Yog vim li cas Fat nyuaj hloov?
Rog plays ntau lub luag haujlwm hauv cov khoom noj. Nws nqa thiab txhim kho cov tshuaj tsw qab, muab cov creamy kev ntxhib los mos, nplua nuj qhov ncauj, thiab txaus siab chewiness, thaum tseem stabilizing emulsions thiab pab khaws cov dej noo thoob plaws hauv cov khoom txee lub neej. Thaum cov roj raug tshem tawm yam tsis muaj kev hloov kho, cov yam ntxwv no poob sai heev -piv txwv li, txo cov roj khov nab kuab los ntawm 10% mus rau 3% hloov pauv tus cwj pwm emulsion, ice crystal tsim, thiab cov khoom zoo li cas hauv lub qhov ncauj.
Txawm hais tias cov kev sib tw tshwj xeeb sib txawv los ntawm cov khoom, qhov teeb meem tseem ceeb tseem yog tib yam: rog ua haujlwm ntau lub luag haujlwm hauv cov qauv.Emulsifiers pab them rov qab rau kev txo cov rog los ntawm kev txhawb nqa cov haujlwm tseem ceeb xws li emulsion stability, huab cua incorporation, thiab tswj cov dej noo..
Yuav ua li cas Emulsifiers Compensate rau Txo Fat
1. Emulsion Stabilization
Hauv cov kua ntsw, hnav khaub ncaws, thiab lwm yam khoom noj siv mis, txo cov rog hloov cov roj- dej piv thiab yuav ua rau muaj kev sib cais thaum khaws cia. Emulsifiers tso lawv tus kheej ntawm cov roj - dej interface, tsim ib txheej tiv thaiv ib ncig ntawm cov roj tee uas tiv thaiv lawv los ntawm coalescing. Qhov no tswj cov khoom ruaj khov thiab pom kev sib xws txawm tias cov ntsiab lus muaj roj tsawg.
2. Rebuilding Creamy Mouthfeel
Creaminess feem ntau cuam tshuam los ntawm cov roj droplet loj thiab kev faib tawm. Cov me me, ntau qhov sib txawv ntawm cov tee dej ua kom zoo dua, kev nkag siab zoo dua. Emulsifiers txhim kho cov dej xau thaum lub sijhawm ua haujlwm, pab txo - cov khoom muaj roj tuav lub qhov ncauj creamy txawm tias muaj roj tsawg.
3. Kev tuav cov ntaub ntawv thiab cov qauv hauv cov khoom Bakery
Hauv cov khoom ci, roj feem ntau lubricates gluten network, stabilizes huab cua npuas, thiab pab kom cov crumb mos. Thaum muaj roj tsawg, cov haujlwm no yuav tsum tau hloov. Emulsifiers them nyiaj los ntawm kev cuam tshuam nrog cov hmoov txhuv nplej siab kom qeeb staling thiab khi nrog gluten proteins kom ntxiv dag zog rau lub network.
