Factor

Temperature/˚C

Hour/h

m_starch:m_cat1^*

Esterification rate/%

Experiment 1

180

8

1:1

91.57

Experiment 2

200

10

1:1

90.49

Experiment 3

220

12

1:

85.88

Experiment 4

180

10

2:1

87.13

Experiment 5

200

12

2:1

88.65

Experiment 6

220

8

2:1

90.12

Experiment 7

180

12

3:1

87.12

Experiment 8

200

8

3:1

85.89

Experiment 9

220

10

3:1

91.72

Average 1

88.607

89.193

89.313

Average 2

88.343

89.780

88.633

Average 3

89.240

87.217

88.243

Standard deviation

0.897

2.563

1.070