树液

in cn •  2 years ago 

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树液

树液,顾名思义,指的就是树的汁液,是一种流体物质,以水份为主,内含矿物质与各种营养成分,维持着植物生长所需的水分和养分,可分为木质部树液和韧皮部树液这两种,树木就是透过这个管道,来将所需的营养成分给输送至各处,有如人体的血液 ...

大多数的树种,其树液是可以食用的,比如著名的加拿大枫糖,许多昆虫亦以吸食树液为食,但也有一些树液的成分比较特殊,无法食用 ...

比如南美洲亚马逊河流域有一种植物 "白奶树",其树液是白色的,味道与营养成分都跟牛奶很相似,被当地人称之为 "白奶树", ...

又比如巴西热带丛林中的油胶树,其树液富含 "倍半萜烯",是一种成分类似于柴油的生物燃料,可不经提炼,直接当作柴油来使用 ...

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  ·  2 years ago  ·  

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