果糖(かとう)

かとう
noun
fructose; fruit sugar
writtenfoodscience
1. fructose; fruit sugar
A simple sugar (monosaccharide) found naturally in fruits, honey, and some vegetables. It is one of the sweetest natural sugars and is widely used in the food industry.
果物(くだもの)には果糖(かとう)が含(ふく)まれている。
Fruit contains fructose.
果糖(かとう)は砂糖(さとう)よりも甘(あま)みが強(つよ)い。
Fructose is sweeter than table sugar.
清涼飲料水(せいりょういんりょうすい)に使(つか)われる果糖(かとう)ブドウ糖液糖(とうえきとう)の摂取量(せっしゅりょう)に注意(ちゅうい)しましょう。
Be careful about your intake of high-fructose corn syrup used in soft drinks.

Compound of 果(か) ('fruit') and 糖(とう) ('sugar'). The term literally means 'fruit sugar,' reflecting the natural source of this monosaccharide. Essential vocabulary for reading food labels, nutrition information, and health-related articles in Japanese.

Usage

Appears frequently on ingredient lists, in health and diet discussions, and in science education. The compound 果糖(かとう)ブドウ糖液糖(とうえきとう) ('high-fructose corn syrup') is one of the most commonly seen terms on Japanese food packaging.

Common collocations

Similar words

  • 加糖(かとう): sweetened; sugar-added — homophone with different kanji; means adding sugar to something
  • ブドウ糖(とう): glucose — the other common simple sugar; often paired with 果糖(かとう)
  • 砂糖(さとう): sugar — the general everyday word for table sugar (sucrose)
  • 糖分(とうぶん): sugar content — refers to the total amount of sugar in food

Related Words

Homophone: 加糖(かとう) (sweetened)
Compare: 砂糖(さとう) (sugar)
Compare: 糖分(とうぶん) (sugar content)
Related: 乳糖(にゅうとう) (lactose)
general
Added 2026.4.20 18:10 · Revised 2026.9.2 13:02
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