Storage period (days)

Sample

Appearance & smell

Storage Temp.

pH Reading

Avg. pH

STD

0

-

White foamy

4˚C

10.73

-

-

28

A

No change in color or odor

4˚C

10.56

10.57

0.01

B

10.56

C

10.59

28

A

Color changed to light Caramel—Sweet smell

25˚C

8.47

8.69

0.16

B

8.83

C

8.76

28

A

Color changed to Caramel—Sweet smell

40˚C

5.58

5.59

0.03

B

5.56

C

5.63

28

A

Color changed to dark Caramel—Post sweet smell

54˚C

4.72

4.56

0.14

B

4.37

C

4.58