Table 2.
Daily mean intakes of energy, macronutrients, food groups, flavonols and flavones of female adolescents aged 12–18 years from the Suihua area of northern China (n 120), estimated using two FFQ and the average of four three-day 24 h dietary recalls (24-HR), March 2011–February 2012
| 24-HR | FFQ1 | FFQ2 | ||||
|---|---|---|---|---|---|---|
| Mean | sd | Mean | sd | Mean | sd | |
| Macronutrients | ||||||
| Energy (kJ) | 8246 | 1965·1 | 9582 | 2710·8 | 9730 | 3132·6 |
| Protein (g) | 71·56 | 26·32 | 76·02 | 30·72 | 79·26 | 31·54 |
| Fat (g) | 48·67 | 21·06 | 65·69 | 26·45 | 64·23 | 23·52 |
| Carbohydrate (g) | 312·14 | 114·01 | 349·26 | 124·28 | 358·15 | 133·13 |
| Food groups | ||||||
| Cereals (g) | 433·07 | 110·45 | 462·22 | 121·34 | 476·49 | 148·76 |
| Vegetables (g) | 366·34 | 176·57 | 398·97 | 185·90 | 419·55 | 204·45 |
| Fruits (g) | 259·95 | 126·12 | 276·82 | 153·73 | 295·38 | 140·67 |
| Meat (g) | 57·58 | 16·75 | 63·56 | 27·67 | 59·44 | 27·13 |
| Eggs (g) | 29·94 | 19·22 | 36·54 | 21·43 | 31·59 | 21·94 |
| Milk (g) | 56·43 | 18·63 | 72·21 | 17·35 | 60·85 | 19·29 |
| Beans (g) | 25·20 | 9·47 | 29·42 | 10·15 | 33·42* | 16·12 |
| Drinks (ml) | 86·21 | 30·32 | 140·53* | 93·10 | 93·35† | 31·53 |
| Flavonols | ||||||
| Quercetin (mg) | 5·17 | 3·01 | 5·48 | 2·81 | 5·65 | 3·23 |
| Kaempferol (mg) | 4·77 | 1·49 | 5·07 | 2·06 | 5·19 | 2·09 |
| Myricetin (mg) | 2·21 | 1·52 | 2·33 | 1·60 | 2·35 | 1·99 |
| Isorhamntin (mg) | 2·88 | 1·44 | 3·10 | 1·22 | 2·94 | 1·93 |
| Sum of flavonols | 15·03 | 7·48 | 15·98 | 7·71 | 16·13 | 9·26 |
| Flavones | ||||||
| Luteolin (mg) | 2·52 | 1·78 | 3·17 | 1·80 | 3·02 | 1·22 |
| Apigenin (mg) | 0·96 | 0·68 | 1·05 | 0·51 | 1·09 | 0·65 |
| Sum of flavones | 3·48 | 2·47 | 4·22 | 2·32 | 4·11 | 1·88 |
| Total flavonoids (flavonols+flavones) | 18·51 | 9·98 | 20·21 | 10·12 | 20·24 | 11·18 |
*
Significantly different from 24-HR, Wilcoxon signed-rank test, P<0·05.
†
Significantly different from FFQ1, Wilcoxon signed-rank test, P<0·05.