Table 2 Comparison between Fe₃O₄ NPs and the organically coated Fe₃O₄ NPs in biochemical properties such as chlorophyll content, catalase, and total protein

Fe₃O₄ NPs

0

1.18ⁱ

0.018^gh

1.8 ^g

25

1.27^ghi

0.0133^cg

1.92 ^fg

50

1.4^eg

0.0136^bf

2.04^dg

75

1.48^cf

0.013^dh

2.38^be

100

1.35^fh

0.0139^be

2.38^be

200

1.19^hi

0.0120^gh

2.03^eg

Fe₃O₄@CA NPs

0

1.18ⁱ

0.0118^gh

1.8 ^g

25

1.5^cf

0.015^ad

2.43^ac

50

1.51^bf

0.0132^ch

2.39^be

75

1.62^ac

0.0129^dh

2.5^ac

100

1.44^df

0.0124^eh

2.24^cf

200

1.21^hi

0.0124^eh

2.02^eg

Fe₃O₄@HA NPs

0

1.18ⁱ

0.0118^gh

1.8 ^g

25

1.67^ab

0.0147^ac

2.48^ac

50

1.77^a

0.0157^a

2.77^a

75

1.6^bd

0.0151^ab

2.76^ab

100

1.52^be

0.0141^be

2.34^ce

200

1.27^gi

0.0121^fh

2.42^ad

Fe₃O₄@EDTA NPs

0

1.18ⁱ

0.0118^gh

1.8 ^g

25

1.55^be

0.0139^be

2.48^ac

50

1.52^bf

0.0141^bd

2.4^ae

75

1.47^cf

0.0134^cg

2.4^ae

100

1.39^eg

0.0133^cg

2.36^ce

200

1.28^gi

0.0116 ^h

2.04^dg