Table 7.
Equation of the curve for degradation, constant reaction rate and half-life of anthocyanins in chokeberry juices.
| Juice/Drink | Equation for the Curve of the Logarithm of Substrate Concentration versus Time t [d] for First-Order Reactions | R2 | k [d-1] | t1/2 [d] | |
|---|---|---|---|---|---|
| cyanidin-3-O-galactoside | |||||
| Clarified | No additives | y= −0.0055x + 1.8526 | 0.9926 | 5.5 × 10−3 | 126.0 |
| Ascorbic acid | y= −0.0094x + 1.8129 | 0.9567 | 9.4 × 10−3 | 73.7 | |
| Cinnamon extract | y= −0.0076x + 1.8290 | 0.9995 | 7.6 × 10−3 | 91.2 | |
| Clove extract | y= −0.0076x + 1.8558 | 0.9957 | 7.6 × 10−3 | 91.2 | |
| Cloudy | No additives | y= −0.0054x + 1.8773 | 0.9975 | 5.4 × 10−3 | 128.3 |
| Ascorbic acid | y= −0.0119x + 1.8314 | 0.9570 | 11.9 × 10−3 | 58.2 | |
| Cinnamon extract | y= −0.0069x + 1.8103 | 0.9980 | 6.9 × 10−3 | 100.4 | |
| Clove extract | y= −0.0053x + 1.8097 | 0.9960 | 5.3 × 10−3 | 130.8 | |
| cyanidin−3-O-glucoside | |||||
| Clarified | No additives | y= −0.0071x + 0.6602 | 0.9852 | 7.1 × 10−3 | 97.6 |
| Ascorbic acid | y= −0.0116x + 0.5786 | 0.9244 | 11.6 × 10−3 | 59.7 | |
| Cinnamon extract | y= −0.0092x + 0.6300 | 0.9950 | 9.2 × 10−3 | 75.3 | |
| Clove extract | y= −0.0091x + 0.6645 | 0.9998 | 9.1 × 10−3 | 76.2 | |
| Cloudy | No additives | y= −0.0068x + 0.6733 | 0.9755 | 6.8 × 10−3 | 101.9 |
| Ascorbic acid | y= −0.0142x + 0.6062 | 0.9537 | 14.2 × 10−3 | 48.8 | |
| Cinnamon extract | y= −0.0085x + 0.6175 | 0.9912 | 8.5 ×10−3 | 81.5 | |
| Clove extract | y= −0.0067x + 0.6043 | 0.9871 | 6.7 × 10−3 | 103.4 | |
| cyanidin-3-O-arabinoside | |||||
| Clarified | No additives | y = −0.0065x + 1.7102 | 0.9874 | 6.5 × 10−3 | 106.6 |
| Ascorbic acid | y = −0.0105x + 1.6880 | 0.9536 | 10.5 ×10−3 | 66.0 | |
| Cinnamon extract | y = −0.0090x + 1.6972 | 0.9947 | 9.0 × 10−3 | 77.0 | |
| Clove extract | y = −0.0088x + 1.7321 | 0.9996 | 8.8 × 10−3 | 78.8 | |
| Cloudy | No additives | y = −0.0066x + 1.7454 | 0.9953 | 6.6 × 10−3 | 105.0 |
| Ascorbic acid | y = −0.0124x + 1.6865 | 0.9635 | 12.4 × 10−3 | 55.9 | |
| Cinnamon extract | y = −0.0084x + 1.6881 | 0.9930 | 8.4 × 10−3 | 82.5 | |
| Clove extract | y = −0.0064x + 1.6794 | 0.9918 | 6.4 × 10−3 | 108.3 | |
| cyanidin-3-O-xyloside | |||||
| Clarified | No additives | y = −0.0076x + 0.9343 | 0.9343 | 7.6 × 10−3 | 91.2 |
| Ascorbic acid | y = −0.0116x + 0.8695 | 0.9430 | 11.6 × 10−3 | 59.7 | |
| Cinnamon extract | y = −0.0098x + 0.8939 | 0.9947 | 9.8 × 10−3 | 70.7 | |
| Clove extract | y = −0.0095x + 0.9329 | 1.000 | 9.5× 10−3 | 72.9 | |
| Cloudy | No additives | y = −0.0073x + 0.9528 | 0.9794 | 7.3× 10−3 | 94.9 |
| Ascorbic acid | y = −0.0139x + 0.9083 | 0.9593 | 13.9 × 10−3 | 49.9 | |
| Cinnamon extract | y = −0.0093x + 0.8911 | 0.9929 | 9.3 × 10−3 | 74.5 | |
| Clove extract | y = −0.0073x + 0.9010 | 0.9894 | 7.3 × 10−3 | 94.9 | |