Hyuganatsu (''Citrus tamurana'', Japanese: 日向夏) is a
citrus
''Citrus'' is a genus of flowering plant, flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as Orange (fruit), oranges, Lemon, lemons, grapefruits, pomelos, and lim ...
fruit and plant grown in Japan. The name comes from
Hyūga, the ancient name of
Miyazaki Prefecture
is a prefecture of Japan located on the island of Kyūshū. Miyazaki Prefecture has a population of 1,073,054 (1 June 2019) and has a geographic area of 7,735 km2 (2,986 sq mi). Miyazaki Prefecture borders Ōita Prefecture to the north, Kuma ...
in
Kyushu
is the third-largest island of Japan's five main islands and the most southerly of the four largest islands ( i.e. excluding Okinawa). In the past, it has been known as , and . The historical regional name referred to Kyushu and its surroun ...
, where the citrus is said to have originated, while means summer. Hyūganatsu grown outside Kyushu are sometimes shipped under different names such as , , or .
Origin
A hyūganatsu sapling was said to have been found in a
Miyazaki garden sometime in the 1820s, after which it became widely cultivated throughout the region. It is theorized to be either a
mutated
In biology, a mutation is an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA. Viral genomes contain either DNA or RNA. Mutations result from errors during DNA or viral replication, mitos ...
yuzu
Yuzu (''Citrus junos'', from Japanese or ) is a citrus fruit and plant in the family Rutaceae of East Asian origin. Yuzu has been cultivated mainly in East Asia, though recently also in New Zealand, Australia, Spain, Italy, and France.
I ...
or perhaps more likely, a chance
hybrid
Hybrid may refer to:
Science
* Hybrid (biology), an offspring resulting from cross-breeding
** Hybrid grape, grape varieties produced by cross-breeding two ''Vitis'' species
** Hybridity, the property of a hybrid plant which is a union of two dif ...
between yuzu and
pomelo
The pomelo ( ), ''Citrus maxima'', is the largest citrus fruit from the family Rutaceae and the principal ancestor of the grapefruit. It is a natural, non-hybrid, citrus fruit, native to Southeast Asia. Similar in taste to a sweet grapefr ...
.
Description
The fruit is of medium size and its shape is round to slightly oblong. When ripe, it turns a light yellow. Its flesh is juicy and sweet with a slightly sour taste.
It is usually eaten cut up, sprinkled with sugar and with most of its rather thick pith intact.
The fruit's
oil
An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is hydrophobic (does not mix with water) & lipophilic (mixes with other oils). Oils are usually flammable and surface active. Most oils are unsaturated ...
is higher than other citrus fruits in
trans-β-farnesene,
l-carvone, and has a higher number of
ketone
In organic chemistry, a ketone is a functional group with the structure R–C(=O)–R', where R and R' can be a variety of carbon-containing substituents. Ketones contain a carbonyl group –C(=O)– (which contains a carbon-oxygen double bo ...
s.
See also
*
Amanatsu
or is a yellowish orange citrus hybrid fruit, a group of cultivars of ''Citrus natsudaidai'', which were discovered in 1740 in the Yamaguchi prefecture of Japan.
Names
''Amanatsu'' means "sweet summer" in Japanese. In Japan, the fruit is kn ...
*
Japanese citrus
A number of citrus fruits are grown in or strongly associated with Japan. Many of these fruits are of Chinese origin, but have been modified or specially bred for cultivation in Japan.
Japanese taxonomy
Japan usually follows the botanical names ...
*
Ōgonkan
or 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 ...
Notes
References
Hyuga Natsuat
Citrus Variety Collection
The UCR Citrus Variety Collection (CVC) is one of the most important collections of citrus diversity in the world. It is used for research, plant breeding, and educational extension activities on the UC Riverside campus in Riverside, California.
...
Hyuganatsu orange (Citrus tamurana Hort. Ex Tanaka) contains a water soluble substance that suppresses bone loss in ovariectomized rats.Effects of storage conditions on the composition of Citrus tamurana Hort. ex Tanaka (hyuganatsu) essential oil
External links
The Flying Kitchen
{{Taxonbar, from=Q130520
Citrus
Fruits originating in East Asia
Japanese fruit