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%&'()*+,-
'.'/-'01-'
%&2
3()*+,-'.456"/-' 378893:3
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8()*+,-'.B'C/ 378DDED3
E('<6'.$-'*+FG 378893;3
'H-'I'JK'L5-'MG'N-)8-O6;73;
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 !"#9A7#37B*/C?; !"7+#
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*<1#CHJ7, 7:6K+79=9===#$%"&7L,"
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C=
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3.4.1 Đồ hộp hư hỏng do vi sinh vật 60
3.4.2. Đồ hộp hư hỏng do các hiện tượng hóa học 61

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3()*+T-U5V*
3(3()*+T-U5V*W'L-'B]+
\d=dP Thit heo
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c.d=dP Thành phần các mô cơ bản đối với heo
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2U
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efgh
dgel
lh
hdh
d=gg=h
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td s t=h tl tz dd sg
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st td f=l t=g u d sf
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su dz s d       
 *P*;$*]$
 +,<P+,<*2*;$*]$
 ++P"++2*;$*]$
 +,P+,]2]$+,
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c.d=ePThành phần dinh dưỡng ở những phần cắt khác nhau của thịt heo
c  Q
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n<2] s=h h=d h=e s=t h=e
]+] t=g t=u u=e e=d t=t
$<+*] d=e d=d d=u d=g d=e
]<,*,*] e=d e u=h l=u e=l
$]+] g=d e e=s e=z e=h
*,] g g=s  s=u l=t
n];] s=g h=e  z=t dd=h
2+,];2] e=z g=d  h l=g
x$] l=e l=l l=z l=e e=u
26] u=t t=z t=u t=d t=l
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j/  H .  ,  $+]     2 k  /  ;$]27  <$"6]2  9
;,]+]6]2=S5<,W@*E;$+/-7'#$B6
6/VJ/Z,W0:2+#'%&$+6BR;
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'9*•D>;*$N$+9&+RW•JTF4*B=
 Lipid.
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+7*6Om+/*+'"39/*+E;3=F,/06+
:Om+;::t=tg,@2+9-,;67$+]jJ$RA"C
9Bk=+W#$B<7:Om+D'9*•D,"F.">;*4*
"?B
 Muối khoáng, vitamin
+$*7$+@'*ND'";3H+#79*"7#
;<R3*,/0/*7w]77*[./M,-?J:H]+4*

…  9?
|
;2|O/172#7H ;  2|  3  C7  C
-
S$|9

†||7*+7,:<'
*<:9+BH%,&6:;9?
\H:'*<$*
B Hm"  /CP  H  :
' *<'%% ,&
6:;9?87/$M
,&  O /1 *
'
BPH:'*<7
9?,…"6+'*<&+
H$M,&O
/1
4< 4<B/C7O#"•9+
34<77$+
4<$'$*H‡34<7
"A7";2|3C
+•5;
3(;()*+T-U5V*I'`
3(;(3(=aWbN
/-#OI2;9+$+…0BG*<q"&4*H3
BG;36/-dfˆW:;$Z6*7|4*H3;<R,;
c.d=s=Tiêu chuẩn nước dùng trong công nghiệp thực phẩm
`R; R;;.
Chỉ tiêu vật lý:

t

‰
u

O
x2
;
‹
w
ls=h
sgdgf"v,
a/-dg
+
s
gfdff"v,
gf
f=u
f=t
d=td=g
f=g
f=df=u
r'
r'
f=d"v,
f=fg
t=ff
g=ff
f=uf=g
Chỉ tiêu vi sinh vật

f‘gi †:J./M
gi
n"\$2 #$%4*
2];6+"+*2,"+BOBG*
dfi
@,-9H;!6&,+2$6;"
+&Hm"
df‘dgi `n*+O*,,]2#$%;Q,0
•tfi
’?@;/+O9H;!7
`:"
"]9:""3'%#$%
;3H
’?+O929Q
;3/1/02ƒ6U$+H+.dt=giH3,/02.!"=
'$:E;6&";3FP";37";37";3+6=$+2.G;:
2ƒ6U";3=
R;;!dfgsttffu+";3jO*<
devfsvtffu7c9#$%k
 `R;.">;*P
;2|P$|7$|$+7$|#G#"7$|#99$|#
=
A9BPr"A76;6B";3gi'9B"•;@H?7H'
9B,&=
a&OR+Pr$#+72&=
 `R;'*,(
c.d=z= Các chỉ tiêu hóa lý cho muối công nghiệp

`R; /0
&

1,":;$Z2.!"$MR"E"6B;C=S/1D$0Z
>;#‚W";‡4*B6+/1'JHƒ2YHƒw]
uŠ
w]”
Š
=
 c.d=df=Các chỉ tiêu cảm quan của đường RE (theo TCVN 1696 - 87).
`R; •R;@;
d=+&\ %";$|7HJ/-/C3E;7C7
H7H9'U
t=A9B %/1+•6;6B/1$+/-'9B
N7H'"A9B,&
u=;2| %";$|7H*9+/-:'6;6B
$+
c.d=dd: Bảng chỉ tiêu lý hóa của đường RE
RR;;! SC9B T-&
d=S+,
+
‹ •–zz7s
t=",/0/1 iH3,/Cj"v"k —–f=d
u=$+6X iH3,/Cj"v"k —–f=fs
e= ."H3,/CH2:< iH3,/Cj"v"k —–f=fl
Mdfg
+
$+u
g=S"; ˜x —–dlf
c.dt: Các chất nhiễm bẩn trong đường RE
RR;;! SC9B T-&
d=&:H*$+/- "vH —–lf
t=x2]jx2k "vH —–d

• BN•$/4*ON
Hóa hoc
• ",/0/-
• 6;6B
• "  ,/0  *$
,;*"*]
• ",/0*,
• ",/Cw]
• ",/0‰
e
t
—f=dei
l=g™s
•hfi
dhi
—f=fgi
—f=ffti

3(;(:(*J5I@U+I'@fI'/G\
\d=g: Muối polyphosphate
*$D4<?;4*#";3+,<+2*]H/-,,"*FH.
F,RH?4*/-9-$+]4*"C796+',"*FF2;:
4*2.!"2*;A7F:,/04*2.!"=+&4*+2*]
$+9.2 W/-O%;BMu"•P
š5
š\,RH?9-+*
tŠ
9
tŠ
š5<$*2 6;…$+]4*C7&+#9B$J'H.F,RH?!"3C=

,R"]
~/C
;3$*] —–f=fgi
—–f=fti
—–f=fgi
;3$] —ti —–t=gi
;3  …  0
$*]Š$]
—–  f=fti  
—–d=dsi
—–f=di—–ti —–f=fdi—–ti
$+ ?/1*/12ƒ6U…0$*9$;6+
W
;<R52*;5<
• ;3$*]
œ;%" /0%"
&+9B•$/4*>;#$J/-";3
Q"
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