Determination of Free Amino Acids in Three Species of Duckweed (Lemnaceae)

Table 1

Information of duckweeds from different regions.

Sample	Species	Site
SP1-7	Spirodela polyrhiza	Yangzhou City of Jiangsu Province
SP8-9	Spirodela polyrhiza	Yancheng City of Jiangsu Province
SP10-11	Spirodela polyrhiza	Nanjing City of Jiangsu Province
SP12-13	Spirodela polyrhiza	Huaian City of Jiangsu Province
SP14-17	Spirodela polyrhiza	Lianyungang City of Jiangsu Province
SP18-19	Spirodela polyrhiza	Linyi City of Shandong Province
SP20-21	Spirodela polyrhiza	Hefei City of Anhui Province
SP22-23	Spirodela polyrhiza	Hangzhou City of Jiangsu Province
SP24-25	Spirodela polyrhiza	Baoding City of Hebei Province
LP1-11	Landoltia punctata	Yangzhou City of Jiangsu province
LP12-16	Landoltia punctata	Huaian City of Jiangsu province
LA1-3	Lemna aequinoctialis	Yangzhou City of Jiangsu Province
LA4-8	Lemna aequinoctialis	Yancheng City of Jiangsu Province
LA9-14	Lemna aequinoctialis	Nanjing City of Jiangsu Province
LA15-16	Lemna aequinoctialis	Lianyungang City of Jiangsu Province
LA17-18	Lemna aequinoctialis	Linyi City of Shandong Province