Table 2.

Glycoalkaloid (GAs) concentration (mg/kg fresh weight (fw)) and relative composition of parts of the cultivated tomato (S. lycopersicum) plant (Friedman, 2002)

Tomato plant part	α‐tomatine (mg/kg fw)	α‐dehydrotomatine (mg/kg fw)	α‐tomatine (% of total)	α‐dehydrotomatine (% of total)
Large immature green fruit	144	14	91	9
Small immature green fruit	465	54	90	10
Root	118	33	77	23
Calyxes	795	62	93	7
Leaves	975	71	93	7
Small stems	896	138	87	13
Large stems	465	142	75	25
Flowers	1,100	190	85	15
Senescent leaves	4,900	330	94	6