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Types & Labels

Understanding the Differences Between Genshu, Namazake, and Namachozo — Mastering the Basics of Sake Through Pasteurization and Dilution

Understand the differences between Genshu, Namazake, and Namachozo. By categorizing them through two key factors—the number of pasteurizations and whether water is added—you can easily decode sake labels. This guide covers everything from flavor profiles to proper storage tips.
2026.02.20
Types & Labels
Types & Labels

Does Junmai Sake Have a Polishing Ratio Requirement? The Real Answer

Many guides say Junmai requires 70% polishing — but that rule changed in 2004. Learn what actually defines Junmai sake today and how this "flexible category" affects taste and label reading.
2026.02.20
Types & Labels
Types & Labels

Japan’s 8 Premium Sake Types Explained: The Complete Tokutei Meishoshu Guide

Confused by sake labels? Learn Japan's 8 special designation sake types (Tokutei Meishoshu) — from Junmai Daiginjo to Honjozo — organized by two simple axes: polishing ratio and added alcohol.
2026.02.20
Types & Labels
Ingredients

What Are the Differences Between Kyokai No. 701, 901, and 1801? — Understanding Their Unique Profiles Through Aroma, Acidity, and Sake Style

What are the differences between Kyokai No. 701, 901, and 1801 yeast strains? This practical guide explains their unique characteristics based on key aroma compounds such as ethyl caproate and isoamyl acetate, as well as acidity trends and resulting sake styles. It also clarifies their relationship with ginjo-style sake.
2026.02.19
Ingredients
Ingredients

What Is Kyokai Yeast? — The Role of Yeast in Shaping Sake Aroma and the Differences Between No. 701 and No. 1801

What is Kyokai yeast? This beginner-friendly guide explains the role of yeast in sake brewing, including foamless strains such as No. 701 and No. 901, the characteristics of No. 1801, and their relationship to ginjo aroma. A practical foundation for serious sake learners.
2026.02.19
Ingredients
Ingredients

Is Shinpaku a Defect? — Understanding the Rational Structure of Sake Rice Through Its Starch Composition

Is shinpaku really a defect? This article explores why the starchy core of sake rice is often described as fragile, and explains its structural nature in detail. From starch density differences to the relationship with cracked grain rates, this advanced guide is designed for serious sake learners.
2026.02.19
Ingredients
Ingredients

Yamadanishiki vs Gohyakumangoku vs Miyamanishiki: Japan’s Top 3 Sake Rice Compared

A side-by-side breakdown of Japan's three main sake rice varieties — grain size, shinpaku formation, regional origin, and the flavor profiles each one typically produces in the glass.
2026.02.19
Ingredients
Brewing Mechanisms

What Is Hi-ire? — A Clear Guide to Pasteurization and the Differences Between Namazake, Nama-chozō-shu, and Nama-zume-shu

What is hi-ire in sake brewing? Hi-ire is the process of heating sake to around 60–65°C to stop yeast and enzyme activity and stabilize quality. This article clearly explains the purpose of pasteurization and the differences between namazake, nama-chozō-shu, nama-zume-shu, and standard sake.
2026.02.19
Brewing Mechanisms
Brewing Mechanisms

What Is Dan-Jikomi? — An Easy Guide to Sandan-Jikomi and the Meaning of “Odori”

What is dan-jikomi in sake brewing? This article clearly explains the purpose of sandan-jikomi (three-stage addition) and the role of “odori,” from the perspectives of yeast growth and parallel multiple fermentation. A solid foundation for deeper understanding and exam preparation.
2026.02.19
Brewing Mechanisms
Ingredients

What Is Sake Rice? — The Science Behind Shinpaku and Its Suitability for Sake Brewing

What is sake rice? Is shinpaku really a hole? This article scientifically explains the difference between sake-brewing rice and table rice, the structure of shinpaku, and why it is ideal for sake production. Includes an advanced discussion of its relationship with the polishing ratio.
2026.02.18
Ingredients
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