Fiber is mostly made up of a polymer called cellulose, which is not digested because humans do not have the necessary enzymes to process it.

膳食纤维主要成分是一种叫做纤维素的聚合物。由于缺少必需的消化酶，人类无法消化纤维素。

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Microbiogen USES dilute sulphuric acid to break down another component of the plant cell wall: a complex polymer called hemicellulose, which binds cellulose microfibres together.

Mirobiogen使用稀硫酸打破了植物细胞壁的另一个组成部分：称为半纤维素的复杂复合物，它将纤维素捆绑在一起。

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Methyl cellulose is a kind of non-ionic water-soluble polymer.

甲基纤维素是一种非离子型水溶性聚合物。

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They would be converted into glucose (of which cellulose, which makes up much of the dry weight of a plant, is a polymer) and the glucose would be shipped around much as oil is today, for eventual conversion into biofuels and bioplastics.

ECONOMIST: Face value