nghiên cứu quy trình sản xuất mứt dứa đông - Pdf 13

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LỜI MỞ ĐẦU
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?'
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]D,$+*<%/07^C?&$7^_F2/G`
A:$)#*
aNghiên cứu ch bin mứt dứa đông”
]3^?  1
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CHƯƠNG 1: TỔNG QUAN VỀ NGUYÊN LIỆU
1.1 Tổng quan về nguyên liệu dứa
1.1.1. Nguồn gốc và đặc điểm thực vật

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*7D8
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7,7A$F0^
"7A$&$G00T)%,7w*$),-|C?"7*/9)
:%IG9)*MG00^%=DHA-Q&$A-B@7,7
$KhpzZii%(KRzYiE3/=C0Zi,76,)03/=
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Protein:01?7,0+=C0iZpzipq+&$-4P

&#*7&09x0M9x0Vi%Y‡Yq[&$##-'
]3^?  5
  !"#$
+,C?&','*90&#9:8&$$?9$00,*?r,#M0
 G,$?)AD*I)9#
Acid::0$*1HB2,$Vopq[%
VYiq[%Vfq[
Muối khoáng: 0$7.*HB%0I)C07VZpq[
$, )C077^9v, 0](02C0i%Zp‡Yq0
=:,0+)C07C7-C,%%%T%G
Vitamin:"$?)-|10BD&&,$$*1&$0
+027GbGD=0BD;&N=CLJ.*&
B9 ,$=&09x0VW%%ˆ%m[&$&
0-'VX%@%%cc[G0‰zƒVZiie[%0&@&$&W 
G,$&M
Enzym: 07B:GbG*GG%&GG%*G0G%G0,G
&$,$90G,G,$(,0+Gb2*/*0G%GbG89#27
@$:6&Q&$)=D>9`D,$,#
GbG90G,
Bảng 1.1: Thành phần khoáng trong dứa
Khoáng chất (mg)
c0Vm[ YRoi
c0*0GVc[ YYii
@,V@[ Ypii
ExVE[ piii
"-ŠV [ fiii
0V[ Ziii
TV†G[ ifii
]PV@[ iihi
myV‹[ iiei

đường khử (%)
Hàm lượng
saccaroza (%)
0kc= Yh i%pY f%h R%Ye YY%pe
0l Yh i%pS f%h f%po YZ%ZZ
(9

#W Yf i%Re R%i f%Zi S%oi
(9

kc\ Yf%p i%Re R%i f%op o%pi
$k YZ i%of f%o Z%hS o%ZS
Nkc\ YY i%po f%e Z%eR o%RR
0N*( YS i%pi f%h f%Zi Yi%ei
]P Yp%Z i%fY R%p f%Ri e%hi
"0W YR%h i%fS R%i f%fi h%oi
m Yf%p i%fR R%Y Z%hi S%pi
Bảng 1.4: Sự thay đổi thành phần hoá học của dứa hoa Phú Thọ theo tháng thu hoạch
Thán
g thu
Độ axit
(%)
Axit hữu cơ
tự do (%)
Đường tổng
số (%)
Độ khô
(%)
Vitamin C
(mg%)

$, m%q Zpi ZRi Zfi
$, c%q Rp pi Rh
$, @%q Zo Zi Yh
]3^?  8
  !"#$
1.1.3 Phân loại các giống dứa
@=:)C0Koi?Si) P(`?':
)=D(*$f=
=0$NVlGG[-B)Q%C), 937,$i%hz
Y%oCt7%T,P%+FIC7:%^&ND
^&$N%I%B%&^AN$
=$=, 0%?'
-4>DL-B&$C<0%/%0%C=5(=
$@0?=lGG P:09=6#
=/XV *[ ,'BlGG%T0&$/%^&$
+%=3T%&^%MB-:-'B0%N(=
$=$=, Cx% P,/4&$N*6-BVk
c\[
=@GG,'%C), 937Y%pzZ%pCt7%T
*•&$7=F%,'6-')Q161A^Cx&$%
:-'%MA%CxBBlGG(9%/(=$
YYR Tác dụng của dứa
Cr$&%C07$QX0G,z(Gb=7F
2*/*0G$7=7F)0=j*ff$=7F
]3^?  9
Hình 1.3 : Dứa Queen
Hình 1.4: Dứa Cayenne
Hình 1.5: Dứa Spanish
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*M0$
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&$fo4&:&F/
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z ](MRYiiq=$&$}%p$T6
z ](MfSpzYiiq&Q=$&$-B%C0R$T6

