Treatment

Independent variables

Dependent variable

Temp (°C)

Time (min)

Solid-Liquid ratio

Anthocyanin yield (mg/100g)

1

-1

-1

0

110

2

1

-1

0

122

3

-1

1

0

136

4

1

1

0

138

5

-1

0

-1

124

6

1

0

-1

126

7

-1

0

1

120

8

1

0

1

128

9

0

-1

-1

127

10

0

1

-1

135

11

0

-1

1

124

12

0

1

1

138

13

0

0

0

144

14

0

0

0

144

15

0

0

0

142

16

0

0

0

144

17

0

0

0

144

Table 2: Box–Behnken design and experiment data for anthocyanins extraction.