Optimization of extraction conditions and qualitative and quantitative analysis of volatile components of alfalfa

• YUAN Ning, 
• Terigele, 
• SUN Lin, 
• JIA Yushan, 
• Gegentu, 
• WANG Zhijun, 
• LU Qiang, 
• LI Yuyu, 
• LI Junfeng, 
• SUN Pengbo