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Taro

Taro (토란, 芋子) is recorded in the Donguibogam as a digestion-regulating food herb (toxic raw). Its nature is neutral (some sources: cold) and its taste pungent, associated with the Stomach, Large Intestine meridians. Traditional uses recorded in the text include relaxes and soothes the digestive tract, nourishes muscle and skin, breaks up old stagnant blood. Caution: The Donguibogam states plainly that raw taro is toxic and irritating to the point of being inedible, while cultivated garden taro cooked thoroughly is non-toxic and beneficial — wild taro is noted as unfit to eat even cooked.

토란 (芋子) · Colocasia esculenta (L.) Schott
Digestion-regulating food herb (toxic raw) Neutral (some sources: cold) Pungent Stomach, Large Intestine
NatureNeutral (some sources: cold)
TastePungent
MeridiansStomach, Large Intestine
Part usedCorm (root); toxic raw, safe when cooked
FamilyAraceae
CategoryDigestion-regulating food herb (toxic raw)
Find by concern: Poor appetite

Overview

Taro is a familiar autumn root used in Korean toran-guk (taro soup), and the Donguibogam is explicit about a key rule still followed in the kitchen today: raw taro is toxic and irritating, but once fully cooked it becomes non-toxic and genuinely nourishing.

In the Donguibogam

東醫
寶鑑
性平一云冷, 味辛, 有毒. 寬腸胃, 充肌膚, 滑中, 破宿血, 去死肌.
Source: Donguibogam, Tangaek-pyeon (Herbology volume)
TranslationIts nature is neutral (some say cold), its taste pungent, and it has toxicity. It relaxes the intestines and stomach, fills out the muscles and skin, smooths the middle, breaks up old stagnant blood, and removes dead tissue.

Traditional uses recorded in the Donguibogam

  • Relaxes and soothes the digestive tract
  • Nourishes muscle and skin
  • Breaks up old stagnant blood

Traditional applications recorded in the classical text

  • Cooked as a nourishing autumn food
  • Traditional use for old bruising or stagnant blood (classical)
  • General digestive comfort when properly cooked

Traditional preparation

Always cooked thoroughly before eating (soup, stew); classically prepared with crucian carp for extra benefit.

This describes traditional preparation recorded in the classics, not a recommendation for use today. DonguiHub does not provide dosage guidance — consult a qualified professional before using any herb.

Cautions

Caution: The Donguibogam states plainly that raw taro is toxic and irritating to the point of being inedible, while cultivated garden taro cooked thoroughly is non-toxic and beneficial — wild taro is noted as unfit to eat even cooked. Never eat taro raw. Consult a professional for medicinal use.

Frequently asked questions

Is raw taro dangerous?

Yes — the Donguibogam explicitly states raw taro is toxic and too irritating to eat, while thoroughly cooked garden taro is non-toxic and nourishing. Always cook taro fully before eating.

Does the Donguibogam distinguish garden taro from wild taro?

Yes — it notes that cultivated garden taro is edible when cooked, while wild taro is described as toxic and unfit to eat even after cooking.

Sources

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