Depozitarea laptelui

8/13/2019 Depozitarea laptelui.

1/20

UNIVERSITATEA DE TIINE AGRICOLE I DE MEDICINVETERINAR

ION IONESCU DE LA BRAD DIN IAIFACULTATEA DE ZOOTEHNIESPECIALIZAREA: INGINERIE I MANAGEMENT N

ALIMENTA IE PUBLIC I AGROTURISM

Depo!"#$e# p$o%&'e(o$ #)$o#(!*e+"#$e ! op"!*!,$! #*-!e+"#(e

+%$&*,"o$ :e. (&/$0%$0G#-$!e( V#'!(e Ho1#


2/20

S"&%e+": B&2o$ A+#3M#$!#A+&( IV4 G$&p# 567

Depozitarea laptelui

5


3/20

Introducere

L#p"e(e e'"e &+ (!/1!% %e /&(o#$e #(-3),(-&!e 'e/$e"#" %e )(#+%# *#*#$, #

*#*!.e$e(o$89#/,4 /#p$,4 -!9o(! ,4o#!e0

+ "o#"e '/$!e$!(e 9e/1! /e 'e $e.e$, (# /o+%!;!!(e %e 9!#;, #(e popo#$e(o$

/#$e #& "$,!" /& *!! %e #+! " " (#p"e(e />" '!

p$o%&'e(e (#/"#"e *,$e'/ $e!'"e+;# o$)#+!'*e(o$ .#;, %e !+.e/"!! =! !+"o?!/#;!!4

$!%!/>+% +!9e(&( %e ',+,"#"e # pop&(#;!e!0


4/20

1.Importana laptelui

P>+, (# '.>$=!"&( 'e/o(&(&! #( I3(e# (#p"e(e =! p$o%&'e(e (#/"#"e #&

/o+'"!"&!" /!$/# @ %!+ 1$#+# !(+!/, # popo$&(&! $o*>+0 + #+&( 77@4 (#

Co+)$e'&( I+"e$+#;!o+#( %e Rep$!*#$e # F$#&%e(o$ '3# %#" &$*#"o#$e#

%e.!+!;!e pe+"$& (#p"e: (#p"e(e e'"e p$o%&' !+"e)$#( o-;!+&" !+ &$*# *&()e$!!

"o"#(e %e (# .e*e(e(e !+ (#/"#;!e4 -!+e 1$,+!"e =! +e'&$*e+#"e0 Re/o("#$e# "$e-&!e

.#/&", !+ /o+%!;!! !)!e+!/e =! ', +& /o+;!+# /o(o'"$&0

M#"e$!# p$!*, pe+"$& !+%&'"$!# (#p"e(&! =! # p$o%&'e(o$ (#/"#"e o /o+'"!"&!e

(#p"e(e %e 9#/,4 /#p$,4o#!e =! -!9o(!;,0 E'"e #(!*e+"&( /e( *#! /o*p(e? =! *#!

&=o$ #'!*!(#" %e o$)#+!'*4 /o+'"!"&!+% &+&( %!+ #(!*e+"e(e %e -#, #(e o*&(&!4

9#(o#$e# +&"$!"!9, # &+&! (!"$& %e (#p"e .!!+% e/1!9#(e+", /& /!$/# @@ ) /#$+e %e

po$/4 @ ) /#$+e %e 9!;e(4 3 o&,4 @@ ) pe="e4 546 J) 9#$, '#& 5 ) p>!+e0

Popo#$e(e %!+ E&$op#4 A*e$!/# %e No$%4 A&'"$#(!#4 No Zee(#+%,

/o+'&*, +% .! /o+'&*#" #">" !+ '"#$e p$o#'p#", />" =! '&- .o$*, %e

%!.e$!"e p$o%&'e (#/"#"e0A">" (#p"e(e />" =! p$o%&'e(e (#/"!/e *,$e'/ $e!'"e+;#

o$)#+!'*e(o$ .#;, %e !+.e/;!! '! !+"o?!/#;!!4$!%!/>+% +!9e(&( %e '#+,"#"e #

pop&(#;!e!0


5/20

2. Compozi ia chimic a laptelui

L#p"e(e e'"e &+ (!/1!% -!o(o)!/ + .o$*e#, '&-'"#+;# &'/#", '#& e?"$#/"&( "o"#( #(

(#p"e(&!0 G$,'!*e# %!+ (#p"e4 %e=!


