Komatsuna: Difference between revisions

Mustard spinach, raw
Nutritional value per 100 g (3.5 oz)
Energy	92 kJ (22 kcal)
Carbohydrates	3.9 g
Dietary fiber	2.8 g
Fat	0.3 g
Protein	2.2 g
Vitamins
Vitamins and minerals
Vitamins	Quantity %DV†
Vitamin A equiv.	55% 495 μg
Thiamine (B1)	6% 0.068 mg
Riboflavin (B2)	7% 0.093 mg
Niacin (B3)	4% 0.678 mg
Pantothenic acid (B5)	4% 0.178 mg
Vitamin B6	9% 0.153 mg
Folate (B9)	40% 159 μg
Vitamin C	144% 130 mg
Minerals	Quantity %DV†
Calcium	16% 210 mg
Iron	8% 1.5 mg
Magnesium	3% 11 mg
Manganese	18% 0.407 mg
Phosphorus	2% 28 mg
Potassium	15% 449 mg
Sodium	1% 21 mg
Zinc	2% 0.17 mg
	Link to USDA Database entry
	†Percentages estimated using US recommendations for adults, except for potassium, which is estimated based on expert recommendation from the National Academies.

Komatsuna
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Brassicales
Family:	Brassicaceae
Genus:	Brassica
Species:	Brassica rapa
Variety:	B. rapa var. perviridis
Trinomial name
	Brassica rapa var. perviridis;

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Revision as of 03:56, 13 February 2020

Komatsuna (コマツナ（小松菜）) or Japanese mustard spinach (Brassica rapa var. perviridis) is a leaf vegetable. It is a variety of Brassica rapa, the plant species that yields the turnip, mizuna, napa cabbage, and rapini. It is grown commercially in Japan and Taiwan. It is stir-fried, pickled, boiled, and added to soups or used fresh in salads. It is an excellent source of calcium.^[3] The plant is also used for fodder in some Asian countries.

The name 'komatsuna' means 'greens of Komatsu' in Japanese, a reference to the village of Komatsugawa in Edogawa near Tokyo, where it was heavily grown during the Edo period.^[4] It was named by Tokugawa Yoshimune, the eighth shogun, who visited Edogawa in 1719 for hunting and stopped at the local Katori Shrine for lunch. The shrine priest served him soup with a rice cake and a local leaf vegetable. The shogun was impressed by the flavor of the vegetable so much and named it komatsuna, after the nearby Komatsu River^[5] (which gives Komatsugawa its name). Till this day, the Shin-Koiwa Katori Shrine offers komatsuna to the deities on new year's eve. People who come to the shrine to pray on new year's day are also given komatsuna for good luck in the new year.

The leaves of komatsuna may be eaten at any stage of their growth. In a mature plant they are dark green with slender light green stalks, around 30 centimeters (12") long and 18 cm (7") wide. It is most often grown in the spring and autumn, as it cannot endure extreme heat or cold for more than a short time. Although nowadays it's grown year-round in green houses.

References

^ United States Food and Drug Administration (2024). "Daily Value on the Nutrition and Supplement Facts Labels". FDA. Archived from the original on 2024-03-27. Retrieved 2024-03-28.
^ National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Food and Nutrition Board; Committee to Review the Dietary Reference Intakes for Sodium and Potassium (2019). Oria, Maria; Harrison, Meghan; Stallings, Virginia A. (eds.). Dietary Reference Intakes for Sodium and Potassium. The National Academies Collection: Reports funded by National Institutes of Health. Washington, DC: National Academies Press (US). ISBN 978-0-309-48834-1. PMID 30844154. Archived from the original on 2024-05-09. Retrieved 2024-06-21.
^ Queensland Government, Department of Primary Industries and Fisheries. "Komatsuna: Commercial Production". Archived from the original on 23 August 2009. Retrieved 27 June 2007.
^ "小松菜（こまつな） - 語源由来辞典". 語源由来辞典. Retrieved 20 May 2015.
^ "Cultivating pure tastes from the past". The Japan Times. Retrieved 13 February 2020.

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[FDADailyValues-1] United States Food and Drug Administration (2024). "Daily Value on the Nutrition and Supplement Facts Labels". FDA. Archived from the original on 2024-03-27. Retrieved 2024-03-28.

[NationalAcademiesPotassium-2] National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Food and Nutrition Board; Committee to Review the Dietary Reference Intakes for Sodium and Potassium (2019). Oria, Maria; Harrison, Meghan; Stallings, Virginia A. (eds.). Dietary Reference Intakes for Sodium and Potassium. The National Academies Collection: Reports funded by National Institutes of Health. Washington, DC: National Academies Press (US). ISBN 978-0-309-48834-1. PMID 30844154. Archived from the original on 2024-05-09. Retrieved 2024-06-21.

[3] Queensland Government, Department of Primary Industries and Fisheries. "Komatsuna: Commercial Production". Archived from the original on 23 August 2009. Retrieved 27 June 2007.

[4] "小松菜（こまつな） - 語源由来辞典". 語源由来辞典. Retrieved 20 May 2015.

[5] "Cultivating pure tastes from the past". The Japan Times. Retrieved 13 February 2020.

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 The name 'komatsuna' means 'greens of Komatsu' in Japanese, a reference to the village of Komatsugawa in [[Edogawa, Tokyo|Edogawa]] near Tokyo, where it was heavily grown during the [[Edo period]].<ref>{{cite web|url=http://gogen-allguide.com/ko/komatsuna.html|website=語源由来辞典|title=小松菜 （こまつな） - 語源由来辞典|accessdate=20 May 2015}}</ref> It was named by [[Tokugawa Yoshimune]], the eighth [[shogun]], who visited Edogawa in 1719 for hunting and stopped at the local Katori Shrine for lunch. The shrine priest served him soup with a rice cake and a local leaf vegetable. The shogun was impressed by the flavor of the vegetable so much and named it komatsuna, after the nearby Komatsu River<ref>{{cite web |title=Cultivating pure tastes from the past |url=https://www.japantimes.co.jp/life/2009/12/20/general/cultivating-pure-tastes-from-the-past/ |publisher=The Japan Times |accessdate=13 February 2020}}</ref> (which gives Komatsugawa its name). Till this day, the Shin-Koiwa Katori Shrine offers komatsuna to the deities on new year's eve. People who come to the shrine to pray on new year's day are also given komatsuna for good luck in the new year.
 The leaves of komatsuna may be eaten at any stage of their growth. In a mature plant they are dark green with slender light green stalks, around 30 centimeters (12") long and 18&nbsp;cm (7") wide. It is most often grown in the spring and autumn, as it cannot endure extreme heat or cold for more than a short time.
 ==See also==