The extraction of flavone by methanol from sweet carambola leaves was studied by a single factor test and orthogonal design test.
利用甲醇浸提、单因素试验和正交试验探讨了从甜杨桃叶中提取黄酮的最佳工艺条件。
2
With some particular introduction and discussion around component design, component extraction, component test and classification, component store and retrieval.
其中，对构件的设计、提取、分类、测试以及检索等重要环节加以了详细的介绍和讨论。
3
The above study has essentially determined the extraction process of lycopene from tomato skin, test method of lycopene content as well as storage method of raw material.