6/20

D!+"$e /o*po+e+;!! /1!*!/! #! (#p"e(&!4 )$,'!*e# e'"e /e# /#$e 9#$!#, /e(

*#! *&("0 Pe+"$& (#p"e(e %e 9#/, #$e o 9#(o#$e /&p$!+', +% )&'"&( %&(/e#) (#p"e(&! p$o#'p," *&('0 + (#p"e

'&-'"#+;e(e *!+e$#(e 'e ),'e'/ +% 9#(o#$e# +&"$!"!9, # (#p"e(&!0

P$o/e'&( "e1+o(o)!/ %e o-;!+e$e # (#p"e(&! %e /o+'&* #$e (o/ %&p, '/1e*#

p$ee+"#",


7/20

3. Tehnoloia laptelui de con!um


8/20

3.1. Colectarea laptelui

P$o%&/ !e%e (#p"e

F!("$#$e

C&$, !$e

No$*#(!#$e

O*o)e+!#$e

P#'"e&$!#$e

R,/!$e

Depo!"#$e"e*po$#$,

A*-#(#$e

Co(e/"#$e

T$#+'po$"

L!9$#$e

V!# # %e $#."

Co+'&*


9/20

+ /#&(


10/20

+ "!*p&( p$o/e'#$!! (#p"e(&! 'e %!'"!+) &$*#"o#$e(e e"#pe:.!("$#$e#4

/&$,;!$e#4 +o$*#(!#$e#4 o*o)e+!#$e#4 p#'"e&$!#$e#4 $,/!$e#4 %epo!"#$e#

"#*po+4 =! #*-#(#$e# (#p"e(&!0 #iltrarea (#p"e(&! #$e %$ep" '/op $e;!+e$e# =!


11/20

A*-#(#2&( e'"e &+ #+'#*-(&( %e *#"e$!#(e %e'"!+#"e p$o"e/;!e! !+"e)$!",;!!

*,$.&$!(o$ p$e/&* =! &=&$,$!! ope$#;!!(o$ %e %epo!"#"e =! "$#+'po$"0 A*-#(#2&(

po#"e .! p$!9!" =! '&- #'pe/"&( '"$!/" e/o+o*!/ /# .!!+% &+ p$o%&' .!+!" %e '!+e

'",","o$0 A*-#(#2&( po#"e '# +%: #*-#(#2&( ', +& !+.(&e+;ee +e)#"!9 p$o%&'&( p$!+

$e#/;!! /1!*!/e /#$e 'e po" p$o%&/e 8'e 9# #(e)e &+ *#"e$!#( #%e/9#"

50 F&+/;!# %e p$o*o9#$e # 9>+,$!! *,$.&$!(o$: #*-#(#2&( "$e-&!e ', p&+,


12/20

A*-#(#2e(e *o%e$+e

S&+" #*-#(#2e(e +e$e/&pe$#-!(e4 /#$e #& (" o e?"!+%e$e .o#$"e *#$e0 A*-#(#2e(e

*o%e$+e 'e


13/20

3 #*-#(#" #'ep"!/4 &+ #(!*e+" po#"e .! p,'"$#" "!*p


14/20

/#*e$e %e %epo!"#$e e'"e $e(#"!9 $e%&',4 'e p$e.e$, 'o(&;!# .o(o'!$!! (#

" *#! '/#&", =! e9!"#$e#


15/20

Depozitarea laptelui

E'"e o ope$#;!e !+%!'pe+'#-!(, %#$ /o+"$!-&!e (# $e%&/e$e# 9#(o$!! +&"$!"!9e

# p$o%&'e(o$0 + &$*# %epo!",$!!4 #'&p$# (#p"e(&! !+.(&e+;e#, /o+/o*!"e+":

o?!)e+&(4 (&*!+#4 &*!%!"#"e# $e(#"!9, # #e$&(&! =! "e*pe$#"&$# %!+ %epo!"0

Depo!"#$e# 'e .#/e !*e%!#" %&p, #*-#(#$e# (# $e/e4 " *#! '/,&"e " (#p"e(e e'"e p,'"$#" (# "e*pe$#"&$!

