khov-qhuav strawberries yog txheej txheem txaus nyiam uas hloov cov txiv hmab txiv ntoo tshiab rau hauv cov khoom sib sib zog nqus, txee ruaj khov. Txoj kev no khaws cia feem ntau ntawm cov txiv hmab txiv ntoo cov khoom noj muaj txiaj ntsig thaum muab cov ntsiab lus tsw qab uas tuaj yeem siv rau ntau yam kev siv ua noj. Nkag siab txog cov txiaj ntsig ntawm khov-qhuav strawberries yog qhov tseem ceeb rau ob qho tib si hauv tsev ua noj thiab cov neeg tsim khoom lag luam kom ntseeg tau tias lawv ua tiav cov txiaj ntsig xav tau hauv lawv cov zaub mov txawv thiab cov khoom lag luam. Hauv qhov blog no, peb yuav tshawb xyuas cov txheej txheem khov-qhuav, qhov tawm los ntawmkhov-qhuav strawberries, thiab lawv cov kev siv.
Txoj Kev Kho Kom Qhuav Qhuav
Kev ziab kom qhuav, lossis lyophilization, suav nrog kev tshem tawm cov dej noo ntawm cov zaub mov los ntawm sublimation, uas yog kev hloov pauv ntawm cov dej los ntawm cov khoom (dej) ncaj qha mus rau cov pa roj (vapor) yam tsis dhau los ntawm cov kua theem. Ntawm no yog ib tug step-by-step txheej txheem cej luam ntawm tus txheej txheem:
- khov: Cov txiv pos nphuab tshiab yog thawj khov ntawm qhov kub thiab txias, feem ntau ntawm -40 degree F thiab -50 degree F (-40 degree rau -45 degree ). Cov kauj ruam no khaws cov txiv hmab txiv ntoo cov qauv thiab cov khoom noj khoom haus.
- Nqus Chamber: Cov txiv pos nphuab khov tom qab ntawd muab tso rau hauv lub tshuab nqus tsev. Lub tshuab nqus tsev ua kom lub siab qis, cia cov dej khov rau sublimate ntawm qhov kub thiab txias.
- Sublimation: Nyob rau hauv lub tshuab nqus tsev, cua sov yog siv rau khov strawberries, ua rau cov dej khov sublimate. Cov txheej txheem no tshem tawm txog li 98-99% ntawm cov dej noo.
- Ntim: Thaum cov dej noo tau muab tshem tawm, cov txiv pos nphuab qhuav qhuav tau muab ntim rau hauv airtight ntim kom tiv thaiv kom tsis txhob muaj dej noo.
Yield ntawm Freeze-Dried Strawberries
Cov tawm los ntawmkhov-qhuav strawberriesnyob ntawm qhov pib qhov hnyav ntawm cov txiv pos nphuab tshiab thiab kev ua haujlwm ntawm cov txheej txheem khov-qhuav.
Feem ntau, cov txiv pos nphuab tshiab muaj li ntawm 90-91% dej los ntawm qhov hnyav. Qhov no txhais tau hais tias tom qab khov-qhuav, strawberries yuav poob feem ntau ntawm lawv qhov hnyav hauv daim ntawv ntawm dej.
Piv txwv xam:
- Pib Nyhav: 1 phaus (16 ooj) ntawm cov txiv pos nphuab tshiab.
- Cov ntsiab lus dej: kwv yees li 90-91%, lossis txog 14.4-14.6 ooj dej.
- Qhov hnyav ntxiv: Tom qab khov-qhuav, cov txiv pos nphuab yuav hnyav li 1.4-1.6 ooj.
Yog li ntawd, 1 phaus ntawm strawberries tshiab yields roughly 1.4 mus rau 1.6 ooj ntawm khov-qhuav strawberries. Qhov kev txo qis hauv qhov hnyav no yog vim kev tshem tawm yuav luag tag nrho cov dej ntsiab lus, tawm hauv qab cov ntsiab lus tseem ceeb ntawm strawberries.
