J. Dairy Sci. 84(E. Suppl.):E74-E78 © The American Dairy Science Association, 2001.
Freezing Qualities of Raw Ovine Milk for Further Processing W. L. Wendorff Dept. of Food Science University of Wisconsin, Madison 53706
ABSTRACT ! "# $ "%& # %' ! $ ! " ! % ( ) *! + $!$ #! % , $ $ # $ ! + "!$+ " % -# $$ ) ! # " $ % . " ! ȕ#! $ + $ # Į# $ $ $ $ ! $ "% . " ! " $ + "+ ! ! " % (Key words: + + + !+ " Abbreviation key: ADV / ! $ + WPC / " % INTRODUCTION & 0(" $" "! %1 234+5%6%7" 0 " 8 $ $ $ ! " $" 0 (
7" +239+23*%5 ! 0 "8 + " $ # $ ! , + 8 !+ 7 $
7" + 23*% ' $ 8 $ "%( :-" +1 %
( + 229% & " $ 4 " !+ $ ! ) "44 % 1 22*+ 0 " 5 #8 $ ! " $ ! % ( + ; & ' ( ; < 7 ! 05'!$$ ( $ ! ) ! ! " ! $ & %+222+444% ! ! $ "$" 0 "5 ,( ; 6$"*+44% ' ; 9+444% C#E F% $%
%+223+222=> : "+22=?+222= - : #@ +222=5 +223% 5 $ $# + "" $ $ A$ $ $ !%1 " $ 5 + ) A$" " $ " " % ( $ $ B ! A$" $ ! ! % & ! A$" $# $ % DISCUSSION Stability of Frozen Raw Milk 8 0 " 5 C) ( ( + 5 % & " 9 " 8 % @ & %& ! 4# " " D%#! " " #" " %. %& # % ' # D+ *+ 2 ! 9% 5 + " + + !
$ ADV %1 $ % 7 & % 8 ! " # % & ! " ! ! $ $ " # ! $ 6"+ 444% 1 Table 1. @ ! $"%G & , - ' : " ;$ %
H+I *% 4%2 4% 44%3 49%D
Vol. 84, E. Suppl., 2001
E74
WENDORFF Table 2.8 $ $%
(- $I
$I
& ! 44 344 344 99 99 4 944 944 * 4 42 4 44 D44 4D D944 D44 43 4* 44 344 L 42 4D94 44 L 43 4 4*4 344 L + 8 (- $ # P L4%4%
Table 3. ' ! $ ';J=N?.>I44! $% ';J 1 H & ! 44 4% 4% % % 4 4% 4%* % % 4 4%9 4%D %4 %4 4D 4%D 4%2 %4 %4 4* 4%9 4%D %4 9%2 42 4%9 4%3 D%9 9%2 4%92 4%D D%2 %4 + 8 ';J $ P L4%4%
!# ! $ # ! ! @ ! >$+ 2*D% ';J ! " ! & D% 1 ';J ! + ) ! % ( ' %+ 234= K + 22 # " ! %K 22 ! # $ " *! 4%> +J$ % 22 !# " ) # 4$*% ' * ! + # ) $ ! %' 2! + 4H & D%( ) ! "$!$ ! %(! " $ 4# D%#! $!$ $"%- $ ! # " 4 ' %+ 234= 7 + 229+ <$ !+ 23% <$ ! 23 %? % 23 4 ! + $ " # ! " $ 4% & " )# " %& $ ! ! " $ ; %+2*%(
! $ # $ ! &" %+24=? %+23+ 7 8$+ 2+ "
; %+ 2*+ ! + 7+ 2*%C#K !$" 7" 2* $ # $ " $ " %( " E # "" ( + 29+ ! $ 7+2*+ $ ) + 2*% & " ! ! $ ! ! + " ! # E 9!$ ) % *3% !% D % 9 """ D4H % + % ( 4# " " % ' %' D+*+2 ! 9%5 + " ';J % : "" ) # $%& $ ! $ " # $ " % & # $ # 8$+ 239% 7 $ ) # $ " $ 8$+ 239+ " $ ! % ' + ! ! " !" "# !! ! 6 +24% Quality of Yogurt from Frozen Milk 7 $ B" " # $ + "!$ $$ + $ !+ ) $" $!$ " %( ' %+234=J$ + %+ 22* ! A$" "!$ $ $ % > + "!$ $$ 0 ( A$" # $ !"!$ %& # B $" ! A$""!$% 8 0 " 5 C) ( ( + 5 % & " 9 " 8 %& ! % : " " % . % ' # $ % ' +D+*+2 ! Vol. 84, E. Suppl., 2001
E75
SYMPOSIUM: SMALL RUMINANT DAIRY RESEARCH AND MILK QUALITY Table 4. & " "!$ $ % & ! & " @
H
! 44 % 422 4D 4%22 4* 4%2D 43D 42 42 4%3 4%24 4 + 8 $ $ $ PL4%4%
Table 5. "!$$ % 1 ( ( & "+H 444% 44%24 44%3 (" +H 4% 2% 4% 5 # !"+H 43% % 4D4%9 , +! 42 + 8 $ (P L 4%4.
