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Chit xut nm men l g ?
chng c s dng nh ph gia thc phm hoc gia v, hoc nh cc cht dinh dng
cho mi
trng nui cy vi khun.Chng thng c s dng to ra hng v thm ngon v
v
umamicm gic v gic, v c th c tm thy trong mt lng ln cc thc phm ng
gi bao
gm cc ba n ng lnh, bnh quy gin,n vt, nc tht, chng khon v nhiu hn
na.Chit
xut men dng lng c th c sy kh mt dn nh sng hoc bt kh.
Nh chit xut men, cng nhln menthc phm c th cha min phaxit
glutamic, n i khi
c lin kt vi nhng lo ngi lin quan n bt ngt.[ 1 ]
Chit nm men thng c sdng nh mt cht tng cng hng vtrong thc phm
chbincc loi.
T phnnm men (c cha cc thnh t bo) hoc t phn nm men bao gm nng
ment bo
c php cht v ph v, do ni sinh ca nm mentiu haenzym ph v ca
hproteinthnh cc hp cht n gin (axit aminvpeptide).
Marmite Chit xut t Men
Autolysates men c s dng
trongVegemite(c),Marmite,Promite,Oxo(Ireland,New
Zealand,Nam PhivVng quc Anh),Cenovis(Thy S), Vitam-R (c) vMaggi
nc
st.Bovril(IrelandvVng Anh) chuyn t chit xut tht b chit xut men
cho nm 2005 v
hu ht nm 2006, nhng sau chuyn tr li.
Phng php chung lm nm men cho cc sn phm thc phm
nhVegemitevMarmitetrn
quy m thng mi l thmnatri clorua(mui) vo mt h thng treo ca nm
men, lm cho cc gii
phpu trng, dn n cc t bo shrivelling ln;iu ny gy nnautolysis,
trong men t
hy.Cc t bo nm men cht sau c nung nng hon thnh phn tch ca h, sau
tru
(men vi thnh t bo dy) c tch ra.Loi b cc t bo tp trung nhng hng v
v thay i
kt cu.
http://en.wikipedia.org/wiki/Umamihttp://en.wikipedia.org/wiki/Umamihttp://en.wikipedia.org/wiki/Umamihttp://en.wikipedia.org/wiki/Umamihttp://en.wikipedia.org/wiki/Junk_foodhttp://en.wikipedia.org/wiki/Junk_foodhttp://en.wikipedia.org/wiki/Junk_foodhttp://en.wikipedia.org/wiki/Fermentation_in_food_processinghttp://en.wikipedia.org/wiki/Fermentation_in_food_processinghttp://en.wikipedia.org/wiki/Fermentation_in_food_processinghttp://en.wikipedia.org/wiki/Glutamic_acidhttp://en.wikipedia.org/wiki/Glutamic_acidhttp://en.wikipedia.org/wiki/Glutamic_acidhttp://en.wikipedia.org/wiki/Monosodium_glutamatehttp://en.wikipedia.org/wiki/Monosodium_glutamatehttp://en.wikipedia.org/wiki/Monosodium_glutamatehttp://en.wikipedia.org/wiki/Yeast_extract#cite_note-FDA-1http://en.wikipedia.org/wiki/Yeast_extract#cite_note-FDA-1http://en.wikipedia.org/wiki/Yeast_extract#cite_note-FDA-1http://en.wikipedia.org/wiki/Autolysis_(biology)http://en.wikipedia.org/wiki/Autolysis_(biology)http://en.wikipedia.org/wiki/Yeasthttp://en.wikipedia.org/wiki/Yeasthttp://en.wikipedia.org/wiki/Yeasthttp://en.wikipedia.org/wiki/Digestionhttp://en.wikipedia.org/wiki/Digestionhttp://en.wikipedia.org/wiki/Digestionhttp://en.wikipedia.org/wiki/Proteinhttp://en.wikipedia.org/wiki/Proteinhttp://en.wikipedia.org/wiki/Proteinhttp://en.wikipedia.org/wiki/Amino_acidshttp://en.wikipedia.org/wiki/Amino_acidshttp://en.wikipedia.org/wiki/Amino_acidshttp://en.wikipedia.org/wiki/Peptideshttp://en.wikipedia.org/wiki/Peptideshttp://en.wikipedia.org/wiki/Peptideshttp://en.wikipedia.org/wiki/Vegemitehttp://en.wikipedia.org/wiki/Vegemitehttp://en.wikipedia.org/wiki/Vegemitehttp://en.wikipedia.org/wiki/Australiahttp://en.wikipedia.org/wiki/Australiahttp://en.wikipedia.org/wiki/Australiahttp://en.wikipedia.org/wiki/Marmitehttp://en.wikipedia.org/wiki/Marmitehttp://en.wikipedia.org/wiki/Marmitehttp://en.wikipedia.org/wiki/Promitehttp://en.wikipedia.org/wiki/Promitehttp://en.wikipedia.org/wiki/Promitehttp://en.wikipedia.org/wiki/Oxo_(food)http://en.wikipedia.org/wiki/Oxo_(food)http://en.wikipedia.org/wiki/Oxo_(food)http://en.wikipedia.org/wiki/Republic_of_Irelandhttp://en.wikipedia.org/wiki/Republic_of_