This section is from the book "Experimental Cookery From The Chemical And Physical Standpoint", by Belle Lowe. Also available from Amazon: Experimental cookery.
(Johnson and Bailey)
Hours fermented | pH | |
0 | 5. 95 | 15. 14 |
2 | ...... | 17. 70 |
4 | ...... | 20. 60 |
6 | 5. 49 | 31. 76 |
8 | 5. 12 | 77.22 |
10 | 4. 60 | 87. 42 |
12 | 4.26 | 89. 42 |
16 | 3. 92 | 92. 14 |
18.5 | 3. 86 | 93. 70 |
Hydrogen-ion Concentration (in Terms of pH) and Titratable Acidity of Bread Dough Suspensions (Bailey and Sherwood)
pH | Dough No. 1 titratable acidity | pH | Dough No. 2 titratable acidity | |
1. Fresh dough...... | 5. 76 | 1. 10 | 5. 75 | 1. 10 |
2. Fresh dough after 5 hours......... | 5. 24 | 3. 36 | 5. 18 | 3. 50 |
3. Baked bread...... | 5. 43 | ......... | 5. 38 | ............... |
 
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