纯种

结论：利用纯种发酵可以保证淡豆豉生产的稳定性和提高产品质量。

方法：以高效液相色谱法分别测定自然发酵和纯种发酵淡豆豉中染料木素和大豆黄素的含量并进行比较。

摘要目的：研究纯种发酵对淡豆鼓主要有效成分的影响。

结果：纯种发酵淡豆豉中染料木素和大豆黄素的含量均高于自然发酵。

Pure Bright Festival; Tomb Sweeping Day; Qingming Festival

Gold can't be pure and man can't be perfect.

Ultra-pure Water Purifiers

International Union of Pure and Applied Chemistry，IUPAC

radiochemically pure

clear and pure

chemically pure

catalogue memory (pure associative memory)