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Table 3 Chemical constituents identified for APE using LC-MS analysis

From: Mechanism of corrosion protection in chloride solution by an apple-based green inhibitor: experimental and theoretical studies

Formula

Retention time (min)

m/z

wt.%

C16H14F2N4O4

0.40

365.0968

7.0

C3H4N2NaO2+

2.37

120.0807

9.4

C32H54N8O9

3.22

695.3990

10.4

C40H54N8O11

3.59

801.3981

4.4

C31H44N2O4

4.73

509.3329

7.5

C31H43N5O

4.95

518.3360

17.3

C31H41N5O

5.79

502.3437

3.1

C26H50NO7P

6.65

520.3352

19.3

C27H41N7O2

6.97

496.3261

7.0

C17H32N6O2

8.56

353.2603

4.9

C42H63O4P

9.87

663.4440

9.7