Bai Jie Zi (Sinapis alba) — White Mustard Seed, Dried Food-Herb for Poultices & Warming Compresses

Bai Jie Zi (Sinapis alba), also written as 白芥子 and known in English as White Mustard Seed, is the dried ripe seed of a traditional food-herb plant long honored in Traditional Chinese Medicine (TCM). For centuries it has been prized as a warming, phlegm-transforming, and qi-moving herb, traditionally used to disperse cold, open the chest, and support the smooth flow of Lung qi. Its nature is pungent and warm, making it a lively yet focused herb for warming the middle and unblocking stagnation.

Key Selling Points

• Traditional warming food-herb seed
• Sinapis alba (White Mustard Seed)
• Naturally sun-dried, sulfur-free
• Clean, hand-sorted, free of debris
• 500g bulk pack from Sichuan

Quality & Sensory

Each batch is naturally sun-dried to preserve the seeds' pale creamy-yellow color, small round form, and firm, smooth texture. They carry a mild, sharp mustard aroma and a pungent, slightly bitter taste that intensifies when crushed or warmed. When gently toasted or steeped, the seeds release a warm, stimulating fragrance prized in traditional preparations.

Technical Specifications

Usage Scenarios

• Traditional warming compress and poultice preparations
• Herbal foot soak blends
• Medicinal food soup packs
• Herbal pairing in seasonal decoctions
• External warming applications in folk practice

Traditional Uses

In folk herbal practice, Bai Jie Zi is toasted and wrapped in cloth as a warm compress, or ground into a paste for external poultices targeting cold and stagnation. It also appears in medicinal food soups and decoctions paired with ingredients like ginger, cinnamon twig, and fennel, and in warming foot soak blends for daily seasonal care. As a daily tea, it is sometimes combined with other warming herbs for a gentle, pungent infusion.

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