Table 1 List of putative copepodamides in freshwater and marine bulk zooplankton samples.

From: Mass spectroscopy reveals compositional differences in copepodamides from limnic and marine copepods

Scaffold

Putative fatty acyl

m/z precursor ion

Described in

Present in

Dihydro-copepodamides (m/z product ion: 432)

14:0

660.5

Grebner 2019

B

15:1

672.5

This study

F

15:0

674.5

This study

B

16:4

680.5

This study

M

16:3

682.5

This study

M

16:2

684.5

This study

B

16:1

686.5

This study

B

16:0

688.6

Grebner 2019

B

17:1

700.5

This study

F

17:0

702.7

This study

F

18:5

706.5

Grebner 2019

M

18:4

708.6

Grebner 2019

B

18:3

710.6

Grebner 2019

B

18:2

712.6

Grebner 2019

B

18:1

714.6

Grebner 2019

B

20:5

734.6

Grebner 2019

B

20:4

736.6

Grebner 2019

F

20:3

738.7

This study

F

20:1

742.6

This study

M

22:6

760.6

Grebner 2019

B

22:5

762.6

Grebner 2019

F

Copepodamides (m/z product ion: 430)

14:0

658.5

Grebner 2019

M

16:4*

678.5

Grebner 2019

M

16:1

684.4

Grebner 2019

M

16:0

686.6

Grebner 2019

M

18:5

704.5

Grebner 2019

M

18:4

706.6

Grebner 2019

M

18:3

708.6

Grebner 2019

M

18:2

710.6

Grebner 2019

M

18:1

712.6

Grebner 2019

M

18:0

714.6

Grebner 2019

M

20:5

732.6

Grebner 2019

M

20:4

734.6

Grebner 2019

M

22:6

758.7

Grebner 2019

M

22:5

760.6

Grebner 2019

M

  1. Putative fatty acid identity was inferred from the neutral loss associated with loss of the acyl group. Presence in marine (M), freshwater (F) or both (B) is indicated. Asterisk (*) indicate compounds found in only one sample. Grebner 2019 corresponds to reference 8 in this study.