Food · Sweeteners
Joha-kuto (Standard Japanese White Sugar)
上白糖 (Joha-kuto)
Also known as: Joha-kuto, Standard Japanese white sugar, White sugar (Japan), Soft white sugar, Japanese kitchen sugar
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| Category | Food |
|---|---|
| Japanese labeling name | 車糖 上白糖 |
| Common Japanese notations | 上白糖, ジョウハクトウ, 白砂糖, 車糖上白糖 |
| Origin | Standard Japanese household white sugar — produced from imported cane sugar by Japan's major refiners; characterized by fine particle size and small added invert sugar (1-2%) which gives the soft, slightly moist texture distinctive to Japanese white sugar; the dominant household and foodservice sugar in Japan with annual consumption far exceeding all other sugars combined |
| Typical functions | Universal household and foodservice sugar — the default 'sugar' in most Japanese kitchens, Baking, beverages, sauces, dressings — broad-spectrum cooking and confectionery, Industrial processed-food sweetener — beverages, packaged confectionery, sauces, dressings, Standard reference for Japanese sugar pricing and supply |
| Regulatory status in Japan | Joha-kuto is a JAS-defined sugar category (車糖 上白糖). Standard food labeling applies. Imported cane sugar source — country of origin is generally not required at retail but is disclosed by major brand producers. Joha-kuto is not a designated allergen. |
Joha-kuto (上白糖) is Japan's standard household and foodservice white sugar — the dominant sugar product in the Japanese market by a substantial margin, accounting for the majority of total sugar consumption. It is distinguished from standard granulated sugar (グラニュー糖, gran-tou — the international standard white sugar) by its finer particle size and the addition of 1-2% invert sugar (転化糖, glucose-fructose syrup), which gives joha-kuto its distinctive soft, slightly moist texture, easier dissolution in cooking, and slightly higher hygroscopicity. The OEM positioning is universal: as the default cooking sugar for Japanese household and foodservice (broader applications than sanonto's traditional/cooking-specific positioning), as the volume sweetener for processed-food production (beverages, packaged confectionery, sauces, dressings), and as the standard reference point for Japanese sugar supply economics. Major refiners (Mitsui Sugar, DM Sankyo Sugar, Hokuren, Sanuki Sugar) produce joha-kuto from imported cane (Brazil, Australia, Thailand) at substantial industrial scale.
Classification
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Product applications
Functions
Regulatory tags
Origin
Used in (typical product categories)
Finished-product categories that commonly include this ingredient in Japanese-market formulations.
- Joha-kuto retail packs (1kg standard household, plus smaller portion packs)
- Bulk commercial supply for foodservice and processed-food production
- Branded retail (Mitsui Spoon, DM Sankyo, Hokuren, Sanuki Sugar)
- Cube sugar (角砂糖, kakuzato) — joha-kuto pressed into cubes
- Industrial sugar supply (the volume-leading sugar category in Japan)
What it is
Joha-kuto is a JAS-classified sugar in the 車糖 (kuruma-tou) category, the soft-textured Japanese white sugar standard. The international standard white sugar — granulated sugar (gran-tou) — is a separate category in Japan with coarser, drier particles and lower hygroscopicity. Joha-kuto's distinctive characteristics come from: (1) fine milling to small particle size; (2) intentional addition of 1-2% invert sugar (transglucosidic invert syrup) which prevents recrystallization, retains slight moisture, and produces the soft texture. This makes joha-kuto easier to dissolve in cooking, slightly stickier in handling, and more prone to caking in humid storage.
Composition: approximately 97-98% sucrose, 1-2% invert sugar (glucose+fructose), <1% moisture. Per 100g: 391 kcal, 99.3g carbohydrates. Effectively pure carbohydrate calorie source.
