YAMASAN KYOTO UJI 500 Days Aged Koikuchi Soy Sauce 360ml
Quick Analysis Verdict
"For chefs and home cooks seeking authentic, additive-free 500-day aged Koikuchi soy sauce; not ideal for budget, mass-market substitutes."
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Authentic Japanese cooking requiring deep, layered umami—sushi rice seasoning, marinades, and reduction sauces.
Overpriced
Long shelf life when stored in a cool, dark place; refrigeration after opening optional
Key Buying Points
500+ days aging delivers deep umami and a refined, balanced finish that enhances marinades, sauces, and right-out-of-the-bottle flavor.
Artisanal, Tatsuno-brewed in Japan using traditional techniques and multi-sensory quality checks for consistency and soul.
Non-GMO whole soybeans and Non-GMO wheat with 100% sun-dried sea salt; additive-free and strives for purity.
Versatile usage across cuisines: marinades, stir-fries, noodles, and even flavor boosters for seafood and stews.
Heritage craftsmanship: produced in Tatsuno, a historic hub for soy sauce, reflecting long-standing regional expertise.
Premium packaging: 360ml bottle sized for gifting, tasting sessions, or regular use without opening often.
Allergen note: contains soy and wheat; suitable for many plant-based diets but not gluten-free.
The Catch
Premium price point relative to mass-market soy sauces; value hinges on appreciation for traditional aging and craft.
Contains wheat; not suitable for gluten-sensitive individuals or strict gluten-free diets.
Limited regional production and artisanal nature may lead to sporadic availability or supply constraints.
Traditional fermentation means batch variability can occur and may require careful tasting to balance dishes.
Open-time quality may depend on storage conditions; refrigeration is optional but can help longevity.
Performance Scorecard
Common Questions & Expert Insights
Q: Is this soy sauce gluten-free? ▼
Q: Is this vegan-friendly? ▼
Q: Should I refrigerate after opening? ▼
Q: How does it compare to regular soy sauce? ▼
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Q: Is it suitable for low-sodium diets? ▼
Q: What size is the bottle? ▼
Q: Where is Tatsuno located? ▼
Q: Can I use it for sushi rice? ▼
Q: How long is the flavor good after opening? ▼
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