Tangaek — Decoctions · Trees
櫟樹皮 Deopgallamot Geopjil (덥갈나못 겁질)
Yeoksupi is the bark of the daimyo oak, one of the acorn-bearing oaks; the Korean gloss reads deopgalnamot geopjil. The entry sits in the Trees section of Donguibogam and concerns the stripped bark, not the acorn.
Original, read line by line 東醫寶鑑 · Tangaek — Decoctions vol. 3
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性平, 味苦, 無毒. 主水痢.
Its nature is neutral, its taste bitter, and it is non-toxic. It chiefly governs suri (水痢, watery dysentery).
HomiclubYeoksupi is the trunk bark of the oaks. Thick, corky, and split into deep vertical furrows, that bark is the clue by which an oak is recognized, and the logs used for growing shiitake come from the same group of trees.
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消瘰癧, 除惡瘡, 及瘡中風露, 腫痛者. 《本草》
It disperses naryeok (瘰癧, scrofula) and removes malign sores, as well as sores that have met wind and dew and grown swollen and painful. 《Boncho (本草)》
Trees — more entries
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