Taw qhia
Raws li lub ntiaj teb no nrov staple zaub mov, pasta zoo yog feem ntau txiav txim los ntawm cov cim xws likev ntxhib los mos, elasticity, ua noj ua haus kam rau ua, nto nplaum, thiabstarch poob thaum ua noj. Cov neeg siv khoom xav tias cov nplej zom yuav ruaj khov thiab chewy, nrog lub ntsej muag du uas tsis yog - nplaum nplaum, cov dej ua noj ntshiab, thiab tsis kam mus rau clumping txawm tias tom qab txias.
Txawm li cas los xij, pasta yog qhov tseem ceeb ua ke ntawm cov hmoov nplej thiab dej. Thaum lub sij hawm extrusion thiab tom qab ua noj ua haus, gluten network qauv ntawm cov hmoov nplej zoo tib yam feem ntau tsis txaus, ua rau cov hmoov txhuv nplej siab nqus dej, o, rupture, thiab leach tawm. Qhov no ua rau cov nplaum nplaum, cov ntaub mos mos, thiab cov dej ua noj ua haus. Cov teeb meem no tshwj xeeb tshaj yog nyob rau hauv industrially uapasta tshiab (undried)thiabkhov mov paj pasta.
Tawm tsam qhov teeb meem no,emulsifiers-cov khoom siv ntxiv uas tuaj yeem ua rau ob qho tib si gluten proteins thiab hmoov txhuv nplej siab- tau dhau los ua cov txheej txheem tseem ceeb los txhim kho cov nplej zom kom zoo.
Cov Emulsifiers tseem ceeb cuam tshuam rau Pasta Zoo
Raws li ntau yam kev tshawb fawb hauv tsev thiab thoob ntiaj teb, cov emulsifiers hauv qab no cuam tshuam rau cov nplej zom viscosity, ua noj ua haus, kev ntxhib los mos, thiab kev ua haujlwm:
| Lub npe Emulsifier | INS Code | Core Function | Cov teebmeem tseem ceeb ntawm Pasta |
|---|---|---|---|
| Sodium Stearoyl Lactylate (SSL) | E481 | Anionic emulsifier, khi nrog gluten protein | Nce gluten zog; txo cov hmoov txhuv nplej siab thaum ua noj; txhim kho kev ntxhib los mos |
| Glycerol Monostearate (GMS) | E471 | Tsis yog -ionic emulsifier, complexes nrog starch | Tiv thaiv cov hmoov txhuv nplej siab; txo qhov nplaum nplaum; txhim kho processability |
| Diacetyl Tartaric Acid Esters ntawm Mono- thiab Diglycerides (DATEM) | E472e | Khoom noj khoom haus ntxiv dag zog, khi nrog gluten | Txhim kho viscoelasticity; txhim khu kev ua noj ua haus; nce tag nrho cov qhab nia zoo |
| Hydroxypropyl Methyl Cellulose (HPMC) | E464 | Thickener / emulsifier, tiv thaiv cov hmoov txhuv nplej siab | Cov ntaub ntawv tiv thaiv zaj duab xis; txo qhov ua noj tsis zoo; tswj lub khob noom cookie viscosity |
| Sorbitan monolurate | E493 | Tsis yog -ionic emulsifier, txhim kho kev sib cais | Tiv thaiv noodle adhesion; txhim khu kev sib cais; txhim kho noo noo tsis kam |
Mechanisms ntawm Ntsiab Emulsifiers
1 Sodium Stearoyl Lactylate (SSL) -Tus Kws Tshaj Lij Tshaj Lij Tshaj Lij
SSL yog ib qho anionic emulsifier uas dhau muselectrostatic kev sib cuam tshuamnrog gluten proteins nyob rau hauv cov hmoov nplej, txhawb kev sib sau ua ke thiab hla -txuas ntawm gluten molecules los tsim ib tug ruaj khov thiab ntom gluten network qauv.
