2.5柿子果汁配方响应面实验
在单因素试验的基础上,选择不同的大豆蛋白、增色剂、护色剂和稳定剂添加量为试验因素,采用Design-Expert 12.0 软件设计响应面试验并进行分析,以确定最佳的饮料配方。响应面试验分析结果如表3所示。
表3 柿子饮料调配响应面试验结果
Table 3 The result of persimmon juice deployment on response surface methodology
序号 |
A-大豆蛋白粉(%) |
B-增色剂 (‰) |
C-护色剂 (‰) |
D-稳定剂 (‰) |
感官评分 |
|
1 |
3.5 |
0.4 |
1.5 |
0.5 |
76 |
|
|
2 |
3 |
0.3 |
2 |
1 |
67 |
|
3 |
2.5 |
0.4 |
2 |
1 |
56 |
|
4 |
3.5 |
0.4 |
1.5 |
1.5 |
79 |
|
5 |
2.5 |
0.3 |
1.5 |
1 |
62 |
|
6 |
3.5 |
0.5 |
1.5 |
1 |
85 |
|
7 |
3 |
0.3 |
1 |
1 |
73 |
|
8 |
3 |
0.4 |
1 |
1.5 |
64 |
|
9 |
3 |
0.3 |
1.5 |
1.5 |
68 |
|
10 |
3 |
0.4 |
1.5 |
1 |
84 |
|
11 |
3 |
0.5 |
1 |
1 |
77 |
|
12 |
3 |
0.4 |
2 |
1.5 |
72 |
|
13 |
2.5 |
0.5 |
1.5 |
1 |
66 |
|
14 |
3.5 |
0.3 |
1.5 |
1 |
81 |
|
15 |
2.5 |
0.4 |
1.5 |
1.5 |
62 |
|
16 |
3 |
0.4 |
2 |
0.5 |
69 |
|
17 |
3 |
0.4 |
1.5 |
1 |
81 |
|
18 |
3.5 |
0.4 |
1 |
1 |
75 |
|
19 |
2.5 |
0.4 |
1 |
1 |
68 |
|
20 |
3 |
0.4 |
1.5 |
1 |
85 |
|
21 |
3 |
0.5 |
1.5 |
0.5 |
73 |
|
22 |
3 |
0.4 |
1.5 |
1 |
83 |
|
23 |
3 |
0.3 |
1.5 |
0.5 |
67 |
|
24 |
3.5 |
0.4 |
2 |
1 |
85 |
|
25 |
2.5 |
0.4 |
1.5 |
0.5 |
62 |
|
26 |
3 |
0.5 |
2 |
1 |
84 |
|
27 |
3 |
0.4 |
1.5 |
1 |
83 |
|
28 |
3 |
0.4 |
1 |
0.5 |
62 |
29 |
3 |
0.5 |
1.5 |
1.5 |
77 |
对表3中的试验数据进行回归分析,得到回归方程为:=83.20+8.75*A+3.67*B+1.17*C+1.08*D+0*AB+5.5*AC+0.75*AD+3.25*BC+0.75*BD+0.25*CD-5.72*A²-2.85*B²-6.35*C²-8.98*D²
对试验数据的方差分析及回归系数的显著性检验情况。