Method: Single factor randomized block design was applied, plant samples were collected and investigated periodically, and dry weight, production and the main active ingredient content were measured.

方法：试验采用单因素随机区组设计，定株定期进行调查测定，收获后测各器官干重、产量和主要有效成分含量。

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Curcumin is an active ingredient of Curcuma Longa. It is a polyphenolic compound extracted from the plant Curcuma Longa.

姜黄素是姜黄属中药的主要药理成分，是从姜黄属中药中提取的酚类物质。

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The American majority owner of that plant, Scientific Protein Laboratories, also owns a plant in Wisconsin that produces the active ingredient in heparin for Baxter.

那个工厂的美国大股东科学蛋白质实验室(Scientific Protein Laboratories)在威斯康辛州也拥有一间为巴克斯特生产肝磷脂活性配料的工厂。

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