Frozen Sweet Potato Dry Matter, Txiav Loj thiab Tus Neeg Yuav Qhia|XMSD

Kev lees paub tias cov qos yaj ywm qab zib tswj cov ntshav qab zib, kho hemorrhoids, tiv thaiv qog noj ntshav lossis txo qhov mob plab tsis tsim nyog rau cov khoom khov. Lawv kuj tuaj yeem tsim kev kho mob thiab kev pheej hmoo rau daim ntawv lo. Rau cov neeg xa khoom, cov khoom noj khoom haus lossis cov neeg yuav khoom noj khoom haus, cov lus nug tseem ceeb sib txawv: cov qoob loo thiab cov nqaij xim twg yog muab, yog cov khoom nyoos lossis siav ua ntej khov, cov khoom qhuav thiab qab zib npaum li cas, thiab qhov txiav puas muaj sia nyob ntawm cov neeg siv khoom?

Qos yaj ywm tsis yog ib qho khoom siv raw. Txiv kab ntxwv, daj, qab zib thiab ntshav cev nqaij daim tawv tuaj yeem qhia cov pab pawg sib txawv, tab sis xim ib leeg tsis kwv yees cov teeb meem qhuav, hmoov txhuv nplej siab, qab zib lossis ua noj ua haus. Lub voos xwmfab ntawm cov txiv kab ntxwv moist tuaj yeem ua rau hauv qhov sib xyaw ua ke, thaum ntau yam ziab tuaj yeem nyob noj mov lossis tuav zoo. Ib daim hlab ntshav tuaj yeem xa cov xim muaj zog tab sis yuav tsum muaj qhov sib txawv xim av thiab xim - kuaj kev tsiv teb tsaws.

Kev ua lub xeev tseem ceeb npaum li cas. Raw IQF tsuav tsuav, blanched tsuav, steamed pieces thiab pre-fried fries yuav tsum tsis txhob qhia ib specification. Xauv cov mis, ua hom ntawv, ua noj, tuav lub sij hawm, pob thiab lo lus uas peb ua ntej. Tom qab ntawd tso cai rau tus kheej, cov khoom qhuav, cov khoom siv soluble, txiav kev faib tawm, qhov tsis xws luag sab hauv, xim, kev ntxhib los mos, cov txiaj ntsig siv tau, microbiology, cov ntaub ntawv thiab cov saw txias ntawm cov neeg sawv cev ntau ntau.

Xauv ntau yam, nqaij xim thiab txheej txheem xeev

Sau Ipomoea batatas thaum botanical tus kheej yog yuav tsum tau, ces ntxiv ntau yam coj mus muag los yog pom zoo hom, keeb kwm, qoob loo qhov rais thiab nqaij- xim ntau yam. Qos yaj ywm tsis yog tib hom li cov qos yaj ywm, thiab cov npe hauv cheeb tsam xws li yam tuaj yeem tsis meej. Koj qhov kev qhia tshwj xeeb thiab daim ntawv lo yuav tsum siv qhov tseeb, qhov chaw - lub npe khoom tsim nyog.

Txhais cov xim nqaij nyob rau hauv kev tswj teeb pom kev zoo thiab nyob rau hauv qhov tseeb. Txiv kab ntxwv, daj daj thiab ntshav cov khoom lag luam tuaj yeem ua rau pom kev sib txawv thiab tsim cov hom phiaj. Ntuj variation nyob rau hauv ib tug cultivar yuav tsum tau sawv cev los ntawm ib tug pom zoo ntau yam es tsis yog ib tug edited duab. Yog tias koj xav tau cov kua txiv kab ntxwv ci ua tiav los yog muaj zog ntshav qab zib puv puv, sim xim tom qab qhov tseeb cua sov, pH thiab cov khoom raug.

CovXMSD khov qos yaj ywm qebnthuav tawm diced, steamed thiab lwm yam kev xaiv txiav raws li cov ntsiab lus pib sib txawv. Siv nplooj ntawv txhawm rau txheeb xyuas tsev neeg cov khoom, tom qab ntawd thov cov lus qhia tam sim no, qauv, txheej txheem ntws thiab tus khub - thaj chaw. Cov nplooj ntawv thov tsis yog hloov pauv rau kev txiav txim - kev pom zoo tshwj xeeb.

Qhia seb lub hauv paus yog tev los yog tawv nqaij -rau, nyoos, blanched, steamed, ci, pre-kib los yog lwm yam ua ntej IQF khov. Sau cov tshuaj tiv thaiv -kev kho mob xim av, qab zib, roj, hmoov txhuv nplej siab, txheej lossis lwm yam khoom xyaw. Ib yam khoom uas tau piav qhia tias "100% qos yaj ywm qab zib" yuav tsum tsis txhob ua ntsiag to suav nrog kev pabcuam ua haujlwm lossis glaze uas hloov cov lus tshaj tawm lossis daim ntawv thov.

