Research Article

Chemical Composition and Nutritional Value of Three Sonchus Species

Table 2

Concentrations of carotenoids and vitamins in Sonchus species.

CompoundsS. oleraceusS. asperS. arvensis

Total vitamin A (RAE/100 g)aab
Total carotenoids (mg/100 g)b (100%)a (100%)c (100%)
α-Carotenea (5.69%)b (3.90%)a (7.26%)
β-Caroteneb (94.31%)a (96.09%)a (92.74%)
Total vitamin E (μg/100 g)c (100%)b (100%)a (100%)
α-Tocopherolb (51.63%)b (34.30%)a (71.75%)
α-Tocotrienolb (33.51%)a (43.49%)b (15.43%)
β-Tocopherolnda (8.14%)b (5.14%)
γ-Tocopherolb (14.86%)a (14.07%)c (7.68%)

Values expressed in fresh matter; mean of 5 replicates; data shown in . Means followed by the same letter on the line do not differ by the test of Duncan at the 5% level of significance.