Irelandhttp://en.wikipedia.org/wiki/Republic_of_Irelandhttp://en.wikipedia.org/wiki/New_Zealandhttp://en.wikipedia.org/wiki/New_Zealandhttp://en.wikipedia.org/wiki/New_Zealandhttp://en.wikipedia.org/wiki/New_Zealandhttp://en.wikipedia.org/wiki/South_Africahttp://en.wikipedia.org/wiki/South_Africahttp://en.wikipedia.org/wiki/South_Africahttp://en.wikipedia.org/wiki/United_Kingdomhttp://en.wikipedia.org/wiki/United_Kingdomhttp://en.wikipedia.org/wiki/United_Kingdomhttp://en.wikipedia.org/wiki/Cenovishttp://en.wikipedia.org/wiki/Cenovishttp://en.wikipedia.org/wiki/Cenovishttp://en.wikipedia.org/wiki/Switzerlandhttp://en.wikipedia.org/wiki/Switzerlandhttp://en.wikipedia.org/wiki/Switzerlandhttp://en.wikipedia.org/wiki/Germanyhttp://en.wikipedia.org/wiki/Germanyhttp://en.wikipedia.org/wiki/Germanyhttp://en.wikipedia.org/wiki/Maggi_saucehttp://en.wikipedia.org/wiki/Maggi_saucehttp://en.wikipedia.org/wiki/Maggi_saucehttp://en.wikipedia.org/wiki/Maggi_saucehttp://en.wikipedia.org/wiki/Bovrilhttp://en.wikipedia.org/wiki/Bovrilhttp://en.wikipedia.org/wiki/Bovrilhttp://en.wikipedia.org/wiki/Republic_of_Irelandhttp://en.wikipedia.org/wiki/Republic_of_Irelandhttp://en.wikipedia.org/wiki/Republic_of_Irelandhttp://en.wikipedia.org/wiki/United_Kingdomhttp://en.wikipedia.org/wiki/United_Kingdomhttp://en.wikipedia.org/wiki/United_Kingdomhttp://en.wikipedia.org/wiki/Vegemitehttp://en.wikipedia.org/wiki/Vegemitehttp://en.wikipedia.org/wiki/Vegemitehttp://en.wikipedia.org/wiki/Marmitehttp://en.wikipedia.org/wiki/Marmitehttp://en.wikipedia.org/wiki/Marmitehttp://en.wikipedia.org/wiki/Sodium_chloridehttp://en.wikipedia.org/wiki/Sodium_chloridehttp://en.wikipedia.org/wiki/Sodium_chloridehttp://en.wikipedia.org/wiki/Hypertonichttp://en.wikipedia.org/wiki/Hypertonichttp://en.wikipedia.org/wiki/Hypertonichttp://en.wikipedia.org/wiki/Autolysishttp://en.wikipedia.org/wiki/Autolysishttp://en.wikipedia.org/wiki/File:Marmite.jpghttp://en.wikipedia.org/wiki/File:Marmite.jpghttp://en.wikipedia.org/wiki/File:Marmite.jpghttp://en.wikipedia.org/wiki/File:Marmite.jpghttp://en.wikipedia.org/wiki/Autolysishttp://en.wikipedia.org/wiki/Hypertonichttp://en.wikipedia.org/wiki/Sodium_chloridehttp://en.wikipedia.org/wiki/Marmitehttp://en.wikipedia.org/wiki/Vegemitehttp://en.wikipedia.org/wiki/United_Kingdomhttp://en.wikipedia.org/wiki/Republic_of_Irelandhttp://en.wikipedia.org/wiki/Bovrilhttp://en.wikipedia.org/wiki/Maggi_saucehttp://en.wikipedia.org/wiki/Maggi_saucehttp://en.wikipedia.org/wiki/Germanyhttp://en.wikipedia.org/wiki/Switzerlandhttp://en.wikipedia.org/wiki/Cenovishttp://en.wikipedia.org/wiki/United_Kingdomhttp://en.wikipedia.org/wiki/South_Africahttp://en.wikipedia.org/wiki/New_Zealandhttp://en.wikipedia.org/wiki/New_Zealandhttp://en.wikipedia.org/wiki/Republic_of_Irelandhttp://en.wikipedia.org/wiki/Oxo_(food)http://en.wikipedia.org/wiki/Promitehttp://en.wikipedia.org/wiki/Marmitehttp://en.wikipedia.org/wiki/Australiahttp://en.wikipedia.org/wiki/Vegemitehttp://en.wikipedia.org/wiki/Peptideshttp://en.wikipedia.org/wiki/Amino_acidshttp://en.wikipedia.org/wiki/Proteinhttp://en.wikipedia.org/wiki/Digestionhttp://en.wikipedia.org/wiki/Yeasthttp://en.wikipedia.org/wiki/Autolysis_(biology)http://en.wikipedia.org/wiki/Yeast_extract#cite_note-FDA-1http://en.wikipedia.org/wiki/Monosodium_glutamatehttp://en.wikipedia.org/wiki/Glutamic_acidhttp://en.wikipedia.org/wiki/Fermentation_in_food_processinghttp://en.wikipedia.org/wiki/Junk_foodhttp://en.wikipedia.org/wiki/Umamihttp://en.wikipedia.org/wiki/Umami
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Tc dng ca chit xut nm men ?