Xaiv daim ntawv los ntawm daim ntawv thov. Cov tsuav me me tuaj yeem tawg los ntawm kev txhaws lossis kua zaub. Cov qhov cub loj dua muab qhov pom tseeb tab sis xav tau lub chaw ua noj ntev dua. Strips raug soj ntsuam rau qhov ntev, hla-section, breakage thiab browning. Steamed pieces tuaj yeem ua kom luv luv rau cov neeg siv khoom noj tab sis tej zaum yuav softer thiab yooj yim dua rau kev tuav. Puree cov kev pab cuam saib xyuas ntau dua ntawm fiber ntau, xim, smoothness thiab solids rov qab zoo tshaj lub voos xwmfab geometry.

Cov Khoom Qhuav thiab Qab Zib Predict txawv cwj pwm

USDA Kev Tshawb Fawb Txog Kev Ua Liaj Ua Teb sau tseg tias cov qos yaj ywm qab zib tuaj yeem nthuav dav dav - teeb meem ntau yam, nrog qhia tawm tshiab - hnyav qhuav ntawm kwv yees li 18% mus rau 45% thiab cov hmoov txhuv nplej siab los ntawm 8% mus rau 33.5% hauv kev txheeb xyuas kev txheeb xyuas. Qhov no tsis yog kev yuav khoom ntev. Nws qhia tau hais tias yog vim li cas lub npe cultivar, tus sawv cev ntsuas thiab daim ntawv thov teeb meem.

Cov teeb meem qhuav yog qhov seem tshuav tom qab dej raug tshem tawm los ntawm kev pom zoo analytical txoj kev. Cov teeb meem qhuav siab dua tuaj yeem txhawb nqa lub zog, noj zaub mov los yog cov txiaj ntsig zoo, tab sis cov qoob loo, cov hmoov txhuv nplej siab, kev ua noj thiab cov qauv ntawm tes kuj tseem ceeb. Cov teeb meem qhuav qis dua tuaj yeem ua rau moist, smoother tshwm sim. Tsis txhob siv ib txoj cai "siab dua yog qhov zoo dua" rau fries, puree, bakery filling thiab npaj- pluas mov cubes.

Sau cov qauv qauv, qauv kuaj, qauv npaj, ziab qhov kawg thiab qhia hauv paus. Tshem tawm los yog suav nrog tev tsis tu ncua. Yog tias cov khoom siv steamed raug kuaj, hais seb qhov chaw condensate yog drained thiab yuav ua li cas. Composite ntau cov hauv paus hniav los yog thawv vim tias ib qho txawv txav tuaj yeem cuam tshuam tus qauv me me.

Soluble-cov ntaub ntawv nyeem los ntawm cov kua txiv hmab txiv ntoo tuaj yeem txhawb kev saib xyuas tab sis tsis zoo ib yam li tag nrho cov qab zib, cov khoom qhuav los yog pom qhov qab zib. Starch conversion, curing, cia, cultivar thiab ua noj ua haus muaj zog qab zib. Kho cov qauv ntsuas kub, rho tawm lossis homogenization, ntsuas, ntsuas ntsuas thiab tus lej ntawm cov khoom siv rov ua dua. Siv lub chaw kuaj ntshav qab zib profile thaum daim ntawv lo lossis cov mis xav tau cov suab thaj ib leeg.

Sib piv cov khoom qhuav thiab qab zib nrog kev ua haujlwm siav. Lub siab - cov khoom lub voos xwmfab yuav tuav cov duab hauv stew tab sis xav tias qhuav dhau ntawm cov khoom qab zib. Ib qho sweeter, moist ntau yam tuaj yeem sib tov zoo rau hauv puree tab sis poob zoo nyob rau hauv ib tug ntev ua noj. Txhais lub hom phiaj los ntawm kev ua tiav- zaub mov muaj nuj nqi, tom qab ntawd pom zoo rau tus lej tswj thiab cov khoom siv hluav taws xob.

CovXMSD khov qos yaj ywm sivqhia cubes, chunks, slices thiab fries raws li cov ntaub ntawv lag luam sib txawv. Siv cov qauv xaiv, ntau yam thiab cov txheej txheem txheej txheem los teeb tsa qhov tseeb qhuav- teeb meem thiab kev sim ua noj es tsis txhob siv ib tus lej rau txhua yam khoom.

