Concentration (%)

Species

0.0

0.5

1.0

1.5

2.0

C. ambrosioides L.

214.48 ± 25.52 a

172.70 ± 16.64ab

162.04 ± 53.17 ab

138.12 ± 19.28b

120.75 ± 31.48b

P. bippinatifidum

532.78 ± 32.49a

298.39 ± 38.75 b

197.87 ± 25.76 bc

196.77 ± 39.21 bc

137.93 ± 26.71c