DEVELOPMENT OF VISUAL-ACUITY IN RELATION TO PLASMA AND ERYTHROCYTE OMEGA-6 AND OMEGA-3-FATTY-ACIDS IN HEALTHY TERM GESTATION INFANTS

被引:127
作者
INNIS, SM
NELSON, CM
RIOUX, MF
KING, DJ
机构
[1] Department of Paediatrics, University of British Columbia, Vancouver, BC
[2] University of British Columbia, Department of Paediatrics, Research Centre, Vancouver, BC V5Z 4H4
关键词
VISUAL ACUITY; LINOLENIC ACID; DOCOSAHEXAENOIC ACID; INFANT FORMULA; HUMAN MILK;
D O I
10.1093/ajcn/60.3.347
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
The development of preferential looking acuity was studied prospectively to 3 mo of age in exclusively breastfed and formula-fed term gestation infants. The formula contained (% of total fatty acids) 17.9% linoleic acid (18:2 omega-6) and 2.1% alpha-linolenic acid (18:3 omega-3) but no docosahexaenoic acid (22:6 omega-3) or arachidonic acid (20:4 omega-6). The breast milk contained (($) over bar chi +/- SEM) 13.4 +/- 0.8% 18:2 omega-6, 1.5 +/- 0.1% 18:3 omega-3, 0.51 +/- 0.03% 20:4 omega-6, and 0.22 +/- 0.02% 22:6 omega-3. Preferential looking acuity, assessed by the acuity-card procedure, and plasma phospholipid and erythrocyte phosphatidylcholine and phosphatidylethanolamine fatty acids were determined at 14 d and 3 mo of age. There were no significant differences in acuity at 14 d or 3 mo, despite substantial differences in erythrocyte and plasma lipid 22:6 omega-3. Visual acuity was [($) over bar chi(cycles/degree) +/- SD (octaves)] 3.93 +/- 0.54 and 4.77 +/- 0.48 and erythrocyte phosphatidylethanolamine %22:6 omega-3 was (($) over bar chi +/- SE) 7.6 +/- 0.5 and 4.0 +/- 0.2 in the 3-mo-old breast-fed and formula-fed infants, respectively. These studies show that feeding formula containing 2.1% 18:3 omega-3 (approximate to 1.0% energy) results in development of visual acuity similar to breast-feeding in term infants to greater than or equal to 3 mo of age.
引用
收藏
页码:347 / 352
页数:6
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