Kho qhov txiav loj raws li kev faib tawm

Qhov nominal 10 los ntawm 10 millimeter dice tsis yog ib qho kev qhia tiav. Qhia qhov thib peb qhov kev tso cai, hauv -band feem pua, undersize, oversize, nyias slices, tapered pieces, crumbs thiab cov khoom tawg. Cov hauv paus hniav yog nkhaus, yog li qhov kawg daim thiab txiav nyob ze ntawm qhov chaw yuav tsum tau kho kom meej. Ib txoj haujlwm strip kuj xav tau cov chav kawm ntev thiab hla -section txwv.

Kho lub xeev ntsuas. Frozen pieces nqa Frost thiab tej zaum yuav nyuaj rau kev taw qhia; thawed pieces yuav soften thiab deform. Txhais cov qauv-lub sijhawm txias, ntsuas, kev taw qhia, kev sib hloov thiab seb qhov ntev npaum li cas tau ntsuas ua ntej lossis tom qab ua noj. Siv suav thaum pom qhov tsis sib xws tseem ceeb thiab qhov loj thaum raug nplua lossis loj dhau cuam tshuam rau cov qauv tsim tawm.

USDA khov qos yaj ywm cov qauv paub txog cov qauv thiab ntsuas qhov loj me, xim, qhov tsis xws luag thiab tus cwj pwm. Qib A yuav tsum muaj tsawg kawg yog 90 cov ntsiab lus thiab Qib B tsawg kawg yog 80 cov ntsiab lus nyob rau hauv qhov system. Tus qauv muab cov lus muaj txiaj ntsig zoo, tab sis tus neeg yuav khoom tseem xav tau cov qauv tiag tiag, kev ua siab ntev, qauv qauv thiab kev ua lag luam rau kev lag luam npaj.

    Piv txwv ua haujlwm:Ib tug processor ntsuas 500 khov txiv kab ntxwv qos yaj ywm cubes los ntawm kaum cartons. Daim ntawv cog lus txhais 10 mus rau 15 millimeters ntawm kev tswj qhov ntev, tsawg kawg yog 90% hauv band, tsis pub ntau tshaj 4% undersize thiab tsis ntau tshaj 4% oversize los ntawm suav. Cov qauv muaj 457 hauv-band pieces, 21 undersize, 15 oversize thiab 7 irregular fragments. Hauv -band yog 91.4%, undersize 4.2% thiab oversize 3.0%. Cov kev cai hauv -band thiab oversize dhau, tab sis undersize ua tsis tau los ntawm 0.2 feem pua ​​​​ntawm cov ntsiab lus; qhov ntau ua raws li txoj cai sib txawv kos npe es tsis yog nruab nrab rau hauv qhov tsis siv neeg hla.

Tshawb xyuas cov tails faib thiab cutter kos npe. Ib qho kev nce hauv nyias flakes tuaj yeem qhia tias cov hniav mob lossis cov hauv paus txav ntau dhau. Ntev wedges tuaj yeem los ntawm cov khoom siv tsis tu ncua lossis kev taw qhia tsis zoo. Cov ntsej muag ragged ua rau muaj kev puas tsuaj rau saum npoo thiab tuaj yeem ua rau thaw drip, browning thiab breakage. Sau tus qauv thiab tshuaj xyuas nws qhov laj thawj.

Rau kev xaiv ua ntej -steamed, qhovXMSD IQF steamed qos yaj ywm sivqhia txog 7 los ntawm 7 thiab 10 los ntawm 10 millimeter cov ntsiab lus sib tham. Kho lawv li nominal hom ntawv. Kev ua noj ua haus, kev tawg, qhov dej noo thiab qhov kawg daim ntawv thov kev ntxhib los mos tseem xav tau lawv tus kheej txwv.

Raw-Cov Khoom Siv Kho thiab Chilling tuaj yeem rov tshwm sim hauv cov khoom khov

UC Davis piav qhia txog cov qos yaj ywm tshiab tshiab zoo li du, ruaj khov, tsim nyog sib xws hauv cov duab thiab qhov loj me, tsis muaj kev raug mob txhua yam, nrog cov xim tev ntawm ntau yam. Nws cov npe zoo suav nrog av, cov hauv paus hniav, txiav, bruises, kev loj hlob tawg, lwj, kab thiab kab mob. Cov khoom tuaj no -cov hauv paus kev tshawb pom tuaj yeem dhau los ua kev poob qis, sab hauv kev hloov pauv, fiber ntau, qhov muag muag lossis pom qhov tsis xws luag tom qab tev thiab txiav.

Qos yaj ywm hauv paus yog chilling -sensitive ua ntej ua. UC Davis pom zoo kwv yees li ntawm 12.5 txog 15 ° C rau kev lag luam tshiab- hauv paus cia thiab ceeb toom tias qhov kub qis tuaj yeem ua rau lwj, sab hauv xim av, shriveling thiab siav "hardcore" defect. Tsis txhob cuam tshuam cov khoom nyoos no -cov hauv paus cia ntau yam nrog qhov yuav tsum tau rho tawm 18 degrees C lossis txias dua tom qab cov khoom tau ua tiav thiab khov.

