TABLE L.43
Fiber and Antioxidant Content of Lettuce1

Lettuce
Energy (kJ/g) 9.4
Fiber (mg/g.d.w.) 260
Vitamin C (μg/g.d.w.) 840±11
Vitamin E (μg/g.d.w.) 577±14
Lutein (μg/g.d.w) 176±13
Nonidentified xanthophyll (μg/g.d.w.) as lutein equivalent 114±8
β-carotene (μg/d.w.w.) 66±2.3
Total phenolic compounds (mg/g.d.w.) as gallic-acid equivalent 28.5±11

1 On a dry-weight basis. Values expressed as means of triplicate analysis ± SEM.

Source: Nicolle et al., Clinical Nutr., 23:605–614, 2004. With permission.