果实成熟后为什么会变软

2025-02-11 08:57:28
推荐回答(5个)
回答1:

专业回答您:由于在未成熟的果实中,果胶酸和果胶酸钙含量较多,细胞排列紧密,果实较硬;而随着大量的果胶酸末端的羧基被酯化,形成果胶酸酯,细胞间排列逐渐松散,果实就变软,即所谓的果子熟了。

回答2:

成熟的果实为何会变软、变绵以至水烂解体
是原果胶与纤维素分离变成了果胶,使细胞间失去了黏结作用,因而形成松弛组织
果胶的降解受果实成熟度和贮藏条件双重影响
当果实进一步成熟、衰老时果胶继续被果胶酸酶作用
分解为果胶酸和甲醇,果胶酸没有粘结能力,这时的果实会变得绵软以至于水烂
当果胶进一步分解成为半乳糖醛酸时,果实腐烂解体
果实硬度的变化,与果胶物质的变化密切相关
用果实硬度计来测定苹果、梨等的果实硬度,借以判断成熟度并作为果实的贮藏效果的指标

回答3:

不是所有果实成熟后都会变软的。有的变软如柿子,桃。有的翠如苹果,梨。还有的变硬等等。变软是因为果实成熟后,细胞的呼吸作用。导致某种酶的作用而变软了。

回答4:

并不是所有果实都事软的。又的软,柿子。有的翠,苹果。
有的硬。等等。
变软是因为果实成熟后细胞呼吸作用,导致某种酶作用。

回答5:

正常现象

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