Kev kho yog qhov chaw sov, ntub dej- kauj ruam kho rau cov hauv paus qoob loo, tsis ua noj. UC Davis piav qhia txog kev kho cov tawv nqaij puas ntawm qhov kub ntawm 25 txog 32 ° C hauv qab cov av noo siab rau ob peb hnub mus rau ib lub lis piam. Qhov kev pab cuam tsim nyog nyob ntawm cultivar, sau qoob thiab kev tswj chaw. Thov cov ntaub ntawv raw -cov ntaub ntawv tuav yog tias daim tawv nqaij puas, lwj lossis tawv nqaij tau cuam tshuam ntau ntau ua ntej.

USDA cov qhab nia ua tiav txheeb xyuas cov rot rot, dub rot, khov raug mob, scald, cork los yog lwm yam sab hauv discoloration, bruises, txiav, loj hlob tawg, pithiness, stringiness, kab puas thiab txhua yam puas. Tsim ib qho kev txiav- ntsej muag daim duab qauv los ntawm cov npe no. Cais cov khoom lwj lossis cov khoom txawv teb chaws los ntawm kev hloov kho kom zoo nkauj.

Tshawb xyuas teb lossis tau txais ntau, cultivar, sau hnub tim, kho, raw- khaws cia kub, ntxuav, tev poob, luas, sij hawm txiav thiab tuav tej yam kev mob. Lub freezer IQF ceev ceev khaws cov khoom xaiv thiab npaj; Nws tsis tuaj yeem thim rov qab raug mob, sab hauv rot lossis cov hauv paus tsis zoo uas twb muaj lawm.

Browning, Xim thiab Fiber xav tau txoj kev txhais

Txiav txim xim hauv lub xeev uas tseem ceeb. Frost lightens ib qho chaw khov, thawing hloov translucency thiab ua noj ua haus yuav ua rau cov txiv kab ntxwv lossis ntshav tones. Teem teeb pom kev zoo, keeb kwm yav dhau, qauv tuab thiab lub sijhawm soj ntsuam. Yog tias siv lub ntsuas ntsuas, ntsuas ntsuas qhov ntsuas, qhov chaw xim, qhov aperture thiab ntsuas txoj haujlwm. Tsis txhob muab piv rau tus nqi ntsuas nrog cov duab hauv xov tooj uas tswj tsis tau.

Cais cov xim cultivar ib txwm los ntawm enzymatic browning, chilling -txog sab hauv discoloration, scorching, oxidation thiab lub cev qhuav dej. Lub npe tsis xws luag los ntawm qhov chaw thiab qhov hnyav: qhov chaw greyness, cov ntaub so ntswg tsaus nti, qhov chaw dub, cov tub ntxhais daj ntseg, lub freezer - hlawv thaj tsam lossis ua kom tsaus ntuj. Teem suav, thaj tsam lossis qhov txwv loj thiab suav nrog txoj cai nce ntxiv rau cov ntaub so ntswg tsis paub tseeb.

Peeling, txiav thiab huab cua tuaj yeem pib browning ua ntej khov. Nug txog txoj kev tswj xyuas qhov tseeb: lub sij hawm los ntawm kev txiav mus rau kev kho mob, dej zoo, blanching los yog steaming qhov twg siv, pom zoo los tiv thaiv - cov tshuaj pleev xim rau, txias, kua thiab khov. Yog tias siv sulfites lossis lwm yam khoom siv uas tau tshaj tawm, lees paub qhov txwv qhov chaw thiab daim ntawv yuav tshwm sim.

Fiber yog cov txiaj ntsig ntawm daim ntawv thov, tsis yog qhov pom kev tsis zoo xwb. Khiav ib qho kev tswj ua noj thiab sau cov hlua, cov ntaub so ntswg tawv, zom cov seem thiab cov kua txiv hmab txiv ntoo smoothness. Ib lub voos xwmfab rau lub stew ntev tuaj yeem soften txaus thaum tib lub ntau tseem muaj fiber ntau rau tus menyuam - zaub mov puree. Txhais qhov kev xeem nyob ib ncig ntawm pab pawg neeg siv khoom tiag tiag thiab txheej txheem.

Rau txiv kab ntxwv- nqaij cov khoom, qhovXMSD khov liab qos yaj ywm sivtuaj yeem pib sib tham txog ntau yam, daim ntawv thiab xim. Kev pom zoo zaum kawg tseem xav tau cov qoob loo tiag tiag, cev nqaij daim tawv -xim ntau yam, cov khoom qhuav, kev ntxhib los mos, cov khoom xyaw thiab cov pov thawj tsis raug.

