Ōgonkan
Ki-mikan (黄蜜柑?) or Ōgonkan (黄金柑?) | |
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C. flaviculpus
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Citrus flaviculpus hort. ex. Tanaka |
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Ōgonkan (黄金柑 "golden citrus"?) or Ki-mikan (黄蜜柑 "yellow mikan"?) are the common names for a small sized variety of Japanese citrus, whose rind is of a characteristic "golden" bright yellow color.
The variety has been published as the species Citrus flaviculpus by Chōzaburō Tanaka in his 160-species scheme, but this is considered an effort of a "splitter," as opposed to Swingle's classification system which is generally preferred in the West.
Alternate spellings (romanizations) include "Ougonkan"[1] or "Ogon-kan".[2] It has also been called "Golden orange" in Kanagawa Prefecture.
Contents
History
The variety has long been known in Kagoshima Prefecture as Ki-mikan (黄蜜柑 "yellow mikan"?) but, precise origins are unknown.[3]
According to one assertion, it has been known in Higashi-ichiki-chō (ja) and its neighborhood (now Hioki, Kagoshima) since the Meiji Period.[citation needed] Anecdotally in this Hioki area, it has been told that the variety was either introduced by the Jesuit Francisco de Xavier[citation needed], or brought back from the Korean Peninsula during the campaigns in the late 16th century (Hideyoshi's invasions of Korea).[citation needed]. It has been suggested that the name "Ōgonkan" was dubbed by Harutarō Muramatsu (村松春太郎?) who introduced the variety to Ehime Prefecture,[citation needed] but this too is poorly documented.
Fruit
The small fruit has a diameter of 4 to 5 cm, weighing 60 to 80 g.[4] The rind, which is bright yellow, can be peeled by hand but with difficulty.[5] It issues a distinct fragrance, and is considerably sweet tasting, with some balancing acidity. Harvested from February to April. Seedless (Self-incompatibility) traits have been observed.[6]
Its fragrances is similar to the Hyuganatsu, which is another bright yellow citrus that is larger-sized,[4] but somewhat sweeter by comparison. And like the Hyuganatsu, the white pit (albedo) may be eaten.[4]
The rind's cold-pressed oil has been studied for fragrance factors, and was found to contain limonene (roughly 80%), followed by the monoterpene Gamma-terpinene (10%), trans beta-farnesene, and myrcene,[7] showing similarity to Hyuganatsu's peel profile, though with quantitative differences in concentrations.[7]
Regional production
According to government (MAFF) statistics for FY2010, crop yield of the Ōgonkan totaled 137.3 t (metric tons) in all of Japan, with 108.2 t shipped to market, none of it classed as processed goods (i.e., juices, etc.) in the statistics. Kanagawa Prefecture produced 93.4 t, representing 68% of the national total, followed by Shizuoka Prefecture with 25.0 t (18%), Ehime Prefecture with 13.9 t, and Kōchi Prefecture with 5.0 t.[8] Major cultivating areas listed are Odawara and Yugawaracho (Kanagawa pref.), Numazu, Shizuoka, Uwajima, Seiyo, Imabari (Ehime pref.), and Kōnan, Kōchi.[8]
Hybrid crossing
The Ōgonkan was the pollinating parent for the hybrid cultivar Hime-Koharu (媛小春?) developed by Ehime Prefecture, and was the seed parent of Shonan Gold developed by Kanagawa Prefecture.[1][2][4][9]
See also
Notes
- ↑ 1.0 1.1 Shigematsu et al. 2008
- ↑ 2.0 2.1 Manago et al. 2004
- ↑ Manago et al. 2004, p. 36. This source further cites: Lua error in package.lua at line 80: module 'strict' not found., Lua error in package.lua at line 80: module 'strict' not found., and Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 4.2 4.3 Choi & Sawamura 2001, p. 48
- ↑ Manago et al. 2004, p. 36
- ↑ Yamamoto, Kubo & Tominaga 2006
- ↑ 7.0 7.1 Choi & Sawamura 2001
- ↑ 8.0 8.1 Lua error in package.lua at line 80: module 'strict' not found. 都道府県別 平成22年産 (Citrus production statistics by prefecture, FY 2010) Excel
- ↑ Lua error in package.lua at line 80: module 'strict' not found. 媛小春(Hime-Koharu 17067)湘南ゴールド(Shonan Gold 11469) (English page links provided, but without any substantive description)
References
- Lua error in package.lua at line 80: module 'strict' not found. JOI:JST.JSTAGE/bbb/65.48 (PDF)
- Lua error in package.lua at line 80: module 'strict' not found. JOI:JST.JSTAGE/jjshs/75.372([https://www.jstage.jst.go.jp/article/jjshs/75/5/75_5_372/_pdf PDF)
- 山本雅史, 久保達也, 冨永茂人「カンキツにおける自家および交雑不和合性」 園芸学会雑誌 75巻5号(2006年)
- In Japanese with English abstracts
- Lua error in package.lua at line 80: module 'strict' not found. (w/English title and abstract) Agriknowledge (with PDF link); Agri-kanagawa (pdf)
- =Lua error in package.lua at line 80: module 'strict' not found.
- Lua error in package.lua at line 80: module 'strict' not found., JGLOBAL ID:200902281400290696, (pdf)
- =Lua error in package.lua at line 80: module 'strict' not found.
External links
- Registration kind database (MAFF cutivar registration database. Available in English with limited information.