ẢNH HƯỞNG CỦA BA LOẠI BAO TRÁI LÊN MÀU SẮC VỎ VÀ PHẨM CHẤT TRÁI XOÀI CÁT C U VÀ CÁT HÒA LỘC (MANGIFERA INDICA L.) docx

T Phn p, Thy s Sinh hc: 26 (2013): 171-179

171

A BA LOC V M CHT
 C (MANGIFERA INDICA L.)

1
, Nguyn Th 
2
n S Hiu
1

1
c ng di hc C
2
ng C
Thông tin chung:
 21/01/2013
20/06/2013

Title:
Effects of three kinds of
fruit covering bags on skin
colour and flesh quality of


indica L.)
Từ khóa:




Keywords:
Thai made bag, Taiwanese


mango
ABSTRACT
This study was aimed to determine effect of kinds of fruit cover bag on skin
            
experiment was conducted using 9 and 16 year old t
   
and practical farm of Can Tho University, respectively from February to
July 2011. The experiment had four treatments (covering fruits with two
layers bags made in Thailand (TL), glossy whitish paper bag made in
         
treament), seven replications each of which equals to one tree, 20 covered
fruits per tree in each treatment. Results reflected that covering fruit with
             
brightness, a* and b* index of fruit skin, but did not cause any impact on
fruit size, weight, and flesh quality (
o
Brix, TA and vitamin C content) of



into yellowish of fruit skin at harvest, decreasing, thus brighter and more
beautiful fruit.
T





-
  
bao), 





o





T Phn p, Thy s Sinh hc: 26 (2013): 171-179

172
1 T V
     ng t  
1950  Cebu, Philippines 
dn bi Quintana, 1984). G   
c s d
dch hi tng hp nhm hn ch s d
cht. Tr   et al. (2009) cho bit 
       ng bin
 hn ch b
do vi khun ch yu (82%
h         n

xum vt li
Thanh Phong et al. (2002) nhn th
b      t
hp vi gi      hn ch
       n
p
lc t  v 
        
        
(2009) nhn th 
 hn
ch b c ht, gim s m
  m      
       
 ci thic v 
h     u. G  
huy      t hin
loi bao gi
n xut. Loi
 
thu ho   c thc hin nh 
nh hiu qu ca ba loc

2  U
  c thc hin t  -
       c 16
 i ti tri thc nghi  
nghinh hc ng di hc
Ci t
M 

T  c b    thc khi
    i bn nghim thc
(NT), by ln lp li, mi ln lp lng
vi mi nghim th
Nghim thc c     i bao
         
       
Lan sn xut (TL), (2) bao gi  
trn xuo
       p
m thi chng
        u
n
         
bc bao  giai

Lc bao  u
  c v
 s ng chlorophyll
  cng ca
v m ch ng
vitamin C, tng s axit trong thc ghi
nht ln khi thu hoch.
ng chlorophyll trong v 
b k  
    c v    ng
   -    m

  t qu     
th cng v c

 ng dng c   m k),
sai s m duy nht  v 
gi ng kgf/cm
2

    c th    p
     m d  
chun ca Looney (1970). Mi mu s y
c l
  n s  t gi  m
th ng
 LSD  m

m.



T Phn p, Thy s Sinh hc: 26 (2013): 171-179

173


 n bi
 i
Tri thc nghii hc C
3 KT QU O LUN
3.1 ng 
ng Chlorophyll a & b trong v 
 n
n khi thu ho

 mng 1a).
ng bao TL ng
chlorophyll a&b thng
i ch
   ng chlorophyll a & b gia
m th
        
ging
ng chlorophyll
a & b trong v i bao bng
i chng
chlorophyll a & b trong v a NT bao TL
i chng
 
n
s quang hp c  ng th ng
n trong v c s
dng dng
(kh CO
2

git,
2002; Nguyy, bao

gi  ng chlorophyll a & b trong v

Bng 1a: ng c 
SKBT ti huy
Loi bao
 

 

15
30
45
15
30
45
i chng
54,33 a
53,29 a
34,99 a
17,14 a
16,51 a
16,62 a

41,72 b
40,96 b
22,61 b
11,79 b
9,18 b
9,05 b

45,30 b
44,46 b
22,29 b
11,82 b
9,78 b
9,03 b


53,88 a
52,98 a
35,35 a
18,09 a
16,48 a
15,62 a
F
*
*
*
*
*
*
CV (%)
7,78
8,14
18,07
29,00
40,36
35,26
Nhng s t c s theo sau gi m
 t  m

(a)
(b)
T Phn p, Thy s Sinh hc: 26 (2013): 171-179

174
Bng 1b: ng cb trong v 
Lc SKBT ti Tri thc nghi

Loi bao
 
 