Ua cov khoom lag luam hauv cov neeg siv khoom tiag tiag

Txhim kho qhov khov, khoom siv, thauj khoom, ntxiv dej lossis roj, sijhawm, kub, ntxhov siab thiab tuav. Txhawm rau npaj- cov khoom noj mov, sim ua kom tiav cov ntses thiab khov -thaw- rov ua dua. Rau bakery filling, kuaj qab zib, rog, pH thiab ci. Rau puree, sau ua noj, milling npo, fiber ntau residue, viscosity thiab zoo yield. Rau fries, sau fryer los yog qhov cub tej yam kev mob, xim, crust, nruab nrab zoo nkauj thiab tuav.

Ntsuas kev ntxhib los mos ntawm lub sijhawm pom zoo tom qab ua noj. Cov khoom muag muag tuaj yeem ruaj khov thaum nws txias, thiab cov hlua khi tuaj yeem muag thaum lub sijhawm ua haujlwm. Siv qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas nrog cov qauv khaws cia lossis ntsuas ntsuas qhov chaw ua tau zoo. Cov ntaub ntawv tsis zoo, ntug tawg, nruab nrab hardness, mealiness, gumminess thiab fiber.

Rau kev txiav los yog ci, xim yog txheej txheem thiab kev nyab xeeb teeb liab nrog rau lub hom phiaj zoo li. FDA piav qhia tias acrylamide tuaj yeem tsim nyob rau hauv qee cov zaub mov cog thaum lub sijhawm siab - ua noj kub thiab feem ntau nce nrog ntev lossis kub kub. Nws txoj kev qhia cov qos yaj ywm pej xeem nyiam cov xim daj - daj es tsis yog xim av txiav cov qos yaj ywm. Qos yaj ywm muaj pes tsawg leeg yog sib txawv, yog li validate cov khoom tiag tiag thiab lo lus uas peb yuav tsum tau es tsis hloov cov qos yaj ywm raws li ib tug guaranteed pib.

Khiav cov replicates txaus kom nthuav tawm cov kev hloov pauv. Cov kab loj loj lossis cov kab tuab tuab tswj qhov chaw- lub sijhawm ua noj, thaum cov khoom me me tuaj yeem ua kom tsaus lossis tawg ua ntej. Sau ob qho tib si faib tails. Yog tias ib qho kev qhia tsis tuaj yeem ua rau cov khoom loj tshaj plaws thiab tiv thaiv qhov tsawg tshaj plaws, kho qhov kev txiav txim siab lossis cov khoom ua ntej pom zoo rau daim ntawv lo.

Suav ua noj los yog thaw tawm los ntawm tib lub hauv paus rau txhua tus neeg muag khoom. Txhais seb puas muaj dej khov dawb, dej saum npoo av, khaws cov ntses los yog cov roj kib. Khaws zaub mov-kev nyab xeeb tsis ua tiav, cov khoom seem tsis raug cai lossis cov khoom xyaw mislabeled sab nraum qhov sib npaug ntawm cov khoom; lawv xav tau lawv tus kheej ntau yam.

Xam Usable Yield los ntawm Daim Ntawv Thov

Tus nqi xa tuaj tuaj yeem zais cov dej khov, tev, tawm xim, cov ntaub so ntswg los yog tawv, tawm - ntawm - qhov loj me, tawg thiab ua noj ntau dhau. Tsim cov uas tsis yog- sib tshooj txiav tawm thiab siv tus neeg siv khoom txoj hauv kev tiag tiag. Ib tsob nroj puree tuaj yeem lees txais cov qauv hloov pauv tab sis tsis lees txais fiber ntau; ib lub khw muag khoom lub voos xwmfab tuaj yeem ua qhov sib txawv.

    Tswv yim piv txwv:Ib 1,000-kilogram IQF qos qos yaj ywm raug nqi USD 1,700 xa. Daim ntawv kos npe khov thiab daim ntawv thov kuaj pom pom 18 kilograms ntawm cov dej khov xoob, 35 kilograms ntawm tawm- ntawm- qhov loj me thiab nplua, 22 kilograms ntawm tev lossis cov ntaub so ntswg tsis zoo, 25 kilograms ntawm fibrous los yog tawv thiab 60 kilograms ntawm kev noj ntau dhau. Tsis muaj pawg raug txiav tawm ob zaug. Usable output yog 840 kilograms, yog li tus nqi yog USD 1,700 muab faib los ntawm 840, los yog txog USD 2.02 ib kilogram usable. Ib qho $ 1,790 muab yielding 920 kilograms tus nqi kwv yees li USD 1.95 ib kilogram siv tau thiab tej zaum yuav yog qhov kev xaiv ua lag luam zoo dua yog tias zaub mov-kev nyab xeeb thiab cov ntaub ntawv rooj vag kuj dhau.

