Shelf Life Determination of Fresh Blueberries (Vaccinium corymbosum) Stored under Controlled Atmosphere and Ozone
Table 3
Firmness penetration peak force (g) of highbush blueberries stored at 4°C or 12°C under controlled atmosphere storage conditions (CAS), ozone (O3), or regular atmosphere (Air) during 10 days.
Firmness penetration peak force (g)
Treatment
Day 0
Day 1
Day 4
Day 7
Day 10
Temperature 4°C
Air
178.0 ± 42.5Aa
138.8 ± 23.7Ba
180.8 ± 17.5Aa
195.3 ± 46.3Aa
185.6 ± 34.3Aa
CAS
159.2 ± 24.7CDa
183.0 ± 26.0ABb
140.5 ± 20.9Db
167.8 ± 36.2BCa
194.4 ± 44.2Aa
O3
159.2 ± 24.7Aa
169.0 ± 26.6Ab
170.1 ± 33.8Aa
176.1 ± 39.1Aa
173.4 ± 51.7Aa
Temperature 12°C
Air
178.0 ± 42.5Aa
167.6 ± 23.3Aa
192.0 ± 17.5Aa
179.5 ± 23.4Aa
219.8 ± 57.3Ba
CAS
196.0 ± 28.9Aab
150.1 ± 26.8Bb
138.5 ± 21.9Bb
146.3 ± 18.4Bb
182.7 ± 35.5Ab
O3
202.8 ± 24.8Ab
146.1 ± 15.1Bb
153.1 ± 15.6Bc
143.5 ± 16.1Bb
169.2 ± 26.6Cb
Means within each row followed by the same capital letter are not significantly different ( > 0.05) from each other. Means within each column followed by the same lowercase letter are not significantly different ( > 0.05) from each other.