Industrial supply: produced by Japan's major sugar refiners (Mitsui Sugar 'Spoon brand' is the volume retail leader, DM Sankyo Sugar, Hokuren, Sanuki Sugar). Source cane is imported (Brazil, Australia, Thailand). Annual joha-kuto production is the volume leader of the Japanese sugar industry, exceeding all other sugar categories combined.
Typical uses in Japanese products
Universal household and foodservice cooking sugar — the default 'sugar' in most Japanese kitchens. Used for everything from baking to beverages to sauces, dressings, and Japanese cuisine where a clean, neutral sweetener is required.
Baking and confectionery — Japanese-style sponge cake (kasutera, made traditionally with joha-kuto), Japanese-style cookies, doughnuts, and packaged confectionery use joha-kuto as the standard sweetener.
Beverage industry — coffee shops, tea shops, restaurants, and beverage manufacturers use joha-kuto as the volume sweetener.
Industrial sweetener — the volume sugar input for Japanese processed-food production (sauces, dressings, dairy products, beverages, candy, biscuits, etc.).
Cube sugar (角砂糖) — joha-kuto pressed into cubes for tea/coffee retail.
For OEM: joha-kuto retail packs (1kg standard, smaller portion packs, large-volume retail), commercial bulk for foodservice and processed-food production, sweetener ingredient supply for beverage and confectionery manufacturers, and cube sugar OEM.
Regulatory classification in Japan
Standard food labeling. JAS classification as 車糖 上白糖 (kuruma-tou joha-kuto) applies.
Distinction from granulated sugar (グラニュー糖, gran-tou): joha-kuto has finer particles and added invert sugar; gran-tou is the international standard with no added invert. These are separate products in Japan.
Source cane disclosure: imported (Brazil, Australia, Thailand). Major brands provide raw material origin information.
Joha-kuto is not a designated allergen.
Regulatory classification in other markets
| EU | Imported as Japanese specialty white sugar. International market generally uses granulated sugar standard. |
|---|---|
| USA | Imported under FDA standard food procedures. Niche specialty in Japanese-cuisine channels. |
| China | Imported under GACC rules. China has substantial domestic sugar industry. |
| Korea | Imported as Japanese specialty. Korea has its own sugar refining industry. |
Example products
Example finished products will be added after verification of producer (Mitsui Spoon / DM Sankyo / Hokuren / Sanuki / other), grade, retail or commercial format, and target application.
All brand names and product names referenced anywhere on this site are the property of their respective owners. Example entries are provided for informational purposes only and do not imply endorsement.
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FAQ for OEM buyers
Q. What's the difference between joha-kuto and granulated sugar (gran-tou) for OEM positioning?
Joha-kuto and gran-tou are distinct sugar categories in Japan: (1) Joha-kuto (上白糖) — fine particle size, contains 1-2% added invert sugar (glucose-fructose syrup), soft and slightly moist texture, dissolves easily in cooking. The standard Japanese household and foodservice sugar. Volume leader in Japan. (2) Gran-tou (グラニュー糖) — coarser particle size, no added invert sugar, drier and free-flowing texture, slower to dissolve. The international standard 'granulated sugar' is gran-tou. Used for premium coffee/tea sweetening, premium baking (where the dryness aids structure), and any application where the soft texture of joha-kuto is undesirable. For OEM positioning: most Japanese-cuisine and Japanese-style baking applications use joha-kuto; international-style baking, premium beverages, and applications requiring dry sugar use gran-tou; processed-food production may use either depending on application — joha-kuto for sauces, dressings, soft beverages; gran-tou for hard candy, premium confectionery requiring crystalline sugar structure. Substitution between the two affects texture and behavior — they are not interchangeable in precise applications.
Sources · Last reviewed: 2026-04-28
- Japan Sugar Refiners' Association sugar classification documentation
- Editorial — Japan sugar category positioning reference
References
- MEXT Standard Tables of Food Composition — 車糖 上白糖
- Japan Sugar Refiners' Association industry statistics
- Mitsui Sugar / DM Sankyo product documentation
Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.