Table 3. Effects of reaction condition and enzyme type on the number of surface pores.
| Reaction time (h) | Temperature (°C) | The type of enzymes applied1) | |||||
|---|---|---|---|---|---|---|---|
| A | B | G | |||||
| The number of granule surface pores | |||||||
| 2 | 30 | 80–100 | (-)2) | 4–10 | (-) | 20–50 | (-) |
| 40 | 30–50 | (+) | 30–80 | (-) | 50–70 | (-) | |
| 4 | 30 | 40–60 | (-) | 4–15 | (-) | 30–80 | (-) |
| 40 | <20 | (++) | 100–160 | (-) | 40–70 | (+) | |
| 8 | 30 | 30–50 | (+) | 10–20 | (-) | 50–80 | (-) |
| 40 | <10 | (+++) | 140–200 | (-) | 20–30 | (++) | |
1) A, α-amylase; B, β-amylase; and G, glucoamylase.
2) The signs in the parenthesis indicate disintegration degree of starch granule in terms of the number of broken granules (-, none; +, a few; ++, often; +++, almost).