Factor

Temperature/˚C

Hour/h

m_starch:m_cat3

Esterification rate/%

Experiment 1

180

8

1:1

80.02

Experiment 2

180

10

2:1

81.18

Experiment 3

180

12

3:1

84.11

Experiment 4

200

8

2:1

80.38

Experiment 5

200

10

3:1

80.94

Experiment 6

200

12

1:1

77.39

Experiment 7

220

8

3:1

90.23

Experiment 8

220

10

1:1

90.67

Experiment 9

220

12

2:1

91.29

Average 1

81.770

83.543

82.693

Average 2

79.570

84.263

84.283

Average 3

90.730

84.263

85.093

Standard deviation

11.160

0.720

2.400