Dried Castor Bean Seeds Bi Ma Zi 500g Premium Clean Grade for Traditional Herbal Use

Dried Castor Bean Seeds, known in TCM as Bi Ma Zi (蓖麻子), from Ricinus communis. These cleaned seeds are a traditional herbal botanical used in TCM preparations. In TCM theory, castor bean seeds are considered acrid, sweet, and neutral, associated with the Large Intestine and Lung channels. Traditionally used in poultices and external applications. For external use only; not for ingestion. Store in a cool, dry place.

Key Selling Points

• Identified as Bi Ma Zi (蓖麻子), the seed of Ricinus communis
• Cleaned and sorted seeds with large uniform size
• Traditional TCM botanical for external poultice preparation
• New stock with 24-month shelf life
• 500g pack of food-grade agricultural castor bean seeds

Quality & Sensory

These castor bean seeds are typically large, smooth, and mottled brown with grey and white markings. The texture is hard and oily when crushed. They have a mild, neutral aroma. Not intended for tasting or brewing; used externally in traditional poultices.

Technical Specifications

Usage Scenarios

• External poultice preparation in traditional TCM practice
• Topical compress application under professional guidance
• Traditional folk external remedy preparation

Traditional Uses

In TCM theory, Bi Ma Zi (蓖麻子) is traditionally used in external poultices and compresses. Traditional texts describe it as acrid, sweet, and neutral, entering the Large Intestine and Lung channels. It is commonly combined with other herbs in topical preparations. Castor bean seeds are not traditionally used in teas, soups, or decoctions for internal consumption.

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