Temperature/˚C

Moisture /%

Acidity/

mol・L⁻¹

Starch/%

Reducing sugar/%

Too low (not suitable)

<20

<58

<3.4

<11

<0.5

Lower (better)

20 - 22

58 - 60

3.4 - 4.0

10 - 12

0.5 - 0.7

suitable

22 - 25

60 - 62

4.0 - 4.5

12 - 14

0.7 - 0.9

Higher (better)

25 - 28

62 - 63

4.5 - 5.0

14 - 16

0.9 - 1.2

Too high (not suitable)

>28

>63

>5.0

>16

>1.2