pH

Acidity (malic acid/100g)

Soluble solids (°Brix)

Pure-pressed apple juice

4.00

2.07

10.5

Apple juice concentrate I* - at processing temperature:

 

 

 

 90 °C

3.81

3.08

12.0

100 °C

3.81

3.19

12.4

110 °C

3.80

3.28

12.6

120 °C

3.79

3.26

12.6

Apple juice concentrate II† - at processing temperature:

 

 

 

 90 °C

3.60

3.38

19.8

100 °C

3.59

3.51

20.2

110 °C

3.58

3.57

20.3

120 °C

3.58

3.64

20.5

Reconstituted apple juice# - from concentrate processed at:

 

 

 

 90 °C

3.94

2.12

9.5

100 °C

3.93

2.21

9.6

110 °C

3.94

2.18

9.8

120 °C

3.93

2.30

9.8

Commercial reconstituted apple juice

3.80

3.02

10.6


* Apple juice concentrate with 30% volume reduction
† Apple juice concentrate with 70% volume reduction
# Reconstituted apple juice made from apple juice concentrate II
Table 1: Physicochemical properties of apple juice and concentrates.