Chit xut nm men khng chcung cp thm hng vcho mn n m cn gipcn bng
cc vtrong sn phm, l l do ti sao n cng nagy2 cng c dng
phbin v rng ri trong cc ngnh sn xut thc phm.Chit xut nm men c
ngun gc hon ton tnhin, khng c cc ha cht haycc loi phgia tng hp. N c
sdng trong hu ht cc loi nc chm,canh, cc thc n sn...
Trong chit xut nm men c cc thnh phn nh axitamin, carborhydrate,
khongcht, vitamin..iu ny hon ton khc bit so vi bt ngt chl mt loi
phgiathc phm. Ngoi ra, chit xut nm men cn to cho sn phm c mt hng vc
bit, cung cp hng vtnhin cho sn phm. Cc sn phm chit xut nmmen ny rt
an ton, thnh phn ca n l tbo nm men c nui c6ay tngsinh khi, sau ,
ngi ta bsung enzyme vo pah1 vtbo, phn thu cny c xl tch lc sau em sy
kh, to thnh chit sut nm men.
Chit xut nm men cha cc thnh phn rt giu protein v glutamate l mt
phnca cc thnh phn protein cng c mt trong nm men, tuy nhin,
glutamate chchim slng xp x5% tng chit xut. Trong cc thnh phn thc
phm khcm chng ta dng hng ngy v dnh c chua, nm rm v pho mt, hm
lng
glutamate nh trong chit xut nm men l rt thp, v dmt quc chua
chaxp xgp 2 ln slng glutamate hin din trong 200ml ca nc tht.
Ngoi ra, c thcon ngi cng sn xut ra glutamate, thc vy, glutamate
lthnh phn tnhin c trong nc ming v trong sa mchng c hm lng caohn. Cc
c quan dinh dng nh DGE (German Nutrition Society) xc nhnvai tr ca n
trong vic chuyn ha v truyn ti thng tin trong bno ngichiev chc nng.
Trong khi chit xut nm men c to tmt hn hp c giuprotein, vitamins v
aminoacid, MSG th chc duy nht mui glutamate. V vy,
MSG khng cmi vt trng ring v chdng tng mi vhin c.
Gluatamate l mt thnh phn hin din trong protein tnhin v do n cng
lmt trong nhng thnh phn ca chit xut nm men. Tuy nhin, chi khong
5%glutamate hin din trong chit xut nm men, c thcon ngi cng sn
xutgluatamet v n c vai tr chc nng trong schuyn ha.
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C rt nhiu loi chit xut nm men, do n1o c thc dng trong rt nhiuloi
mn n khc nhau, skhc bit vmu v, mu sc v mi c tht cbng cch thay i
nhit v thi gian nu.
nh nghaKhi tbo nm men khng cn hot ng, mt qu trnh thy tnhin bt
udin ra gi l stphn. Trong sut qu trnh 1o, cc enzyme ca nm men sphn
hy protein v cc thnh phn khc ca tbo, 1o l nguyn nhn giiphng
peptides, aminoacid, vitamin v cc thnh phn ca tbo nm men khc.Cc
thnh phn khng ha tan sbloi b, phn cn li gi l chit xut nmmen.
Trong lut thc phm, ngi ta nh ngha vchit xut nm men nh sau:
Chitxut nm men l thnh phn ca tbo nm men c thha tan c, thnh phnu tin
l aminoacid, peptide, carborhydrate v mui. Chit xut nm men l mtsn
phm c sn xut thng qua qu trnh phn gii mi lin kt peptide bngcch
nhenzyme c trong loi nm men n c hoc bsung cc loi enzymethc phm.
+ To hng tnhin cho vthc phm thm ngon
Chit xut nm men lm gia tng mi vthng to cho n c vc trng duynht l
nhthnh phn aminoacid v mt phn peeptide tprotein ca nm mentrong qu
trnh tphn. Thnh phn ca chng hon ton tnhin, to vthmngon cho nc dng,
tht, gip tng cng hng vcho mt lot cc sn phmsoup, nc st, tht, c cc
thc phm chbin...
L ngun cung cp nito
Chit xut nm men rt giu nito, vitamin v cc thnh phn kch thch tng
trngv do n d9uoc74 dng nh cc thnh phn nui cy vi sinh vt.
