Chemical Composition and Nutritional Value of Three Sonchus Species

Table 3

Mineral concentrations in Sonchus species.

Minerals (mg/100 g)	S. oleraceus	S. asper	S. arvensis
K	^c	^b	^a
Ca	^b	^a	^b
Mg	^c	^b	^a
Cu	^a	^a	^a
Mn	^a	^a	^b
Fe	^a	^b	^c
Zn	^b	^a	^b
Cr	nd	^a	^a
Na	^a	^b	^b
Se	^a	^a	^a

Values expressed in dry matter; mean of 3 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.