Ntxiv tus nqi hloov pauv qhov twg nws hloov qhov kev xaiv. Ntau tev residue nce sorting. Kev txiav dav dav tuaj yeem cuam tshuam qhov kev faib tawm thiab nruab nrab ua noj. Lub cultivar qhuav yuav xav tau cov txheej txheem dej ntau dua hauv cov dej ntshiab tab sis muab cov khib nyiab zoo dua. Lub qhov cub ua kom zoo dua tuaj yeem txo lub sijhawm ua noj tab sis tsim kom tawg ntau dua hauv kev sib xyaw. Sau cov lag luam tawm - tawm es tsis txhob yuam txhua qhov tshwm sim rau hauv ib feem pua ​​​​ntawm qhov tsis xws luag.

Cov teeb meem qhuav, soluble solids, xim, txiav tis, tev, fiber ntau, free ice, siav yield thiab kev ntxhib los mos nyob rau hauv ntau cov qoob loo. Kev hloov pauv tseem ceeb yuav tsum ua rau muaj kev tshuaj xyuas ntau yam, sau qoob loo, kho, khaws cia, ua lub xeev, txiav los yog kev kho cua sov ua ntej xa khoom tom ntej.

Khoom noj khoom haus kev nyab xeeb, cov khoom xyaw thiab npaj siv yuav tsum sib phim

Freezing tsis sterilize qos yaj ywm qab zib. Txhais seb cov khoom puas yog nyoos, blanched, steamed, txwv tsis pub siav, npaj ua noj los yog npaj noj. FDA sau tseg tias cov kab mob tuaj yeem muaj sia nyob khov thiab qhov npaj tau - rau - ua noj cov zaub mov khov yuav tsum ua raws li cov lus qhia ua noj ua haus. Lub ntsej muag steamed tsis tsim kom npaj tau-rau- noj raws li txoj cai yam tsis muaj txheej txheem validation thiab tsim nyog ncej- tswj txheej txheem.

Teem cov kev cai microbiological los ntawm kab mob, txoj kev, qauv chav tsev, qauv qauv thiab ntau yam kev ua. Tshawb xyuas cov dej ntxuav, tev thiab txiav tu cev, kev kho cua sov, kev ua kom txias, kev saib xyuas ib puag ncig, khov, txawv teb chaws - khoom tswj, ntim thiab cia. Txhawm rau npaj-rau- noj raws li txoj cai, qhov chaw thiab cov khoom yuav tsum muaj kev tswj hwm thiab ib puag ncig zoo dua li cov khoom npaj rau kev ua noj ntxiv.

Tshawb xyuas txhua yam khoom muaj thiab kev pabcuam ua haujlwm. Plain IQF qos yaj ywm, steamed qos yaj ywm, seasoned fries thiab coated fries tuaj yeem nqa cov lus tshaj tawm sib txawv thiab ua xua. Tshawb xyuas cov kab sib koom, ntxuav, rov ua haujlwm dua, daim ntawv lo sib txuas lus thiab cov cai ntawm qhov chaw. Tsis txhob cia ib nplooj ntawv qeb duas hloov cov qauv tiag tiag thiab daim ntawv tso cai pom zoo.

Traceability yuav tsum txuas cov teb los yog tau txais ntau, cultivar, sau thiab kho cov ntaub ntawv raw, raw- khaws cia tej yam kev mob, ntxuav thiab tev khiav, txiav los yog chav kab, freezing batch, tshuaj xyuas, packing code, txias- khw txoj hauj lwm thiab cov khoom xa tuaj. Txheeb xyuas tus neeg tuav daim ntawv pov thawj, chaw nyob, cov khoom lag luam thiab siv tau rau txoj kev npaj.

Rau industrial filling, puree, bakery, npaj zaub mov thiab cov kev pab cuam zaub mov, covXMSD zaub mov- ua cov neeg yuav khoompab npaj daim ntawv thov, txiav, thermal xeev, pob thiab cov ntaub ntawv nkag. Peb tshuaj xyuas cov khoom lag luam thiab cov neeg koom tes- qhov chaw haum rau kev txiav txim los ntawm kev txiav txim es tsis yog xav tias txhua kab qos yaj ywm khov khov txhawb txhua lub khw.

Packing thiab Cold Chain Ua kom tiav qhov kev pom zoo

Cov tsuav me me, lub voos xwmfab thiab cov strips tsis muaj kev cuam tshuam zoo li qub. Xaiv cov zaub mov- qib liner lossis lub hnab muag khoom uas tsim nyog, foob thiab puncture tsis kam. Txhais lub qhov hnyav, lub taub hau, lub zog ntawm lub thawv thiab kaw. Cov thawv ntim ntau dhau tuaj yeem tsoo cov khoom muag muag, thaum lub zog ntau dhau tuaj yeem ua rau muaj kev sib tsoo thiab tawg ntawm qhov chaw.

