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HOME GARDEN TECHNOLOGY LEAFLET 18

PROCESSING, PRESERVATION AND STORAGE

BLANCHING

Steam blanching

DRYING

Sun drying

Shade drying

FIGURE 1
Placing the drying rack on a pedestal standing in a container of water prevents crawling insects from reaching the food

Solar drying

CURING

TABLE 1
Conditions under which to cure roots and tubers

Food

Temperature (oC)

Relative humidity (%)

Days

Potatoes

15-20

85-90

5-10

Sweet potatoes

30-32

85-90

4-7

Yams

32-40

90-100

1-4

Cassava

30-40

90-95

2-5

STORAGE

Dried or cured food

Fresh roots and tubers


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