Table 2.
Mean (±Standard Error) intakes of essential amino acids of HANDLS study participants, 2009–2010 and percent of sample consuming less than recommended levels.
| EAA | RDA | Men (n=860) | |||||||
| <50 y (n=303) | ≥ 50 y (n=557) | ||||||||
| AA(n=280) | W(n=111) | AA(n=280) | W(n=111) | AA (n=343) | W (n=214) | AA (n=343) | W (n=214) | ||
| mg/kg | X±SE, mg/kg | X±SE, mg/kg | % < RDA | % < RDA | X±SE, mg/kg | X±SE, mg/kg | % < RDA | % < RDA | |
|
| |||||||||
| Histidine | 14 | 25.27±0.76 | 22.86±1.00 | 12.4 | 9.6 | 26.06±0.56 | 24.18±0.71* | 12.2 | 11.9 |
| Isoleucine | 19 | 40.44±1.21 | 36.55±1.59* | 6.2 | 6.1 | 41.80±0.89 | 38.28±1.14* | 7.3 | 7.9 |
| Leucine | 42 | 69.27±2.03 | 64.91±2.68 | 13.0 | 10.4 | 71.46±1.50 | 67.19±1.91 | 14.5 | 13.7 |
| Lysine | 38 | 62.55±2.02 | 54.88±2.67* | 14.0 | 14.8 | 64.82±1.50 | 58.20±1.90** | 16.0 | 20.3 |
| Methionine | 19 | 33.21±0.99 | 30.10±1.30 | 12.4 | 9.6 | 34.46±0.73 | 31.59±0.93* | 11.6 | 12.3 |
| Phenylalanine | 33 | 38.74±1.10 | 36.57±1.45 | 27.5 | 25.2 | 38.13±1.03 | 40.19±0.81 | 33.7 | 36.6 |
| Threonine | 20 | 34.35±1.03 | 30.87±1.36* | 12.4 | 9.6 | 35.86±0.76 | 32.59±0.97** | 12.5 | 15.4 |
| Tryptophan | 5 | 10.00±0.30 | 9.22±0.40 | 6.7 | 5.2 | 10.58±0.23 | 9.65±0.29** | 6.7 | 9.3 |
| Valine | 24 | 45.60±1.33 | 42.24±1.75 | 8.3 | 7.0 | 47.28±0.98 | 44.17±1.25* | 9.0 | 11.0 |
| Women (n=1229) | |||||||||
| <50 y (n= 446) | ≥ 50 y (n=783) | ||||||||
| AA(n=280) | W(n=166) | AA(n=280) | W(n=166) | AA (n=490) | W (n=293) | AA (n=490) | W (n=293) | ||
|
|
|||||||||
| Histidine | 14 | 24.22±0.62 | 24.98±0.81 | 20.8 | 23.7 | 25.37±0.48 | 24.83±0.61 | 25.9 | 22.9 |
| Isoleucine | 19 | 39.41±0.99 | 40.67±1.28 | 13.1 | 12.1 | 41.42±0.76 | 40.34±0.97 | 16.7 | 12.9 |
| Leucine | 42 | 67.69±1.66 | 70.84±2.16 | 26.9 | 27.2 | 70.85±1.28 | 71.04±1.63 | 29.9 | 24.2 |
| Lysine | 38 | 60.82±1.65 | 60.31±2.15 | 27.2 | 32.4 | 63.81±1.28 | 59.98±1.62 | 33.0 | 31.3 |
| Methionine | 19 | 32.39±0.81 | 33.07±1.05 | 21.2 | 23.7 | 34.11±0.62 | 33.13±0.79 | 26.1 | 22.6 |
| Phenylalanine | 33 | 38.14±0.90 | 40.40±1.17 | 49.8 | 45.7 | 39.94±0.69 | 40.42±0.88 | 59.1 | 49.0** |
| Threonine | 20 | 33.54±0.84 | 34.10±1.09 | 22.6 | 24.3 | 35.32±0.65 | 33.88±0.83 | 26.9 | 26.5 |
| Tryptophan | 5 | 10.13±0.25 | 10.40±0.32 | 14.8 | 16.2 | 10.57±0.19 | 10.34±0.24 | 16.5 | 15.9 |
| Valine | 24 | 44.81±1.08 | 46.74±1.41 | 17.7 | 15.6 | 47.03±0.84 | 46.81±1.06 | 20.4 | 16.8 |
Abbreviations: AA- African American, RDA- Recommended Dietary Allowance13,W-White. Means adjusted for energy, income, education.
*
p<.05
**
p< 0.01.
Cysteine intake is included in methionine estimate.