Teem dawb - txoj cai ntws thiab dej khov. Ntsuas cov dej khov xoob, pawg pawg, feem pua ​​​​ntawm fused pieces thiab quab yuam xav tau los cais cov khoom. Frost tuaj yeem los ntawm qhov chaw khov, dej tsis zoo, kev sib tsoo los yog kub caij tsheb kauj vab; qhov ua rau thiab kev lag luam cuam tshuam txawv. Tshawb xyuas ntau lub thawv thiab pallet txoj haujlwm.

Codex ceev-cov qauv khov khov siv cov khoom siv kub ntawm qhov kub ntawm 18 degrees C los yog txias dua los ntawm cov hlua txias, raws li kev tso cai kam rau ua. Sau qhov chaw khaws cia thiab thauj khoom teeb tsa, chaw thau khoom, txoj haujlwm logger, tshuaj xyuas lub luag haujlwm, tso cai sib txawv thiab tau txais kev nqis tes ua. Ib qho kev nyeem saum npoo av tsis tuaj yeem tsim kho txoj hauv kev.

Cov ntaub ntawv pov thawj pom zoo tuaj yeem suav nrog kev kos npe tshwj xeeb, ntau yam thiab cov ntaub ntawv sau qoob loo, qhuav- teeb meem thiab soluble- cov khoom siv, cov ntaub ntawv txiav, cov lus qhia cov khoom, cov txheej txheem ntws, thermal- xeev thiab ua noj ua haus, cov ntsiab lus txaus ntshai, microbiological thiab residue cov phiaj xwm, chaw thiab cov ntaub ntawv pov thawj, cov ntaub ntawv tshwj xeeb, kev kos duab, thiab cov ntaub ntawv kub.

Siv Theem -Gated Frozen Sweet Potato Approval

Kaw tus kheej thiab txheej txheem xeev ua ntej muab piv rau tus nqi. Txiv kab ntxwv thiab ntshav, nyoos thiab steamed, tsuav thiab fries tsis yog ib yam khoom. Muab txhua lub rooj vag cov ntaub ntawv, tus tswv thiab ntau qhov kev txiav txim kom tus qauv zoo nkauj tsis dhau ntawm daim ntawv thov lossis kev txiav txim siab kev nyab xeeb.

1. Xauv tus kheej:Ipomoea batatas, cultivar los yog hom, keeb kwm, qoob loo, nqaij xim, tev txoj cai thiab cov khoom xyaw.
2. Xauv txheej txheem xeev:nyoos, blanched, steamed, pre-kib los yog lwm yam siav, ntxiv rau kev npaj siv thiab sau lo lus.
3. Teeb muaj pes tsawg leeg:qhuav-txoj kev teeb meem thiab qab zib, xim ntau yam, fiber ntau thiab sab hauv- cov ntsiab lus tsis raug.
4. Teeb tsa geometry:tsuav, lub voos xwmfab, chunks lossis strip qhov ntev, hauv -band faib, nplua, tawg thiab tev.
5. Validate daim ntawv thov:cov mis mos, ua noj, tuav, kev ntxhib los mos, browning, xim migration thiab usable tawm los.
6. Tshawb xyuas kev nyab xeeb thiab cov ntaub ntawv:microbiology, residues, cov khoom xyaw, sib koom kab, daim ntawv pov thawj, traceability thiab kev qhia ua noj.
7. Validate tus me nyuam:lub hnab kawg, thawv, pallet, txias-cov ntaub ntawv saw, tuaj txog thiab txee- lub neej sim.

Xa cov qos yaj ywm qab zib hom, nqaij xim, nqaij nyoos los yog siav, qhuav- teeb meem lub hom phiaj, txiav kev faib tawm, daim ntawv thov txoj kev, txwv tsis pub, pob, lo lus uas peb, xaj ntim thiab cov ntaub ntawv pov thawj. Peb tuaj yeem tshuaj xyuas cov khoom lag luam qos yaj ywm uas tsim nyog thiab cov neeg koom tes- txoj hauv kev ua ntej cov lus hais raug kho raws li qhov sib piv.

Cov lus nug nquag

Puas yog cov teeb meem qhuav dua ib txwm zoo dua rau cov qos yaj ywm khov khov?

