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Table 3 Optimized conditions for starch hydrolysis in the presence of crude and partially purified amylolytic enzymes

From: Saccharification and liquefaction of cassava starch: an alternative source for the production of bioethanol using amylolytic enzymes by double fermentation process

Enzyme*

Enzyme Units (kU mg-1)

Starch** (gL-1)

Function

Time (minutes)

Temperature (°C)

pH

Alpha Amylase (Crude)

2.2

20.0

Liquefaction

120

65

5.0

Alpha Amylase (Partially Purified)

9.2

20.0

Liquefaction

15

65

6.0

Amyloglucosidase (Crude)

91.8

20.0

Saccharification

360

60

5.0

Amyloglucosidase (Partially Purified)

393.0

20.0

Saccharification

90

60

5.0

  1. *Both enzymes were produced by Aspergillus fumigatus KIBGE-IB33.
  2. **Cassava starch.