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Table 3 Composition of fatty acids (%) in maternal and umbilical cord plasma of adolescent and adult Brazilian mothers

From: Composition of fatty acids in the maternal and umbilical cord plasma of adolescent and adult mothers: relationship with anthropometric parameters of newborn

Fatty acids Maternal plasma Umbilical Cord plasma
  Adolescents Adults Adolescents Adults
Monounsaturated     
C18:1 (n-9) cis 17.3 ± 5.2 18.0 ± 3.8 15.7 ± 2.4 17.8 ± 7.4
C18:1 (n-9) trans 0.7 ± 0.6 0.6 ± 0.4 0.5 ± 0.5a 0.5 ± 0.5
Essential fatty acids     
C18:2 n-6 (linoleic acid) 31.3 ± 3.9 31.4 ± 6.0 12.5 ± 2.1a 12.8 ± 4.8b
C18:3 n-3 (α-linolenic acid) 0.2 ± 0.3 0.2 ± 0.1 0.5 ± 0.6 0.5 ± 1.3
Long-chain polyunsaturated fatty acids     
C20:4 n-6 (AA)1 5.5 ± 1.2 4.6 ± 2.4a 13.1 ± 2.4a 10.7 ± 4.0b,c
C20:5 n-3 (EPA)2 0.4 ± 0.2 0.4 ± 0.2 0.6 ± 0.3a 1.1 ± 0.8b,c
C22:6 n-3 (DHA)3 1.3 ± 0.5 1.5 ± 0.6 2.8 ± 0.7a 2.7 ± 1.0b
MFA Total 4 20.3 ± 4.7 20.0 ± 3.9 21.2 ± 3.8 21.8 ± 7.2
EFA Total 5 31.5 ± 3.9 31.5 ± 6.0 12.9 ± 2.3a 13.0 ± 4.8b
n-6 PUFA Total6 37.7 ± 4.5 35.8 ± 5.9 26.9 ± 2.4a 23.4 ± 5.7b,c
n-3 PUFA Total7 1.8 ± 0.7 1.9 ± 0.6 3.8 ± 1.2a 3.6 ± 1.9b
PUFA-LC Total8 7.2 ± 1.4 6.3 ± 2.8a 16.3 ± 2.7a 14.0 ± 4.4b,c
Saturated Total 9 35.9 ± 3.3 39.7 ± 4.9a 44.5 ± 3.8a 46.6 ± 6.2b
Trans Total 10 0.8 ± 0.6 0.9 ± 0.8 0.5 ± 0.5a 0.8 ± 0.9
  1. Values presented as mean and standard deviation (n = 40).
  2. 1AA – archidonic acid; 2EPA – eicosapentaenoic acid; 3DHA – docosahexaenoic acid; 4MFA total: total of monounsaturated fatty acid - It includes all the cis position; 5EFA total: total of essencial fatty acids – It includes C18:3 n-3 and C18:2 n-6; 6n-6 PUFA total: total of n-6 polyunsaturated fatty acids – It includes C18:2 n-6, C18:3 n-6, C20:2 n-6, C20:3 n-6, C20:4 n-6 and C22:4 n-6; 7n-3 PUFA total: total of n-3 polyunsaturated fatty acids – It includes C18:3 n-3, C20:5 n-3, C22:5 n-3 and C22:6 n-3; 8PUFA-LC total: total of long-chain polyunsaturated fatty acids – It includes EPA, DHA and AA; 9saturated total - It includes C14:0, C15:0, C16:0 and C18:0; 10Trans total: It includes C 18:1 n-9 trans and C 18:2 n-6 trans.
  3. a different from maternal plasma of adolescents mothers: P < 0.05.
  4. b different from maternal plasma of adults mothers: P < 0.05.
  5. cdifferent from umbilical cord plasma of adolescents mothers: P < 0.05.