Cov teebmeem ntawm Pasta Quality:
- Nce Gluten Strength: SSL txhim khu gluten toughness thiab elasticity, ua rau cov qauv denser thaum extrusion thiab tiv thaiv softening thaum ua noj
- Txo cov hmoov txhuv nplej siab thaum ua noj: Lub zog gluten network zoo dua "encapsulates" starch granules, tiv thaiv lawv o, rupture, thiab leaching thaum ua noj. Cov kev tshawb fawb qhia tau tias SSL txo cov teeb meem qhuav poob thiab ua rau dej turbidity
- Txhim kho Frozen Dough Quality: Rau cov khob noom cookie khov, SSL txhawb nqa cov dej noo tsis sib xws, txo cov dej khov loj loj, thiab tiv thaiv kev puas tsuaj rau gluten network. Ntawm 0.15% ntxiv, cov ntsiab lus dej khov tuaj txog nws qhov tsawg kawg nkaus
2 Glycerol Monostearate (GMS)-Tus kws tshaj lij Starch Complexation
GMS, tus sawv cev monoglyceride emulsifier nrog HLB tus nqi kwv yees li 3.8, yog lipophilic uas tsis yog -ionic emulsifier. Nws lub ntsiab mechanism yog tsimcomplexesnrog cov hmoov txhuv nplej siab- cov qauv kab molecular ntawm GMS tuaj yeem nkag mus rau helix ntawm gelatinized starch thiab khi nruj nrog amylose.
Cov teebmeem ntawm Pasta Quality:
- Tiv thaiv Starch Leaching: GMS- cov hmoov txhuv nplej siab txo cov hmoov txhuv nplej siab thiab o hauv dej, yog li txo cov hmoov txhuv nplej siab thaum ua noj
- Txo cov nplaum nplaum nplaum: Los ntawm inhibiting starch granule rupture, GMS zoo txo cov thickness ntawm gelatinized txheej ntawm cov nplej zom, ua rau smoother, tsis yog - nplaum nplaum
- Txhim kho kev ua tau zoo: Hauv kev lag luam pasta ntau lawm, GMS txhim kho cov khoom ua khob noom cookie, ua kom yooj yim extrusion thiab txo qhov tawg.
- Txo roj Absorption: Rau cov khoom kib nplej, GMS kuj txo cov roj nqus
3 Diacetyl Tartaric Acid Esters ntawm Mono- thiab Diglycerides (DATEM)-Cov hmoov nplej ntxiv dag zog
DATEM yog lub khob noom cookie muaj zog nrog HLB tus nqi ntawm 8.0-9.2. Nws cuam tshuam nrog gluten proteins, ua kom lub zog thiab extensibility ntawm gluten network.
Cov teebmeem ntawm Pasta Quality:
- Txhim kho Viscoelasticity: Cov kev tshawb fawb pom tau tias DATEM txhim kho cov nplej zom viscoelasticity thiab ruaj khov, nrog rau 0.3% ntxiv rau cov txiaj ntsig zoo
- Txhim khu kev ua noj ua haus: Lub zog gluten network zoo dua tiv taus siab -kub ua noj, tuav zoo zoo tom qab boiling ntev
- Txhim kho xim: DATEM ua rau cov nplej dawb, ci dua, ua kom zoo nkauj zoo nkauj
- Nce Tag Nrho Cov qhab nia zoo: Ntau qhov kev tshawb fawb tau lees paub tias DATEM ua rau muaj txiaj ntsig zoo dua cov qhab nia
4 Hydroxypropyl Methylcellulose (HPMC) -Tus Kws Tshaj Lij Tiv Thaiv Starch
HPMC yog ib qho tsis yog -ionic cellulose ether derivative cais raws li cov thickener nrog emulsifying zog. Nws tiv thaiv starch granules los ntawm kev tsim ibtiv thaiv colloidal zaj duab xisnyob ib ncig ntawm lawv, tiv thaiv rupture thiab leaching thaum ua noj.
