminum foil, and outer corrugated boxes. Ideal conditions maintain 55-65% relative humidity with periodic fumigation using food-grade nitrogen. Shelf life reduces from 36 months (dried) to 8-10 weeks for fresh material unless frozen at -18ยฐC, which may alter texture but preserves 90%+ active compounds.

ๅ•†ๅฎถ็ป้ชŒ็œŸๅฎžๆกˆไพ‹ ยท ๅฎ‰ๅ…จๅฏไฟก
ๅฐๅž‹ๆฆจๆฑๆœบ
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B2B Procurement Guide

Industrial buyers should prioritize suppliers with GACP (Good Agricultural and Collection Practice) certification. Key evaluation parameters include: bark thickness โ‰ฅ0.3cm, paeonol content โ‰ฅ1.0% (HPLC verified), absence of root wood fragments, and sulfur dioxide residue <10mg/kg. Purchase contracts should specify delivery within 72 hours post-harvest with cold chain logistics (2-8ยฐC). Market intelligence shows price fluctuations up to 30% between harvest seasons. Strategic buyers often secure forward contracts with Anhui-based cooperatives. For extract manufacturing, consider pre-negotiated quality discounts for lots exceeding 5 metric tons. Third-party testing for heavy metals (especially cadmium โ‰ค0.3ppm) and aflatoxins is mandatory for EU/US market compliance.

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