9% 5 + # 3D4 99%8 $ 4%4H "!$$$ Streptococcus thermophilus Lactobacillus bulgaricus <#94+%> +1 %+ 8$ +51 4%4H$$ Lactobacillus acidophilus :'#?+ % > + 1 %% & # $ $ > "!$ 9%*% & "!$ " 9 9 %& > "!$+9+ ! 9%D9%9% ( " "+" + # !"+ ! !% (" # ! " "!$ $!$ #$" ! # " "!$ % & " "!$ $ D! ! " "!$ & 9%7 $ > $ "!$ $!$ $"+ $ ! " $ $ % J$ # * ! % > + $ $ $ % @ ! ! " $ "!$ 2 ! & 9% ; + + "
! "!$! %<!$$ $ &# % $$" !A$""!$ $ $%' % 234 <$ !
23 A$" "!$ 4D4$%<$ !
23 $ "!$ % J$ % 22* !A$""!$$ $ 4* 3 % > + "!$ $ + A$" % Impact of SCC on Cheese Quality & ( " K!#?#> ! %+ 239= $ (+ 23
- K!#?#> !+ 233= ($ %+ 22 % ,+ + # + ! " (+ ( " K-K+ "# + >% 7 % 22 # ( + " % ($ 7 %+ 22= - ! %+ 22= - %+22*=0 %+22* ! ( " + + K-K+ >+ %& $ $" $ ( " " # % C" 0 "5 C) , ( " (% & ! ( !$ L44+444+44+444+444+444+ M+444+444% 8 !$ + 9 2 $ ! $ $ $$ % & ( *+444= +444 +24+444% & ;" 8 2 $ # ! # $ % $$ 9 # ! % C + $ + D% ' 8 # !#" $$ + ! 3$2% $
Table 6. @ " $$ " #
" $$ % -> & 5 , ' : & %+223% K % E76
Journal of Dairy Science
@ *% *%* 2D%D2 4% 4%* 9% 4%
9%* *%94 2D%*4 4%4D 4%* %4 4%D
. 8 ! *%D %9* 2%9 4%3 4%9D %* %4
7
K;
*% 2D%D4 4%D* 4% 9%4 4%*4
WENDORFF Table 7. ; $ " " " " %G 5 " @ . 7 8 ! ( $ $ 49%4 4D%3 49% 4*% 1!@ 42% 4*%9 4%D D%4 ȕ#:!$ $ 3%* 2% 9%4 *9%2 Į#: $ %4 D% 9%3 %* %+223%
A$" ! 6 !! %+ 444% 1 $"+ + $ + " ! (% & $ "- % 22*% !$# ! " ! (% ' ( + ! " %> + !# " )$ % Protein Composition of Ovine Whey 5 $ 0 ( + # "%, + $" $ " $ " % & $" # " 8 !#" # $ %+223%& # $" $ $ "# WPC " %+222% 8 $ > ! " " &# *% . " ! + + "% & $ ) ! + + % . " ȕ#! $ $ $ 1!@ ! " " & %Į#: $ " $ " $ ! " "% '
" + Į# $ # !$" $!$ + ('# % ȕ#:! $ ! ! " $ ! " % . " 5- ! # " $ + "+ ! ! 5- %+222% SUMMARY & $$ $ ! A$" # " $ " !% > + ! A$" " $% . $ " )$ # "% 1 ! + ! $ D)$%
LITERATURE CITED ' +C%+%? !+1%?$+ @%?$%234%, " $ $ % 8 DE 34#3% 7 + ;% 8%+ % % $ + 6% 8% :" % 22% 1 $ # $ ! " %6%;"(%9ED*2#D33% 7 +C%;%229%( !$ E1 $ ! # !%$$ ;"-%6%2 9E3#% 7 +(%+1%K $+ ?%@$ %22%J " +# $ N $ ! %'J % >$ !%9DE9*D#9D% 7 +%5%+ &%6%8$%2%8 ! ) %6%;"(%D9E9D#9D% 7" + 5% 6% 239% 8 $ % K 5 @ 9 9E*#3% 7" +5%6%23*%C $ !0%(% $ %1;, 7$ K%4E3#4% 7+ ;% % 2*%' ! # %-%;%& +0 %5 #8 % +6%:%+5%:%5 + ;%:%&%223%( ! " $$ " %6%;"(%3ED#D% +6%:%+5%:%5 + ;%:%&%223%,$ " " "%6%;"(%3E*#% ; +1%;%+&%'%K + 5%@%6 !%2*%($ " %6%;"(%99E#% C#K !$"+'% 8%+ 6% % 7"% 2*% -" " " ! $ $ %6%;"(%93ED#3% @ !+;%:%+ '%>$%2*D%& $ ! %6%'%7 %*ED9*#D3% >+ 6% ?%+ % % : "% 22% $ + + ! ! # "
