Water-soluble protein extracts is the most ideal protein to be further purified and studied.
水溶性蛋白提取物是进行进一步纯化和研究的最为理想的提取物。
The extracts from HPLC could react with polyphenol oxidase purified partially from betelnut and result in browning products.
其分部收集液能与已部分纯化的多酚氧化酶相互作用，形成褐变产物；
Methods the chemical compositions of the petroleum ether extracts were isolated and purified by chromatographic methods. The structure of acquired compounds was identified by spectrum method.
方法采用多种色谱方法对其含有的化合物进行分离纯化，利用波谱法对得到的化合物进行结构鉴定。
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