Tangaek — Decoctions · Fruits

外靑皮 Walnut

Related Crop · Walnut →

Oecheongpi is the green husk around an unripe walnut, from the same tree as the hodu in the crop guide. Peeling it stains the hands deep brown, and it has long served as a dark dye. Inside the hard shell it covers sits the kernel that gets eaten.

Original, read line by line 東醫寶鑑 · Tangaek — Decoctions vol. 2

  1. 卽生實上靑皮也. 染鬚髮令黑. 《本草》

    This is simply the green husk on the fresh fruit. It dyes the beard and hair black. 《Boncho (本草)》

    HomiclubThe green husk of an unripe walnut holds a pigment called juglone; peeling it barehanded stains the skin dark brown and the stain is slow to fade. In Europe the same husk has long been used to dye wood and cloth brown.

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This is a cultural and historical record from a classical text, not a claim about any food’s effects. Nothing here is a health supplement or intended to prevent or treat disease. Consult a medical professional about health concerns. · Text: Korean Medicine Classics DB · Reading: Homiclub