Cov yam ntxwv ntawm Freeze-Dried Strawberries
khov-qhuav strawberries khaws ntau yam ntxwv ntawm cov txiv pos nphuab tshiab, nrog qee qhov sib txawv:
- Flavor: Qhov tsw ntawmkhov-qhuav strawberriesyog heev concentrated thiab khaus vim yog tshem tawm ntawm dej, uas dilutes lub tsw nyob rau hauv tshiab strawberries.
- Kev ntxhib los mos: Lawv muaj lub teeb, crispy kev ntxhib los mos uas tuaj yeem yooj yim crumbled los yog hmoov.
- Kev Noj Qab Haus Huv Tus Nqi: Cov txiv pos nphuab qhuav qhuav muaj feem ntau ntawm lawv cov khoom noj khoom haus, suav nrog cov vitamins, minerals, thiab antioxidants.
- Txee Lub neej: Thaum khaws cia rau hauv lub thawv ntim cua, cov txiv pos nphuab qhuav qhuav tuaj yeem nyob tau ntau xyoo yam tsis muaj tub yees.
Daim ntawv thov ntawm Freeze-Dried Strawberries
Lub versatility ntawm khov-qhuav strawberries ua rau lawv zoo tagnrho rau ntau yam kev ua noj ua haus thiab tsis ua noj:
- Khoom noj txom ncauj: khov-qhuav strawberries tuaj yeem nyiam ua noj qab haus huv, crunchy khoom noj txom ncauj ntawm lawv tus kheej los yog tov nrog txiv ntseej thiab lwm yam txiv hmab txiv ntoo qhuav.
- Ci: Lawv tuaj yeem siv rau hauv cov zaub mov ci, xws li muffins, ncuav qab zib, thiab ncuav qab zib, ntxiv rau qhov tawg ntawm strawberry tsw yam tsis ntxiv noo noo ntxiv.
- Ua noj: Rehydrated freeze-dried strawberries tuaj yeem siv tau hauv cov kua ntses, jams, thiab compotes.
- Toppings: Sprinkle khov-qhuav strawberry pieces ntawm cereals, yogurt, ice cream, thiab zaub xam lav rau ntxiv tsw thiab zoo nkauj.
- Smoothies : Ntxiv khov-qhuav strawberries rau smoothies rau qhov khaus strawberry tsw yam tsis xav tau cov txiv hmab txiv ntoo tshiab.
- Hmoov: Sib tovkhov-qhuav strawberriesrau hauv cov hmoov zoo siv rau hauv cov khoom qab zib, dej haus, los yog cov khoom noj khoom haus xim.
Combining Freeze-Dried thiab Fresh Strawberries
Ua ke khov-qhuav thiab tshiab strawberries tuaj yeem muab ntau yam kev ntxhib los mos thiab tsw hauv ntau yam tais diav:
- Txhim Kho Hniav: Siv khov-qhuav strawberries los ua kom qhov tsw ntawm cov txiv pos nphuab tshiab hauv cov zaub mov xws li smoothies, jams, thiab kua ntses.
- Textural Contrast: Ntxiv khov-qhuav strawberries rau cov txiv hmab txiv ntoo tshiab rau qhov sib txawv.
- Garnishes: sivkhov-qhuav strawberryhmoov rau garnish khoom qab zib ua nrog cov txiv pos nphuab tshiab, txhim kho ob qho tib si tsos thiab tsw.
Kev xav txog tswv yim
Thaum siv khov-qhuav strawberries, xav txog cov hauv qab no:
- Rehydration: Txhawm rau rov ua kom dej dua, muab cov txiv pos nphuab qhuav qhuav hauv dej rau ob peb feeb. Qhov no muaj txiaj ntsig zoo rau cov zaub mov uas xav tau kev ntxhib los mos.
- Cia: Khwkhov-qhuav strawberriesnyob rau hauv ib qho chaw txias, qhuav nyob rau hauv lub thawv airtight kom tswj tau lawv cov khoom zoo thiab ntev lawv lub txee lub neej.
- Kev faib tawm: Vim lawv qhov hnyav, nws yooj yim rau siv ntau dhau khov-qhuav strawberries. Ua tib zoo ntsuas kom ntseeg tau qhov tseeb qhov sib npaug ntawm koj cov zaub mov txawv.