%6%;"(%9ED*#D9% 6 !!+ 6% 6%+ ?% 7% >$+ 8% C% 6 + % @ "#:$ "+ 7% % 8?$+ ;% :%&+ 5% :%5 % 444% C $ # " 8 ! $$ %6%;"(%3D ($%E3D%
' % 6"+6%8%444%8 ,8 !"%* %' -$ %+1 %+@# $!+8;% 6 + % C% 24% ( ! ! " %-%;%& +0 %5 #8 % ?+8%222%1 " ! # $# $ N N %-%;%& +0 %5 # #8 % ?+8%(%+.%, +%>%'$ + 6%<%: %23%- " $ "! $ $# %6%,(%9*E#% 8$+;%;%239% ! ;"( E, # 6%;" %E*92#**9% K +C%%22%C !# # ! N%6%;" %2E92#% K!#?#> !+ ?% ,%+ 6% ,% >" + 6% C% 8) "+ >% 8 % 239% J " #"$ $ " ! %6%;"(%*ED*#D**% - ! + .%+ ,% $+ 8% + ,% 7 % 22% ! $ E $ ! # ! + " %6% ;" %*9ED#D**% -+'%+ @% - + ,% -+ (% - $% 22*% C $ ! %-! 9# in -% ("% ( 8 ( $ + 22D+ 7 +1"%C''--$ %K%%5! ! - +5! ! +& K # % -+1%+ ?%,%K!#?#> !%233%C $ ! "%6% ;"(%E#2% - : #@ + :% 222% ; !" A$" $ #8$ %-%;%& +0 % 5 #8 % $ +#,%+ @%C%(%23% # $ " %6%;"(%*E92#9% $ ! + (% :%+ 7% 6% ( + 5% :% 5 % 444% (! " %6%;"(%3D ($%E3% ' % +5%C%2*%, ! " " # %8%(%& +0 %5 #8 % ($ +<%>%+?%C%: +'%6%5 + (%5%8 %22%. Vol. 84, E. Suppl., 2001
E77
SYMPOSIUM: SMALL RUMINANT DAIRY RESEARCH AND MILK QUALITY $ $ $ !% % 1 $ A$"%6%;"(%EDD#D3% ( + % 229% 8 ! % 0 ( %+'$!%229+0( 0 %+:! % ( +C%@%29%, $%0%(%-%K%+*33+*% &G+ ;% :%+ <% 8% 7 ! + 7% % 8?$% 222% 8 $ C , # 0 ( % -! 99#9in8 ! 8-$ ;"( @ -% * 1 % ("% 8 ! ( $ + 223+' + @ %,%7 K%-%O + %C''--$ %K%2%5! ! - +5! ! + K % &G+;%:%+<%8%7 ! + 7%%8?$%444%C, ! # EC $ + !+ $ %-% '%(%' %(% % &"+-%>%+6%> + 5%(%? %24% ! A$ %6%;"(%DDE3D#39% 0 +'%+:%8%7! +%, +8%7 + %$ %22*% C $ ; : !
E78
Journal of Dairy Science
% -! 3#2 in -% ("% ( 8 ($ +22D+7 +1"%C''--$ %K%%5! ! - + 5! ! +& K % J$ +:%-%+8%%?+%-%-+ >%8$%22%-$# $ G % - % -" + ! " " %, %E#DD% J$ +:%-%+8%%?+%-%-+ >%8$%22*%-$# "!$ N " %% + !+ " " "!$%, %1 %2E9#9*% 5 +5%:%223%0 %-! #3in -% 9@ : ;"( ("%+; %' %(%+0 %5# #8 % <$ !+-%23%& ! ! %( ;"K E#3% <$ !+ -% 23% ; # ! N % ( ;" K 9 DE9%