Table 1 The drinks investigated in this study
Drink | Manufacturer | Contents (compiled from carton contents labels) |
|---|---|---|
Smooth orange juice (positive control) | Tropicana | Juice of fresh oranges |
Still mineral water (negative control) | Volvic | Still mineral water |
Strawberries and bananas fruit smoothie | Innocent | 22 crushed strawberries 2 pressed apples 2 ½ mashed bananas 1 ½ squeezed oranges 21 pressed red and white grapes A squeeze of fresh lime juice |
Kiwis, apples and limes fruit smoothie | Innocent | 3 ½ pressed apples 1/3 pressed pineapple 2 crushed kiwis 21 pressed red and white grapes ½ fresh lime A dash of spinach and nettle extract |
Pomegranates, blueberries and açai fruit smoothie | Innocent | 86 pressed red and white grapes 2 ½ mashed bananas 1 ½ crushed pomegranate 1 ½ squeezed oranges 153 crushed blueberries 102 peeled açai berries |
Cranberries, blueberries and cherries fruit smoothie | Innocent | 4 pressed apples 54 pressed red and white grapes 29 crushed cherries 160 crushed cranberries 90 crushed blueberries A squeeze of fresh lime juice |
Yoghurt, vanilla bean and honey thickie | Innocent | Fresh low-fat probiotic yoghurt 73% ½ pressed apple Honey 9% Vanilla 0.1% |
‘Homemade’ strawberry and banana fruit smoothie (recipe adapted from Innocent strawberries and bananas fruit smoothie) | Innocent | 450g strawberries 200g mashed banana 315g pressed apples (juice and pulp) 215g squeezed oranges (juice and pulp) 125g pressed green and black grapes (juice and pulp) 15 ml freshly squeezed lime juice |
