Characteristics

Products

Dehydrated

French fries

Chips

Canned

Tuber shape

Round to oval

Oblong

Round to oval

Round to oval

Tuber size, mm

30

50

40-85

20-35

Eyes

Shallow

Shallow

Shallow

Shallow

Specific gravity

1.080

1.080

> 1.080

< 1.070

Dry matter, %

>20

>20

>20

<18

Reducing sugar (% fresh wt)

0.5

0.5

< 0.15

0.5

After cooking discoloration

Slight

Slight

-

Nil

Enzymic discoloration

Slight

-

-

-

Texture

Fairly firm to mealy

Fairly firm

Fairly firm to mealy

Waxy