🌸Spring

Soy Sauce (Korean)

간장Ganjang

Glycine max (fermented)

醬油(Jangyu) - Fermented paste oil — the liquid drawn off from fermented soybean paste淸醬(Cheongjang) - Clear sauce — the refined, transparent soy liquid

Korean soy sauce (ganjang) traces its origins to the ancient kingdom of Goguryeo, where fermented soybean preparations were already refined. The Donguibogam classifies it under 곡부 장조 (grain section, fermented paste chapter), noting its cold nature and ability to resolve toxins. Unlike Japanese soy sauce, Korean ganjang is a byproduct of doenjang-making: soybeans are fermented into meju blocks, then soaked in salt brine. The liquid that separates becomes ganjang; the solids become doenjang. This dual-birth gives Korean soy sauce a distinctive character tied to doenjang.

Traditional Medicine

Source: Donguibogam (동의보감)

Nature (性)

Cold (寒)

Flavor (味)

salty

Target Organs (歸經)

Spleen (脾), stomach, Kidney (腎)

Benefits

digestion
Harmonizes the spleen and stomach, resolves food toxins
비위를 고르게 하고 음식의 독을 풀어준다
Source: 동의보감 [탕액편] 곡부 장조
detox
Resolves all manner of toxins and clears heat from the body
일체의 독을 풀고 열을 내린다
Source: 동의보감 [탕액편] 곡부 장조
circulation
Dissolves blood stasis and promotes smooth circulation
어혈을 풀고 혈맥을 통하게 한다
Source: 동의보감 [탕액편] 곡부

Key Compounds

MelanoidinsIsoflavonesAmino acids (glutamic acid)Organic acids

This information is based on traditional Korean medicine texts (Donguibogam) and is for cultural reference only. It does not constitute medical advice.

Seasonal Availability

🌸SpringAvailable year-round

Korean soy sauce is traditionally brewed starting in late winter and separated from doenjang in spring (March-April). Aged soy sauce (3+ years) has deeper, more complex flavors.

Processing Methods (법제)

Traditional fermentation (1-5 years)(전통 양조)

Long fermentation develops complex umami, deep color, and concentrated medicinal properties. The slow breakdown of soy proteins creates beneficial amino acids.

Consumption Tips by Health Goal

Digestion

Use as a primary seasoning in soups and braised dishes. The fermented enzymes aid digestion of other foods in the meal.

Culinary Profile

Flavor

Deep umami with complex salty-sweet notes; aged varieties develop a rich, almost wine-like depth

Texture

Thin, dark liquid with a slightly viscous quality in aged varieties

Common Uses

Primary seasoning for jorim (braised dishes), namul, and bibimbap sauceBase for soup broths and stewsDipping sauce component

Western Substitutes

Tamari (gluten-free alternative)Liquid aminos

Traditional Medicine

Benefits

Key Compounds

Seasonal Availability

Processing Methods (법제)

Consumption Tips by Health Goal

Culinary Profile

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