%]PXv @_"05=opZ@G/,$,0+/PC7
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2#!C7N,+0o7)LC+C<2
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NIQ0=^-4ˆ‰?€A,'0HL'%;*7D
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-4%#*7*F?9(2C0ACON&$0PA&$
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1.1.6.2. Tình hình trồng dứa trên thế giới
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*7D&$C<'7-'*7Dˆ‰VW%Xr%][%EO%NXLZiiR
J(=1Yfi)C<%Yi-'M?'Spq, 
?'0=’](%ˆ0%X%l)%c,*?'Y_20$
?'
1.1.7. Một số sản phẩm chế biến từ dứa
1.1.7.1 Dứa nước đường
-'-4 ?9?K%+T
?%_,“VA&Q%1*[?*(*%=-'-4
P 9$CMV#(%BA[%x*T*%>%,$(
07?9?,#C9^
#:*<H :M;91
2,#]-4CM-&$0*<C=7F90V&0&$0&'C)
, Q[$rvFML-B&^&$*1$0L7^-|0





 !
"#
!
"#
$
%&'
( 
)*
+',- ./
01(
2

.34
!

5
0
.34
  !"#$
l-
]3^?  15
  !"#$
 Thuyết minh
Phân loại:
 Mục đích:
l7,;A%*/,0+v9QH7-N*%-6?, 

mC77$D,0+9Q&Q
0$#TAIFM+00*<
Chích mắt
 Mục đích:
"0+QT*1C=7^-|y,$-6:?7^
*<
 Các yu tố ảnh hưởng:
](T%+2?9^MT*+1
E-4&$?9^*90&#
Rửa:
z Mục đích:
"$+,+007B?=D!9<&$,0+9Q+*I=
,+
z Bin đổi chính:
07,#`+ (+^
z Các yu tố ảnh hưởng:
-'_F*+<&#-'L)~s1, 
@YfZezZiiZ
Cắt khoanh, miếng:
]3^?  17
  !"#$
z Mục đích:
]^+,#G01VC0%•+[
z Các yu tố ảnh hưởng:
](T%+20
;Cx0,x0%$+02/$0 ^$:%
w*E-4*90&#%7!9<0,#
Chần:
z Mục đích:#(*1&&NDM,#%N#07
?*G00+7GbG0=

!&ND%!^, %!*/*)
X0*<)<%-'%>
L&&N/N*
 Bin đổi chính:
N,“ 90=090CI?*\&'CCM90$
s?)-6X09*90($%&#
YZ Các loại mứt
E,$7*<?9?K-B0897?*<V*G%-'
%‚=U[&'-4?(CSiq]-40&$0*<CrD
L(A%(-|$I=7F90*<0*<=$
, -40%?9$0&&N6+709^K0+(&N%
=:,0+0C1>E()$, -4-B)*%
1*>&'4T2?D#G%)E=$
, 07&C<C0+( 
-4.*1L(0*<=D>*G9(%*G,Q08
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 !$0_F%&ND&$90
-'C_F909* CD,+*<&$_+
@7,0+9092-4!9<&$C=_+B909C,0+%*_
CO9v=@7^C:Vƒ%mƒ%
Z

f
[-4,$029^4
&+0827.*@,90^3.*2ƒfq%
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)FG4-
HA
  !"#$
Sơ đồ 1.2 Quy trình mứt xoài
]3^?  24
  !"#$
Thuyết minh
Y c/,0+
YY Mục đích công nghệ: chuẩn bị cho quá trình bổ quả, tách hạt
c/,0+%,0+KHC27%/9#%G)%)Q
c/,#P:&:CM-'%+%$T%(M
Yêu cầu:
z E(&wA0$M0$0$%=$&$*}%$%=&^
A%>B0%C7%C)Q
Z •_
2.1 Mục đích công nghệ: <9^079J&$7+
v,0+K+*BA-%7%9F&$,$, &&N60$&Q
,#
•_IvFM<+()07A/(+ >0CON
#*-*/K/%)90&#;&NU
])&'H,#79<%-4-4;#C/_-'C/*/
,0+D,$,(H3-Q%D!,;A&$*/,0+B
2.2 Các bin đổi :
z 07_C=;9?J&:8=A%=&$=,“
z l7/_C), ,#Ki%p‡Yq
z X?JA, &&N
f XJ%7+
3.1 Mục đích công nghệ :<9^
XJ%7+v,0+9Q7*1C_F %7^-|*%=D


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