Cov teebmeem ntawm Pasta Quality:
- Txo kev ua noj ua haus: HPMC tsim cov yeeb yaj kiab tiv thaiv ntawm cov hmoov txhuv nplej siab granule, zoo inhibiting o thiab rupture
- Tswj cov hmoov nplej viscosity: Los ntawm kev kho cov theem aqueous viscosity, HPMC txhim kho cov khoom ua khob noom cookie thiab cov yam ntxwv sib xws
- Txhim kho Gluten Network: HPMC nthuav tawm kev sib koom ua ke nrog gluten proteins, ntxiv dag zog rau lub khob noom cookie
5 Sorbitan Monolaurate-Tus kws tshaj lij txhim kho kev sib cais
Sorbitan monolaurate yog ib qho tsis yog -ionic emulsifier uas nws txoj haujlwm tseem ceeb tshaj plaws yogtiv thaiv noodle adhesion thiab txhim kho kev sib cais, tshwj xeeb tshaj yog haum rau siab - ntub cov nplej tshiab.
Cov teebmeem ntawm Pasta Quality:
- Tiv thaiv Adhesion: Ua ib txheej nyias ntawm cov nplej tshiab los yog siav, tiv thaiv cov noodles los ntawm kev ua ke
- Txhim khu kev sib cais: Ua kom xoob, sib cais tom qab cov roj txheej, ua kom yooj yim rau kev ua tiav thiab ntim khoom
- Txhim kho noo noo tsis kam: Tswj kev sib cais ruaj khov txawm tias nyob hauv qhov chaw siab -cov av noo, tiv thaiv adhesion los ntawm kev nqus dej noo
Summary of Mechanisms
Cov txheej txheem ntawm cov emulsifiers tau tham saum toj no tuaj yeem raug sau tseg raws li hauv qab no:
| Mechanism Qib | Ntsiab Mechanism | Cov neeg sawv cev Emulsifiers | Pab txhawb rau Pasta Quality |
|---|---|---|---|
| Gluten Strengthening | Kev khi nrog gluten proteins, txhawb kev hla - txuas | SSL, DATEM | Txhim kho elasticity, firmness, ua noj ua haus kam |
| Kev tiv thaiv hmoov txhuv nplej siab | Tsim cov complexes los yog cov yeeb yaj kiab tiv thaiv nrog cov hmoov txhuv nplej siab | GMS, HPMC | Txo kev ua noj ua haus, txo cov nplaum |
| Kev hloov kho saum npoo | Ua lub lubricating txheej ntawm noodle nto | Sorbitan monolurate | Tiv thaiv adhesion, txhim kho kev sib cais |
| Kev tiv thaiv khov | Inhibiting ice crystal kev loj hlob, tiv thaiv gluten | SSL | Txhim kho lub khob noom cookie zoo |
Xaus
Kev txhim kho cov nplej zom zoo tseem ceeb yuav tsum tswj xyuas ob lub ntsiab lus tseem ceeb:gluten cov proteinthiabhmoov nplej. Sodium Stearoyl Lactylate (SSL) ntxiv dag zog rau gluten network, imparting firmness thiab ua noj ua haus kam rau ua. Glycerol Monostearate (GMS) complexes nrog cov hmoov txhuv nplej siab, tiv thaiv cov nplaum nplaum thiab cov hmoov txhuv nplej siab. Diacetyl Tartaric Acid Esters ntawm Mono- thiab Diglycerides (DATEM), ua lub khob noom cookie muaj zog tshaj plaws, ua kom muaj zog viscoelasticity thiab ua noj ua haus. Hydroxypropyl Methylcellulose (HPMC) tiv thaiv cov hmoov txhuv nplej siab, ntxiv kom tsis txhob ua noj. Sorbitan monolaurate tshwj xeeb daws teeb meem adhesion hauv cov nplej tshiab.
Cov noemulsifierstsis yog kev sib koom ua ke - hauv kev tsim khoom,blended formulationsfeem ntau yog siv los ua kom muaj kev sib koom ua ke thiab ua kom zoo dua cov nplej zom kom zoo. Xaiv qhov tsim nyog emulsifier ua ke yog cov cuab yeej tseem ceeb hauv kev tsim cov nplej zom niaj hnub.
