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Culinary Science Museum

Kito yuzu

Kito yuzu is a protected geographical indication for certified product from Kito in Tokushima. Peel, juice and peel oil are different product forms; the aroma profile includes compounds such as limonene, gamma-terpinene, linalool and Yuzunone, but their proportions depend on fruit and process.

3 sources Ingredient Updated
Whole and halved Kito yuzu showing thick rind and illuminated juice vesicles

Five lenses on the subject

Scientific and molecular

The aroma profile separates the major-volatiles study from the Yuzunone study and is not presented as a COA for one fruit.

Institutions and authority

Geographical origin is protected through GI registration.

What is known and measured

Scientific and molecular Peer-reviewed context

In a comparative GC-MS study of citrus species, limonene, gamma-terpinene and linalool were identified as major compounds in the tested yuzu samples. [1]

Scientific and molecular Peer-reviewed context

A separate study identified Yuzunone as an important contributor to yuzu aroma character; this is research context, not a lot specification. [2]

Institutions and authority Official source

Kito Yuzu is registered in Japan as Geographical Indication number 42. [3]

Parent topic Premium Japanese ingredients Recommended next Washoku, Japanese dietary culture Recommended next Kombu for dashi Recommended next Kioke-fermented shoyu Recommended next Fresh wasabi rhizome Recommended next Hon mirin

Sources and citations

  1. Phytochemical Analysis, Determination of Volatile Flavour Profiles of Citrus Species Fruits.

    Peer-reviewed paper · 2017-04-25 · retrieved 2026-08-06

    Open source

  2. Journal of Agricultural and Food Chemistry, Novel Character Impact Compounds in Yuzu (Citrus junos Sieb. ex Tanaka) Peel Oil.

    Peer-reviewed paper · 2009-02-09 · retrieved 2026-08-05

    Open source

  3. Ministry of Agriculture, Forestry and Fisheries of Japan, Kito Yuzu Geographical Indication registration 42.

    Official government source · retrieved 2026-08-05

    Open source