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Made in Gansu, China
English
Made in Gansu, China
English
Tag Sulfur-Free
Guides on sulfur-free herbal slices — why sulfur fumigation is a problem, how to spot treated material, and how to specify sulfur-free in bulk orders.
How to Choose Dong Quai (Angelica Sinensis / Dang Gui): Grades and Quality Signs
How to choose Dong Quai (Angelica sinensis / Dang Gui) — judge oil content and aroma, read head, body and tail grades, spot sulfur treatment, and know what to check before ordering in bulk.
Astragalus Root Quality Signs: What to Check Before a Bulk Order
How to choose astragalus root slices (Huang Qi) — read the cross-section, spot sulfur treatment, understand grades and cuts, and know what to check before you buy in bulk.