Kev sib piv ntawm emulsifiers feem ntau siv hauv rog-Cov qauv txo qis
| Emulsifier | HLB Value | Hom tshuaj | Cov txiaj ntsig tseem ceeb hauv Txo -Fat Formulations | Tej kev siv | Pom zoo siv |
|---|---|---|---|---|---|
| GMS / DMG (E471) | ~3.8 | Tsis yog -ionic | Delays starch retrogradation, tswj softness thiab ya raws; tuaj yeem tsim oleofoams los hloov cov rog rog | Txo - rog mov ci, ncuav mog qab zib, ice cream, kis | 0.3% - 0.5% hmoov nplej |
| SSL (E481) | ~8.3 | Anionic | Txhim kho gluten network, nce ntim; blends nrog HPMC ho txhim kho qis -fat ncuav mog qab zib microstructure | Txo -fat breads, ncuav qab zib, steamed buns, tsis yog- mis nyuj creamer | 0.2% - 0.5% hmoov nplej |
| DATEM (E472e) | 8.0-9.2 | Tsis yog -ionic | Txhim kho lub khob noom cookie elasticity thiab roj khaws cia, them nyiaj rau cov qauv poob tom qab txo cov rog | Txo -cov qhob cij rog, khov khob noom | 0.2% - 0.4% hmoov nplej |
| Lecithin (E322) | 3-4 | Amphoteric | Ntuj keeb kwm, huv daim ntawv lo tus phooj ywg; tuaj yeem hloov cov rog ib nrab, txhim kho kev ntxhib los mos thiab emulsion stability | Txo - rog chocolate, ice cream, hloov zaub mov | 0.3%-1.0% |
| PEB (E476) | 1-2.5 | Tsis yog -ionic | Qhov tseem ceeb txo cov qhob noom xim kasfes muab tshuaj txhuam tawm los ntawm kev ntxhov siab, txo qis kev siv cocoa butter los ntawm 8% -10% | Txo - rog chocolate, txheej | 0.2% - 0.5% (kwv yees nrog lecithin) |
| Polysorbates (Tween 80, E433) | ~15 | Tsis yog -ionic | Muaj zog hydrophilicity, siab emulsifying efficiency, stabilizes qis - roj emulsions | Txo -cov dej khov nab kuab, tsis yog- mis nyuj khov, kua ntses | 0.1%-0.5% |
| Propylene Glycol Alginate (PGA) | - | Anionic | Triple functionality: emulsifying, thickening, ua npuas ncauj stabilizing; muaj zog acid kuj | Txo -cov khoom noj rog rog, cov dej qab zib qab | 0.1%-0.3% |
Kev soj ntsuam ntxaws ntawm Txhua emulsifier
1 Glycerol Monostearate (GMS / DMG)
GMS yog ib qho ntawm cov classic emulsifiers rau kev txo cov rog. Nws cov txiaj ntsig tseem ceeb nyob hauv kev tsim cov complexes nrog cov hmoov txhuv nplej siab molecules, ncua cov hmoov txhuv nplej siab retrogradation (staling), yog li tswj cov khoom muag muag thiab noo noo txawm tias txo cov roj.
Txiav -Edge Application: GMS tuaj yeem tsim cov oleofoams ruaj khov nrog cov roj zaub los hloov cov cocoa butter nyob rau hauv qis - rog chocolate kev loj hlob. Kev tshawb fawb qhia tau hais tias nyob rau hauv cov kev kho kom zoo (12% GMS concentration, 5- feeb whipping lub sij hawm), ruaj khov ua npuas ncauj qauv yuav ua tau tiav. Cov qhob noom xim kasfes npaj los ntawm kev hloov 25% cocoa butter nrog cov kab ke no tau pom qhov sib piv ntawm hardness, melting yam ntxwv, thiab hnov tsw txaus siab rau tag nrho cov rog chocolate, thaum txo qis saturated fatty acid cov ntsiab lus.
Daim ntawv thov pom zoo: Hauv kev txo qis - rog mov ci thiab ncuav, GMS raug pom zoo ntawm 0.3%-0.5% ntawm hmoov nplej.
2 Sodium Stearoyl Lactylate (SSL)
SSL yog anionic emulsifier nrog HLB tus nqi kwv yees li 8.3, cais raws li roj-hauv- hom dej. Hauv kev txo qis -fat formulations, SSL compensates rau ntim poob thiab cov yam ntxwv tsis muaj zog los ntawm kev khi nrog gluten proteins, txhim kho gluten network elasticity thiab toughness.
Cov ntaub ntawv tshawb fawb: Ib txoj kev tshawb fawb luam tawm hauvKhoom noj khoom haus Hydrocolloidspom tau hais tias ncuav mog qab zib npaj los ntawm kev hloov 50% rog nrog cov noob hnav roj, ua ke nrog HPMC thiab SSL, pom tau qhov zoo tshaj plaws hauv batter viscosity, ncuav mog qab zib ntim, thiab tag nrho cov zoo. Qhov kev sib xyaw ua ke no ua rau cov kab mob sib kis tau zoo dua nrog cov kab noj hniav tsawg dua thiab cov protein matrix txuas ntxiv, thaum txo cov roj saturated ntau dua 30%.
