Using water as extracting solvent, the extraction processing parameters of leaf protein from alfalfa were studied.
以水为提取溶剂，对热絮凝法提取苜蓿中叶蛋白的工艺参数进行优化。
Tea polyphenol is the major physiological active component in tea, and it is generally manufactured by liquid-liquid extraction technology, using ethyl acetate as solvent from water extract of tea.
茶多酚是茶叶中主要生理活性物质，其制造方法一般采用液-液萃取工艺，以醋酸乙酯为溶剂，从茶汤中萃取出茶多酚。
The resolution of DL p hydroxyphenylglycine into its D and L isomers was studied by using aromatic sulfonic acid as resolving agent and water as solvent.
以水为溶剂，取代芳磺酸为拆分剂，用诱导结晶法，经成盐、拆分、水解过程，将DL-对羟基苯甘氨酸拆分成D-对羟基苯甘氨酸。
This technology has the advantages of simple operation, high yield and low cost by using water as solvent which is poisonless and pollution free.
该工艺条件具有操作简单、产量高、无毒无污染、成本低等特点。
The extraction from them can keep fresh vegetable because of containing phytoncide, and using ethanol and water as solvent, has not anything residues of harmful material in vegetable.
生姜大蒜富含营养素，可食无毒，含有植物杀菌素，其提取物对蔬菜均有保鲜作用，提取用溶剂乙醇和水不会造成任何有害物质残留。
The extraction from them can keep fresh vegetable because of containing phytoncide, and using ethanol and water as solvent, has not anything residues of harmful material in vegetable.
生姜大蒜富含营养素，可食无毒，含有植物杀菌素，其提取物对蔬菜均有保鲜作用，提取用溶剂乙醇和水不会造成任何有害物质残留。
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