Agriculture Reference
In-Depth Information
(a)
20
16
12
8
4
40
(b)
35
30
25
20
0
0
5
10
15
20
25
30
35
Days at 5 °C
Figure 13.4
Changes in texture (N) and crude fibre content (g/100 g) in prickly pear cactus stems (cladodes)
held for up to 30 d at 5
C. (
●
): without packaging, (
❍
): packaging in polyethylene bags with holes (high
°
relative humidity) and MAP (
): packaging in modified atmospheres. Vertical bars indicate standard error
of the mean (Guevara
et al
. 2001, with permission).
▼
(a)
(b)
12
14
10
12
8
10
6
8
(d)
4
1.2
(c)
1.0
3
0.8
0.6
2
0.4
1
0.2
0
0.0
0
5
10 15 20 25 30 35
0
5
10
15
20
25
30
35
Days at 5 °C
Days at 5 °C
Figure 13.5
Changes in chlorophyll content (a, total; b, chlorophyll
a
; c, chlorophyll
b
; and d, chlorophyllase
activity) in prickly pear cactus stems (cladodes) hold for up to 30 d at 5
°
C. (●): without packaging, (❍):
packaging in polyethylene bags with holes (high relative humidity) and MAP (▼): packaging in modified
atmospheres. Vertical bars indicate standard error of the mean (from Guevara
et al
. 2001, with permission).
