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pyrocatechin

儿茶酚; 焦儿茶酚

The Collaborative International Dictionary of English v.0.48 (gcide)

Oxyphenol \Ox`y*phe"nol\, n. (Chem.)
A phenol, {C6H4(OH)2}, produced by the distillation of
catechin; called also {oxyphenic acid}, and now
{pyrocatechin}.
[1913 Webster]

Pyrocatechin \Pyr`o*cat"e*chin\, n. [Pyro- catechu.] (Chem.)
A white crystalline substance, {C6H4(OH)2}, of the phenol
series, found in various plants; -- so called because first
obtained by distillation of gum catechu. Called also
{catechol}, {oxyphenol}. etc.
[1913 Webster]

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Since these maintenance processes are needed to prevent damage and break-down, energy is needed for them This energy comes from outside the body of the individual organism So there must be a process to transfer a source of energy from outside the body of the organism, which we call food, to the inside, a process we commonly call nutrition If the body size of the organisms is to grow, additional raw material will also be needed from outside Since life on earth depends on carbon-based
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