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Table 3 Summary of RSSC components with significantly different normalised abundance detected by HPLC-APCI-MS in different population subgroups, categorised according to the chemical class

From: Sebomic identification of sex- and ethnicity-specific variations in residual skin surface components (RSSC) for bio-monitoring or forensic applications

Chemical class

Sex

Ethnicity

Male

Female

White

Asian

African

Free fatty acids

10 H

10 L

4 M

4 L

4 H

3 H

3 L

3 M

Wax esters

8 H

8 L

N/A

N/A

N/A

Diglycerides

10 H

10 L

1 M

1 L

1 H

Triglycerides

3 H

3 L

N/A

N/A

N/A

  1. Each number represents the number of components while the letter indicates whether the abundance was high (H), medium (M) or low (L) in that particular group