Tsuruna

Japanese: ツルナ
Tsuruna

Nutrition, Functions & Cooking Tips


This wild plant grows on sunny coastlines and is also known as seaweed. It was named Tsuruna because its stems are often divided and grow like they are creeping along the ground. In Japan, it is known more for its use as a folk medicine than for its food.
○ Nutritional effects: It contains a lot of vitamins and minerals, and is especially rich in iron, the main component of red blood cells. If you make an effort to eat it regularly, it will be effective in relieving anemia and chills.
It is also rich in carotene, with 2700μg per 100g. Carotene is converted into vitamin A in the body and normalizes the stomach mucosa , which is said to relieve excess stomach acid and prevent gastritis and polyps.
It is rich in potassium and has a blood pressure lowering effect, making it an ideal food for people with high blood pressure.
The peak season for vine is from late summer to autumn, when the fleshy leaves and stems are picked and eaten.
It has no particular taste and can be used as is without removing the bitterness. You can eat the raw leaves in miso soup or clear soup, or dress them with sesame seeds or mustard.

Source: Shogakukan Medical Museum of Food Information

Japanese:

《栄養と働き&調理のポイント》


 日あたりのよい海岸に自生する野草で、別名をハマヂシャともいいます。茎がよくわかれて地をはうように伸びることから、ツルナと名づけられました。わが国では食用よりも民間薬として利用されることで知られています。
○栄養成分としての働き
 ビタミン類やミネラルを多く含んでおり、なかでも赤血球の主要成分である鉄分が多いのが特徴。積極的に食べるように心がければ、貧血、冷えの解消に有効に働きます。
 100g中に2700μgとカロテンも豊富。カロテンは体内でビタミンAにかわり、胃の粘膜(ねんまく)を正常にするので、胃酸過多(いさんかた)を緩和し、胃炎やポリープを防ぐといわれています。
 カリウムが多く、血圧降下の作用もあるので、高血圧の人にとっては最適な食品です。
 ツルナの旬(しゅん)は夏の終わりから秋にかけてで、肉厚の葉や茎を摘みとって食用にします。
 クセがなく、アク抜きをしないでそのまま利用できます。生の葉を味噌汁やすまし汁に入れて食べたり、ゴマ和え、からし和えなど和えものにしてもいいでしょう。

出典 小学館食の医学館について 情報

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