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世界糧食日：10個(gè)糧食冷知識話(huà)你知！
2020-10-16 08:25
來(lái)源： 深圳新聞網(wǎng)綜合
人工智能朗讀：

世界糧食日：10個(gè)糧食冷知識話(huà)你知！

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這幾種“豆”咋區分？

事實(shí)上，各種顏色的豆子可以統稱(chēng)為“大豆”，而黃大豆作為大豆中種植最廣泛品種作為主要指代。大豆的種子種皮顏色和粒形分各有不同，大致分為黃大豆、青大豆、黑大豆、其它大豆、飼料豆五類(lèi)。其它大豆也包含種皮為褐色、棕色、赤色等單一顏色的大豆。

為什么吃多了豆子會(huì )排氣？

豆類(lèi)的糖分主要是大量的低聚糖，可是這種糖無(wú)法被人類(lèi)消化系統消化吸收，于是它完好無(wú)損地穿過(guò)小腸，到達大腸，經(jīng)過(guò)細菌分解產(chǎn)生難聞的硫和甲烷，被當作廢氣排出。

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[編輯：鄭曉鵬]