Table 1. Effects of carboxymethyl cellulose (CMC, 0.5%) and CMC with bacteriocin from Bacillus methylotrophicus BM47 (CMC+B) edible coatings on the physicochemical parameters of fresh strawberries during storage at 4 °C and 75% relative humidity.
| t/day | Coating | Parameter | ||||
|---|---|---|---|---|---|---|
| Mass loss/% | Decay/% | w(TSS)/% | TA/% | pH | ||
| 0 | Control | n.d. | n.d. | 8.4 | 0.90±0.03 | 3.63±0.02 |
| CMC | n.d. | n.d. | n.d. | n.d. | n.d. | |
| CMC+B | n.d. | n.d. | n.d. | n.d. | n.d. | |
| 4 | Control | 4.8 | 0 | 8.4 | 0.91±0.06 | 3.60±0.03 |
| CMC | 3.7 | 0 | 8.4 | 0.92±0.05 | 3.61±0.04 | |
| CMC+B | 3.9 | 0 | 8.4 | 0.94±0.06 | 3.58±0.02 | |
| 8 | Control | 9.11 | 10 | 8.7 | 0.96±0.07 | 3.54±0.01 |
| CMC | 7.89 | 10 | 8.4 | 0.97±0.04 | 3.51±0.05 | |
| CMC+B | 7.83 | 0 | 8.4 | 0.99±0.05 | 3.41±0.03 | |
| 12 | Control | 12.34 | 20 | 9.1 | 0.99±0.06 | 3.41±0.06 |
| CMC | 10.46 | 10 | 8.6 | 1.01±0.08 | 3.40±0.05 | |
| CMC+B | 10.5 | 0 | 8.6 | 1.09±0.07 | 3.34±0.04 | |
| 16 | Control | 17.37 | 60 | 9.4 | 1.10±0.04 | 3.32±0.07 |
| CMC | 14.46 | 40 | 8.9 | 1.12±0.06 | 3.30±0.02 | |
| CMC+B | 14.41 | 20 | 8.9 | 1.13±0.08 | 3.24±0.01 | |
The results are expressed as mean value±standard deviation. TSS=total soluble solids, TA=titratable acidity, n.d.=not determined