Daim ntawv thov pom zoo: Hauv cov khoom noj muaj roj tsawg, SSL raug pom zoo ntawm 0.2%-0.5% ntawm hmoov nplej.
3 DATEM (E472e)
DATEM yog lub zog uas tsis yog -ionic khob noom cookie ntxiv dag zog. Hauv kev txo qis -fat formulations, DATEM txhim kho gluten network thiab stabilizes huab cua cell qauv, txhawb cov qauv cij ntawm cov roj tsawg thiab them nyiaj rau kev ntxhib los mos thaum shortening yog txo.
Daim ntawv thov pom zoo: Hauv kev txo qis - cov ntawv ci ci, DATEM ua haujlwm zoo tshaj plaws thaum sib xyaw nrog DMG, ntawm 0.2%-0.4% ntawm hmoov nplej.
4 Lecithin (E322)
Lecithin yog lub ntuj amphoteric emulsifier. Nws qhov zoo tshaj plaws yognatural keeb kwmthiabhuv daim ntawv lo ua phooj ywg. Hauv kev txo qis -fat formulations, lecithin tuaj yeem hloov cov rog ib nrab, ua rau cov ntaub so ntswg zoo ib yam thiab zoo, ua rau huab cua npuas thiab noo noo stability, thiab tiv thaiv siab - melting- taw tes rog crystallization thiab rog ntab.
Daim ntawv thov hauv Kev Hloov Khoom Noj: Tshaj li emulsification, phospholipids muab cov txiaj ntsig kev noj qab haus huv hauv cov khoom noj hloov khoom noj. Lawv tsim colloidal tes hauj lwm uas ua rau kom viscosity thiab ncua lub plab khoob los ntawm 1-2 teev, thaum txhawb fatty acid -oxidation thiab txhim kho basal metabolic tus nqi kwv yees li 5%-8%.
Daim ntawv thov pom zoo: Hauv kev txo qis - rog chocolate, lecithin feem ntau siv nrog PGPR; hauv kev hloov pauv zaub mov, pom zoo ntawm 0.5% -1.0%.
5 PIB (E476)
PGPR yog cov dej muaj txiaj ntsig zoo-hauv- roj emulsifier nrog HLB tus nqi tsuas yog 1-2.5. Nws qhov tshwj xeeb tshaj plaws yog qhov muaj peev xwm txo tau cov qhob noom xim kasfes paste yield stress-ib qho khoom tshwj xeeb ntawm cov zaub mov-qib emulsifiers.
Fat-Kev txo qis: Ntxiv 0.3% PGPR thiab 0.3% lecithin rau qhob noom xim kasfes txo qis kev ntxhov siab los ntawm kwv yees li 50%, yog li txo qis kev siv cocoa butter, thinning chocolate txheej tuab, thiab txhim kho kev ua haujlwm. Kev sib xyaw 0.2% PGPR nrog 0.5% lecithin tuaj yeem txo qis kev siv cocoa butter los ntawm kwv yees li 8%.
Daim ntawv thov pom zoo: Hauv kev txo qis - rog chocolate, PGPR feem ntau yog siv nrog lecithin ntawm 1: 1 lossis 1: 2 piv, nrog rau tag nrho ntxiv tswj ntawm 0.5%-1.0%.
