Macadamia is a fruit tree of the Proteaceae family (APG classification: Proteaceae). There are three species in this genus, which grow naturally in New South Wales and Queensland in Australia. This species is also called Queensland nut, named after its native habitat. It is an evergreen tree that grows to a height of 10 to 15 meters. The leaves are leathery, 10 to 25 cm long, entire or serrated. The flowers are 2.5 cm in diameter and bloom in racemes 20 cm long. The fruits are globular and hard, 2 to 2.5 cm in diameter, with a smooth surface. The seeds are white and fragrant. The seeds are roasted with salt to become commercially available macadamia nuts, and Hawaii is the main producer. 100 grams of nuts contain 720 kcal of energy, 8.3 grams of protein, 76.8 grams of fat, and 10.2 grams of carbohydrates. It is also rich in minerals, with 15 mg of calcium, 550 mg of phosphorus, 6.2 mg of iron, 4 mg of sodium, and 690 mg of potassium, as well as 0.21 mg of vitamin B1 and 2.1 mg of niacin. It melts in your mouth when you bite into it, has a fine texture, and is delicious. It can be cultivated in Japan, but it is vulnerable to wind due to its shallow root system, and is not commercially cultivated in Japan, where typhoons are frequent. [Muneo Iizuka April 17, 2020] ©Shogakukan "> Macadamia nuts They are spherical and hard, measuring 2-2.5cm in diameter. The seeds are white and fragrant, and salt-roasted macadamia nuts are sold commercially. ©Shogakukan Photo by Masatoshi Hirose "> Macadamia fruit Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
ヤマモガシ科(APG分類:ヤマモガシ科)マカダミア属の果樹。本属には3種あり、オーストラリアのニュー・サウス・ウェールズとクイーンズランドに自生する。本種は自生地の名をつけ、クイーンズランドナッツともよばれる。常緑高木で高さ10~15メートル。葉は革質で長さ10~25センチメートル、全縁または鋸歯(きょし)がある。花は長さ20センチメートルの総状花序につき、紅色で花径2.5センチメートル。果実は球状で堅く、径2~2.5センチメートル、表面は平滑である。種子は白色で芳香がある。この種子を塩炒(い)りしたものが市販のマカダミアナッツで、ハワイがおもな生産地となっている。ナッツ100グラム中には720キロカロリーのエネルギーがあり、タンパク質8.3グラム、脂質76.8グラム、糖質10.2グラムが含まれる。またカルシウム15ミリグラム、リン550ミリグラム、鉄6.2ミリグラム、ナトリウム4ミリグラム、カリウム690ミリグラムで無機質に富み、そのほかビタミンB10.21ミリグラム、ナイアシン2.1ミリグラムも含まれる。かむととろけるほどで、きめが細かく、美味である。日本でも栽培可能ではあるが、浅根性のため風に弱く、台風の多い日本での経済栽培はない。 [飯塚宗夫 2020年4月17日] ©Shogakukan"> マカダミアナッツ 球状で堅く、径2~2.5cm。種子は白色で芳香があり、塩炒りしたものがマカダミアナッツとして市販されている©Shogakukan 撮影/広瀬雅敏"> マカダミアの果実 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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