*#! '/#&"e4 /& #">" !+'&=!$!(e -#/"e$!/!%e '&+" *#! p$o+&+;#"e0

+ /#%$&(


16/20

"odi#icri !u#erite de lapte la depozitare

S&- !+.(&e+;# .#/"o$!(o$ /#$e #p#$ !+e9!"#-!( +% .$e/9e+" )&'"&( $>+/e% '! #=# !'&( )&'" %e (!p#,4 #"$!-&!" %e)$#%,$!!

)$,'!*!(o$ %!+ (#p"e0 U+eo$! 'e po#"e pe$/epe =! &+ )&'" #*,$&! '#& %e (#p"e

9e/1!0 P$!+ p,'"$#$e4 (#p"e(e /#p,", *!$o' =! )&'" #/$!'o$4 /& #">" *#! !+"e+' /& />"e'"e *#! 9e/1! '#& )&'" %e $>+/e%4 %e 'e&4 %#"o$!", o?!%#$!! )$,'!*!(o$0 Pe+"$& #

'e e9!"# #/e'"e e.e/"e +e%o$!"e4 e'"e $e/o*#+%#-!( /# ', +& .!e p,'"$#" *#! *&(" %e

53 !(e0

2. )odi*icri ale componentelor laptelui pe parcursul con$elrii

L#p"e(e


17/20

/o+)e(#$e# (#p"e(&! 'e o-'e$9, p$e/!p!"#$e# '&-'"#+;e(o$ 'o(!%e %!+ (#p"e4 !+/(&'!9

/e(e 'o(&-!(e4 !#$ p$!+ #)!"#$e# (#p"e(&! %e/o+)e(#" %#/, e*&('!# %e )$,'!*e e'"e

!+"#/",4 'e $e'"#-!(e="e %!'pe$'!# +o$*#(,0 E+!*e(e #/;!o+e#, /1!#$ =! (#

"e*pe$#"&$! .o#$"e '/#&"e 83@@ @C4 #/"!9!"#"e# (o$ +&


18/20

4.)odi*icri or$anoleptice ale laptelui su' aciunea luminii

L#p"e(e 'e /#$#/"e$!e#, p$!+"$3o *#$e 'e+'!-!(!"#"e (# (&*!+,0 L&*!+#

'o(#$, *o%!.!/, )&'"&( =! *!$o'&( #/e'"&!#4 /o+.e$!+%&3! &+ )&'" %e o?!%#" '#& %e

'e& (# /#"e9# o$e %e (# e?p&+e$e0

!.)odi*icri c+imice ale laptelui su' aciunea luminii

Mo%!.!/#$e# /e# *#! p$o.&+%, # (#p"e(&! p$o9o/#", %e (&*!+, 'e $e.e$, (#

)&'"&( #/e'"&!#4 '&-'"$#"&( #/e'"e! *o%!.!/,$! .!!+% %e"e$*!+#" %e "$#+'.o$*#$!(e

'&.e$!"e %e '&-'"#+;e(e p$o"e!/e =! %e )$,'!*!4 %e #'e*e+e# %e)$#%,$! '&.e$!"e %e

p!)*e+;! %#$ =! %e 9!"#*!+e0 ,e$radarea proteinelor


19/20


20/20

Bi$liora#ie

Cecilia %op& "ircea %op ' Calitatea si$uran a i merceolo$ia produselo

alimentare0 E%0 C#'# /,$ !! %e "!!+ ,4 C(&23N#po/#4 5@

1""p:KK0p$e.e$#"e(e0/o*

1""p:KK0'/$!-%0/o*K%o/K@K"e1+o(o)!#3(#p"e(&!

1""p:KK0'/$!-%0/o*K%o/K7@5@KMo%!.!/#$!3S&.e$!"e3%e3L#p"e3L#3Depo!"#$e

1""p:KK-!-(!o"e/#0$e)!e(!9e0$oK#)$o+o*!eK(#p"e(e3'!3p$o%&'e(e3(#/"#"e
http://www.preferatele.com/http://www.scribd.com/doc/54455810/tehnologia-lapteluihttp://www.scribd.com/doc/98020311/Modificari-Suferite-de-Lapte-La-Depozitarehttp://biblioteca.regielive.ro/agronomie/laptele-si-produsele-lactatehttp://www.preferatele.com/http://www.scribd.com/doc/54455810/tehnologia-lapteluihttp://www.scribd.com/doc/98020311/Modificari-Suferite-de-Lapte-La-Depozitarehttp://biblioteca.regielive.ro/agronomie/laptele-si-produsele-lactate

Documents

Depozitarea laptelui