Table 2.
Average concentrations of sugars and acids in the 86 apple juices, determined by ion chromatography.
| Units | Mean | SD a | % CV b | Min | Max | Range | |
|---|---|---|---|---|---|---|---|
| °Brix | % | 11.4 | 1.2 | 10.5 | 8.1 | 14.2 | 6.1 |
| Sucrose | g L−1 | 33.5 | 11.6 | 34.7 | 8.5 | 63.2 | 54.8 |
| Glucose | g L−1 | 12.0 | 3.9 | 32.7 | 5.4 | 20.7 | 15.3 |
| Fructose | g L−1 | 54.4 | 9.3 | 17.1 | 30.1 | 78.3 | 48.3 |
| Total sugar | g L−1 | 100.0 | 13.5 | 13.5 | 63.2 | 134.4 | 71.2 |
| Malic | g L−1 | 8.80 | 2.46 | 28.0 | 2.2 | 18.9 | 16.7 |
| Citric | g L−1 | 0.104 | 0.060 | 57.8 | 0.000 | 0.308 | 0.308 |
| Succinic | g L−1 | 0.006 | 0.006 | 100.8 | 0.000 | 0.033 | 0.033 |
| Sugar/acid ratio | 12.0 | 3.5 | 29.1 | 5.8 | 33.1 | 27.3 |
a SD = standard deviation. b % CV = percent coefficient of variation calculated as (SD/mean) *100.