Chemical Composition and Nutritional Value of Three Sonchus Species
Table 2
Concentrations of carotenoids and vitamins in Sonchus species.
Compounds
S. oleraceus
S. asper
S. arvensis
Total vitamin A (RAE/100 g)
a
a
b
Total carotenoids (mg/100 g)
b (100%)
a (100%)
c (100%)
α-Carotene
a (5.69%)
b (3.90%)
a (7.26%)
β-Carotene
b (94.31%)
a (96.09%)
a (92.74%)
Total vitamin E (μg/100 g)
c (100%)
b (100%)
a (100%)
α-Tocopherol
b (51.63%)
b (34.30%)
a (71.75%)
α-Tocotrienol
b (33.51%)
a (43.49%)
b (15.43%)
β-Tocopherol
nd
a (8.14%)
b (5.14%)
γ-Tocopherol
b (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.