15
30
45
15
30
45
i chng
56,53 a
49,76 a
32,57 a
16,76
15,75 a
15,25 a

43,63 b
39,94 b
22,75 b
13,46
9,29 b
8,78 b

47,21 b
40,80 b
22,55 b
13,49
9,89 b

7,54 b

56,38 a
49,61 a
32,50 a
15,59
14,58 a
13,50 a

-
-
-
14,83
-
-
F
*
*
*
ns
*
*
CV (%)
7,38
7,06
11,79
29,15
29, 9
33,42
Nhng s t c s theo sau gi m

 t  m
3.2 c v 
3.2.1 Ch s  
Ch s L* gim tht
     m     giai
    n khi thu ho 
c hai gi       c
(B ng bao
m, tht c lo
do v   i vi

  thm thu ho
c bao b

ng ng
u qu  
ca v c
bao bu qu  
t


  c (b) sau khi bao
n thc nghi
  i
ch

TL

L


L


TL
a
b
T Phn p, Thy s Sinh hc: 26 (2013): 171-179

175
Bng 2: ng cn ch s L* ca v c 

Loi bao

c

15
30
45
15
30
45
i chng
22,82 b
22,31 b
20,25 b
20,26 b
20,25 c
20,09 c

24,46 ab

26,05 a
26,31 a
23,04 ab
25,64 a
26,06 a

24,99 a
18,41 c
15,56 c
24,20 a
17,16 d
15,56 d

23,59 ab
24,82 a
24,95 a
20,41 b
22,94 b
23,61 b
F
*
*
*
*
*
*
CV (%)
6,54
7,07
6,99

11,93
9,57
7,29
Nhng s t c s theo sau gi m
 t  m
3.2.2 Ch s 
Ch s t qu 
   ch s L*. S  t gia
m th
thi v
       t gi 
   i vi gi  
c s  s  th
hi      m thc bao
b s a* thp
 s i NT
i ch s a* gi
   a v t    s b*
      n t xanh
ng bao TL hay
m ch s     
cho v 
Bng 3a: ng ci bao tn ch s a
*
a v  m
SKBT ti huy
Loi bao
ch s a*
ch s b*


15
30
45
15
30
45
i chng
-10,99 b
-10,66 c
-9,75 b
32,27 b
32,03 b
33,03 b

-10,17 a
-4,64 b
-3,14 a
33,80 a
38,19 a
40,46 a

-10,00 a
-2,73 a
-0,48 a
33,83 a
38,67 a
41,39 a

-10,98 b
-11,29 c

-10,74 b
32,41 b
32,99 b
32,96 b
F
*
*
*
*
*
*
CV (%)
27,75
28,86
26,56
2,6
3,64
5,23
Nhng s t c s theo sau gi m
 t  m
Bng 3b: ng cn ch s a v c  i
m SKBT tn thc nghi
Loi bao
a*
b*

15
30
45
15

30
45
i chng
-11,16 b
-10,86 c
-9,95 b
32,54
32,39 b
31,54 b

-10,97 a
-7,54 b
-4,17 a
33,61
35,61 a
36,61 a

-11,03 a
-4,73 a
-1,48 a
33,34
35,06 a
35,60 a

-11,27 b
-11,02 c
-10,14 b
32,73
32,44 b
32,87 b


-
-
-
33,06
-
-
F
*
*
*
ns
*
*
CV (%)
27,75
28,86
26,56
5,23
5,83
4,77
Nhng s t c s theo sau gi m
 Duncant  m
T Phn p, Thy s Sinh hc: 26 (2013): 171-179

176
3.3  cng c
S t
 m
 cng v 

th 
Lc (B 
n ch  
 
thp nht, ti
n
th       u qu 
gim s   cng trung
a 
2

      
2
  y,
 
       i
ch
Bng 4: ng cn s  cc
 n thu ho
Loi bao

c

 cng (kgf/cm
2
)

 cng (kgf/cm
2
)

i chng
330,00 a
1,26
416,7 a
2,74

159,71 c
1,18
258,0 c
3,04

-
1,36
-
2,74

213,29 b
1,46
320,0 b
2,61

-
1,32
-
2,78
F
*
ns
*
ns

CV (%)
7,44
27,06
6,83
30,5
Nhng s t c s theo sau gi m
 Duncant  m
3.4 c th
T l v c th
m quan  y, gi
 di ch
bi m
5% v t l       
 l th
m gi      t v mt
th m nhc
bao bng lo l 
p nh

i chng t

  l 
m chim t l cao nht (14,29%),
i. 
c li t l v c
thm quan gi
 di cht
ng 5). Kt qu
c thc
      i

c v  
m ca ging.

 l v c thi huynh

T Phn p, Thy s Sinh hc: 26 (2013): 171-179

177
Bng 5: T l v  c th     m qua     c t n thc
nghi
Loi bao
c th
t

m
i chng
25,72
65,71
8,57

57,14
42,86
0,0

45,71
54,29
0,0

31,43
62,86

5,71

40,00
56,43
3,57
F
ns
ns
ns
CV (%)
69,14
50,96
98,01
S li 
3.5 
        
c  c ba thm thu m
bi
 u rng
 n thu hoch c
 l
      
ng 6). Hunh
t qu 
c b

 thu ho
Phong et al. 
b  i bao nylon ho   
gi 

       

nh h       
c.
Bng 6: ng cn b u r
c  
Loi bao

c
B 
(cm)
Chiu rng
(cm)
Chi
(cm)
B 
(cm)
Chiu rng
(cm)
Chi
(cm)
i chng
7,66
8,15
13,67
7,55
8,43
12,9