6 Polysorbates (Tween Series)
Polysorbates yog cov feem ntau hydrophilic zaub mov emulsifiers, nrog HLB qhov tseem ceeb nyob ib ncig ntawm 15. Nyob rau hauv txo - fat formulations, lawv yog haum rau haus dej haus, khoom noj siv mis nyuj, thiab cov kua ntses uas yuav tsum tau ruaj khov emulsions ntawm cov roj cov ntsiab lus, thiab feem ntau yog siv nyob rau hauv txo - rog ice cream thiab tsis yog {{3}.}
Kev cai txwv kev siv
Raws li GB 2760 National Food Safety Standard for Use of Food Additives, ntau qib kev siv rau cov emulsifiers tseem ceeb hauv kev txo - cov khoom muaj roj muaj raws li hauv qab no:
| Emulsifier | Qeb zaub mov | Kev siv ntau tshaj (g / kg) |
|---|---|---|
| Sodium Stearoyl Lactylate (SSL) | Qos yaj ywm, pastries | 2.0 |
| Glycerol Monostearate (GMS) | Ntau yam khoom noj | GMP (raws li xav tau) |
| DATEM | Qos yaj ywm, pastries | 10.0 |
| Lecithin | Ntau yam khoom noj | GMP (raws li xav tau) |
| PGPR | Cov khoom qab zib thiab chocolate | 5.0 |
| Polysorbate 80 | Cov khoom qab zib khov, tsis yog -cov khoom qab zib | 10.0 |
Daim Ntawv Qhia Kev Xaiv rau Txo - Cov Khoom Siv Roj
| Yam khoom | Pom zoo Emulsifier Blend | Kev xav |
|---|---|---|
| Txo -Fat Bread/Toast | DMG (0.3% -0.5%) + DATEM (0.2% -0.4%) | DMG rau kev tiv thaiv -staling, DATEM rau lub khob noom cookie ntxiv dag zog; synergistically compensates rau ntim thiab softness poob |
| Txo -Cov ncuav qab zib rog | SSL (0.2% -0.5%) + HPMC + zaub roj | Kev tshawb fawb lees paub qhov kev sib xyaw ua ke no ua tiav qhov ntim thiab kev ntxhib los mos ze rau tag nrho - cov khoom rog |
| Txo -Fat Chocolate | PGPR (0.2% -0.3%) + Lecithin (0.3% -0.5%) | PGPR rau viscosity txo, lecithin rau emulsification; synergistically txo cocoa butter siv los ntawm 8% -10% |
| Txo -Fat Ice Cream | GMS (0.2% -0.3%) + Polysorbate 80 (0.1% -0.2%) | GMS rau npuas stabilization, Polysorbate rau dispersibility; inhibits ice crystal tsim |
| Txo -Fat Salad Dressing | Lecithin + Polysorbate 80 + PGA | Triple blends stabilizes roj- hauv- dej emulsion ntawm cov roj tsawg |
| Noj mov hloov co | Lecithin (0.5% -1.0%) + GMS | Phospholipids muab satiety; monoglycerides stabilizes emulsion system |
Xaus
Thaum cov emulsifiers tsis tuaj yeem hloov tag nrho cov haujlwm ntawm cov roj, los ntawm kev sib xyaw ua ke lawv tuaj yeem ua tau zoo ntawm cov roj cov haujlwm tseem ceeb hauv cov khoom noj muaj roj tsawg, suav nrog emulsion stabilization, kev txhim kho kev ntxhib los mos, thiab kev ua kom lub qhov ncauj.Xaiv txoj caiemulsifierkev sib xyaw ua ke tsis yog kev txiav txim siab nkaus xwb tab sis kuj yog qhov tseem ceeb ntawm kev txiav txim siab seb puas txo qis - cov khoom rog tau txais cov neeg siv khoom txaus siab.
Cov emulsifiers sib txawv muaj qhov sib txawv hauv kev txo qis - roj formulations: GMS excels ntawm anti-staling thiab softness tuav; SSL tshwj xeeb hauv gluten ntxiv dag zog thiab ntim nce; PGPR tsom rau viscosity txo thiab txo cov rog; thaum lecithin sawv tawm hauv daim ntawv huv huv thiab daim ntawv thov hloov zaub mov vim nws lub hauv paus chiv keeb thiab cov txiaj ntsig ntawm lub cev. Xaiv thiab sib xyaw cov emulsifiers kom tsim nyog raws li cov khoom lag luam thiab lub hom phiaj qhov chaw yog lub tshuab tseem ceeb rau kev ua tiav qib siab -zoo txo- cov khoom noj muaj roj.
