Table 5.
Analyte | Double concentrate | Triple concentrate | Diced tomato | Peeled tomato | Crushed tomato | Tomato sauce | Cherry tomato | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | ±SD | Mean | ±SD | Mean | ±SD | Mean | ±SD | Mean | ±SD | Mean | ±SD | Mean | ±SD | |
Intestinal phase | ||||||||||||||
Protocatechuic acid | 0.000a | 0.000 | 0.001b | 0.000 | - | - | - | - | 0.001b | 0.000 | 0.001b | 0.000 | 0.000a | 0.000 |
Chlorogenic acid | 1.100a | 0.120 | 2.341b | 0.126 | 0.963c | 0.024 | 0.280d | 0.047 | 1.123a | 0.020 | 1.452e | 0.082 | 3.256f | 0.210 |
Caffeic acid | 0.169a | 0.104 | 0.287a | 0.131 | 0.051b, d | 0.001 | 0.045b, d | 0.005 | 0.058c, d | 0.000 | 0.063d, e | 0.022 | 0.120e | 0.056 |
p-coumaric acid | 0.008a | 0.000 | 0.026b | 0.006 | 0.011c | 0.000 | 0.007d | 0.000 | 0.009e | 0.000 | 0.018f | 0.000 | 0.027b, f | 0.011 |
Ferulic acid | 0.059a | 0.018 | 0.145b | 0.020 | 0.097c | 0.014 | 0.049a | 0.014 | 0.114c | 0.009 | 0.142b | 0.008 | 0.186d | 0.012 |
Genistin | 0.003a | 0.001 | 0.005b | 0.000 | 0.018c | 0.001 | 0.001a | 0.001 | 0.025d | 0.000 | 0.028d | 0.003 | 0.038e | 0.008 |
Naringin | 0.021 a | 0.009 | 0.032b | 0.001 | 0.023a | 0.000 | 0.023a | 0.000 | 0.024a | 0.000 | 0.034b | 0.004 | 0.032b | 0.009 |
Quercetin 3-glucoside | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Kaempferol 3-glucoside | 0.001a | 0.000 | 0.001a | 0.000 | - | - | - | - | - | - | - | - | - | - |
Rutin | 1.658a | 0.071 | 3.154b | 0.037 | 0.543c | 0.013 | 0.256d | 0.013 | 0.426e | 0.011 | 1.568a | 0.045 | 1.520a | 0.130 |
Vitexin | 0.024a | 0.002 | 0.048b | 0.004 | 0.013c | 0.000 | 0.001d | 0.001 | 0.017e | 0.000 | 0.018e | 0.002 | 0.041b | 0.009 |
Isorhamnetin 3-rutinoside | 0.008a | 0.001 | 0.008a | 0.000 | 0.002b | 0.000 | 0.002b | 0.000 | 0.002b | 0.000 | 0.001b | 0.001 | 0.008a | 0.002 |
Myricetin | 0.003a | 0.000 | 0.006b | 0.000 | - | - | - | - | - | - | - | - | 0.004c | 0.000 |
Naringenin | 0.404a | 0.024 | 0.478b | 0.032 | 0.098c | 0.000 | 0.068d | 0.000 | 0.168e | 0.000 | 0.224f | 0.023 | 0.321a, f | 0.140 |
Kaempferol | 0.001a | 0.000 | 0.002a | 0.000 | - | - | - | - | - | - | - | - | 0.001a | 0.000 |
Quercetin | 0.002a | 0.000 | 0.005b | 0.000 | 0.003c | 0.000 | 0.002a | 0.011 | 0.002a | 0.000 | 0.003a, c | 0.001 | 0.004c | 0.000 |
Apigenin | 0.002a | 0.000 | 0.004b | 0.000 | 0.002a | 0.000 | 0.001a | 0.000 | 0.002a | 0.000 | 0.002a | 0.000 | 0.003b | 0.000 |
The results are expressed in mg/100 g of fresh weight and reported as mean ± SD from three independent experiments.
Different letters show a significant difference (p < 0.05) among the different typologies of canned tomatoes.