7,72

8,16
13,61
7,42
8,36
13,6

7,67
8,25
14,01
7,32
8,29
13,3

7,68
8,31
13,36
7,33
8,20
13,1

7,69
8,22
13,66
7,41
8,32
13,2
F
ns
ns
ns

ns
ns
ns
CV (%)
3,94
3,03
6,29
2,70
2,69
5,43

3.6 Kh
Kh       t
 m
(Bng 7). Kh
     m thu hoch
l
Nhi ng bi
    n khng
nh (2000) khi thc hin
c hay
Nguyn Th Tuyt Mai (2005) khi ti 
.
p
  thc v p lc t tp trung ch
yu          a
thc v t,
2008). Quang h      
cha thc vnh et al.,
  n ph   a  

quang hp s c chuyn v  
 thc v tn tr, to cu
 ph phc
v n ca
thc v   ng nh    
su  ng (Nguy  t, 2008). Do
T Phn p, Thy s Sinh hc: 26 (2013): 171-179

178
 
      n phm
ca quang hp t  
ng
lo      n
trng ch.
Bng 7: ng cn trc  i

Loi bao

c

15
30
45
15
30
45
i chng
287,8
355,7

367,2
330,4
407,0
400,9

293,3
345,3
379,9
340,5
407,3
438,9

306,1
357,0
335,0
332,7
410,8
428,4

262,6
358,4
363,9
322,1
407,4
412,0

287,4
354,1
361,5
331,4

408,1
420,1
F
ns
ns
ns
ns
ns
ns
CV (%)
13,35
8,32
11,05
10,51
7,15
8,95

3.7 Phm cht th
Phm ch 
t
       tt c  
n c 
ch.  n thu ho
        7,0%,
        
         c
        
14,1 mg/100 g th     
0,52 g/l (Bng 8)
   Truy   

Hii bi bao
i, bao nha PP, bao giy du, bao
gi   th      
n phm cht c

t qu 
 c bng      
 y d      n 40

Bng 8: ng c 
c  n thu hoch, 
Loi bao

c
o
Bix
(%)
ng Vitamin C
(mg/100 g th
TA
(g/l)
o
Bix
(%)
ng Vitamin
C (mg/100 g th
TA
(g/l)
i chng
16,7

7,54
0,21
18,1
14,1
0,53

16,1
8,05
0,22
18,6
14,0
0,52

17,6
8,93
0,22
17,8
14,1
0,51

17,7
11,44
0,22
17,9
14,3
0,52

17,0
8,99
0,22

18,1
14,1
0,52
F
ns
ns
ns
ns
ns
ns
CV (%)
10,05
43,7
14,5
5,84
4,04
6,10

4 KT LUT
4.1 Kt lun
Dt qu o lu kt
lu
         
ng chlorophyll
a & b ca v  i, ch s 
ca v 
c, trm cha
thc.
         c
bu qu ng

         
T Phn p, Thy s Sinh hc: 26 (2013): 171-179

179
  thm
thu hoch.
 m s


4.2  xut
  n 30
c  n 40
ng lo 
p khi thu hoch.
U THAM KHO
1. c vi
i hc
Qu H 
2. u qu ca
mt s lo
phm cht cc. LVTN
ng KT-KT C
48 tr.
3. Hunh, 2000. ng ca thi
t lim ch
 i hng
i hc C-28.
4. n Bo V nh
nh, 2002. ng ca vt li
th

Mangifera indica L.). T
hi hc C-145.
5. Looney, N.E. 1970. Metabolic control of
ripening, Hort. Sci. 5, 270 p.
6. ng, Nguyng

thc vi, 307 tr.
7. Nguy
Thc vi ht, 124 tr.
8. Nguy
thc vi hp, 236 tr.
9. Quintana, E.G., P. Nanthachai, H. Hiranpradit,
D.B. Mendoza Jr. and S. Ketsa, 1984. Mango:
Fruit development, Postharvest physiology and
Marketing in ASEAN. ASEAN food handling
Bureau, 8
th
Floor, Syed Kechik. Foundation
building, Bangsar, Kuala Lumpur, Malaysia.
111 p.
10. Trn S Hi Thanh
Thn xui
v ng GAP ti huynh
i hc C
s 11-2009, tr. 414-424.
11. u qu ca
mt s lo
phm cht c
ng KT-KT C
tr.

12.  Truyu, 2002.
ng ca mt s vt li
phm ch 
nh hi ph bin c
Lc. Kt qu  rau qu 2002-
2003, Vi min Nam,
 H 
226-231.