Bai Fan (Alum) — Transparent Dried Alum Crystals & Powder, Food-Grade Mineral Herb 500g

Bai Fan (白矾), also known as Alum or Míng Fán (明矾), is a naturally derived mineral substance traditionally classified in Chinese herbal practice as a mineral herb (矿物药). Its crystal form is clear and glass-like, while the powdered form is fine and white. In Traditional Chinese Medicine (TCM), Bai Fan is described as sour,涩 and cold in nature, and is traditionally grouped among herbs that dry dampness, resolve phlegm, and restrain discharge. It has been used for generations in both internal decoctions and external preparations, and remains a familiar ingredient in food processing and daily household use.

Key Selling Points

• Transparent, glass-like alum crystals and fine white powder
• Traditional mineral herb (矿物药) used in TCM practice
• Food-grade edible alum for culinary and processing use
• Naturally sun-dried, 500g bulk pack
• Sourced from Anhui, China

Quality & Sensory

The crystal form of Bai Fan appears transparent to translucent, with a glassy luster and clean, colorless-to-white appearance. The powdered form is fine, uniform, and bright white. It is odorless and has a distinctive astringent, slightly sour taste. When dissolved in warm water, it disperses readily into a clear solution, leaving no gritty residue, which reflects its refined quality and careful sun-drying process.

Technical Specifications

Usage Scenarios

• Traditional herbal decoctions and external washes
• Food processing and culinary preparation
• Household water clarification and preservation
• External compress and soak preparations
• Bulk ingredient for herbal formulators

Traditional Uses

In folk herbal practice, Bai Fan is decocted or dissolved for external washing and soaking, and is sometimes included in internal formulas alongside other herbs. It has traditionally been used in preparations for drying dampness, resolving phlegm, and restraining excessive discharge. In daily life, it is also a familiar food-processing aid, used in the making of certain noodles, fried doughs, and preserved foods, and in household water clarification. As a mineral herb, it is typically used in small, measured amounts and is often paired with herbs like bitter orange, pinellia, or phellodendron in traditional formulas.

FAQ Q&A