Tsis yog. Cov teeb meem qhuav ntau dua tuaj yeem txhawb nqa qhov ua tau zoo los yog noj mov, thaum cov teeb meem qhuav qis tuaj yeem ua kom haum cov kua txiv hmab txiv ntoo los yog cov dej ntub dej. Pom zoo tus lej ntau nrog rau daim ntawv thov ua noj thiab lub hom phiaj kev ntxhib los mos.

Puas yog IQF nyoos thiab steamed IQF qos yaj ywm interchangeable?

Tsis yog Steaming hloov ua noj ua haus degree, kev ntxhib los mos, noo noo thiab cov neeg siv khoom npaj. Cov lus qhia tshwj xeeb thiab daim ntawv lo yuav tsum hais txog cov txheej txheem hauv lub xeev, npaj siv thiab siv tau cov lus qhia ua noj lossis rov ua kom sov.

Vim li cas cov qos yaj ywm khov khov muaj qhov chaw nyuaj tom qab ua noj?

Tej yam tshwm sim muaj xws li cultivar textures, oversized cuts, tsis txaus noj los yog txias raug mob nyob rau hauv raw- cag cia. Tshawb xyuas qhov loj tshaj plaws - daim ua noj, txiav kev faib tawm thiab cov ntaub ntawv nyoos- cov ntaub ntawv pov thawj ua ntej muab qhov laj thawj.

Yuav tsum Brix siv raws li cov qos yaj ywm qab zib specification?

Soluble - cov khoom nyeem nyeem tuaj yeem txhawb nqa kev tswj hwm, tab sis nws tsis zoo ib yam rau tag nrho cov suab thaj, cov teeb meem qhuav lossis hnov ​​qab qab zib. Txhim kho txoj kev rho tawm thiab ntxiv cov piam thaj profile thaum tsim los yog daim ntawv lo yuav tsum tau.

Steamed qos yaj ywm qab zib tuaj yeem noj yam tsis muaj kev ua noj ntxiv?

Tsis txhob txiav txim los ntawm qhov tsos. Npaj-rau- noj raws li txoj cai yuav tsum muaj cov txheej txheem validated, post- txheej txheem tswj, microbiological pov thawj thiab daim ntawv lo tsim nyog. Txwv tsis pub ua raws li cov lus qhia ua noj uas siv tau rau cov khoom tiag.

Cov ntaub ntawv

1. USDA Agricultural Marketing Service, Qos Qos Qos Qos Qos Qos thiab Cov Qauv. Varietal yam ntxwv, tsw, xim, loj uniformity, tsis xws luag, tus cwj pwm thiab qib moj khaum.
2. USDA Agricultural Marketing Service, Sweet Potatoes rau Dicing lossis Pulping Qib thiab Cov Qauv. Kev ruaj khov, rot, txias raug mob, sab hauv tsis muaj xim, stringiness thiab kev ua haujlwm -cov ntsiab lus tsis xws luag.
3. UC Davis Postharvest Research thiab Extension Center, Sweet Potato. Fresh-cov hauv paus zoo, kho, khaws cia kub, txias raug mob, sab hauv xim av thiab cov ntsiab lus lwj.
4. USDA Kev Tshawb Fawb Kev Ua Liaj Ua Teb, Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qos Qดร. Cultivar variation nyob rau hauv qhuav teeb meem thiab starch thiab industrial processing ntsiab lus.
5. Cov txiaj ntsig ntawm Chilling Injury ntawm Qos Qos Qos Qes Lub Cev, Ua Noj thiab Textural Properties. Cov phooj ywg tsis ntev los no- tau tshuaj xyuas cov pov thawj txuas kev raug mob chilling nrog kev ua noj thiab kev ntxhib los mos.
6. US Food and Drug Administration, Acrylamide. High -kub tsim, saib xyuas thiab tsis cuam tshuam cov kev taw qhia kev txo qis.
7. US Food and Drug Administration, Npaj-rau-Cook Food Safety. Cov kab mob muaj sia nyob thaum lub sij hawm khov thiab ua noj ua haus tau raug cai-cov ntsiab lus qhia.
8. Codex Alimentarius, Standard for Quick Frozen Vegetables, CXS 320-2015. Raw-khoom siv, ceev- khov, khoom- mob thiab txias- cov ntsiab cai saw.

    Tsis lees paub:Kab lus no muab cov khoom khov kho dav dav -Kev yuav khoom noj khoom haus thiab cov khoom lag luam- cov ntaub ntawv kev txhim kho, tsis yog kev kho mob, kev cai lij choj lossis txheej txheem- cov lus qhia siv tau. Lub hauv paus yog tus kheej, tsim qauv, npaj siv, khoom noj- tswj kev nyab xeeb, cov lus qhia ua noj, daim ntawv lo thiab ua raws li cov khoom siv tiag tiag, qhov chaw sib koom ua lag luam, lub khw muag khoom thiab daim ntawv thov.