camembert

Hauj lwm

Camembert yog cov mos mos rog rog cov mis nyuj cheese nrog cov velvety dawb pwm crust thiab qab heev creamy saj.

Camembert yog suav hais tias yog ntau yam cheese: nws tuaj yeem ua rau nyias nyias hauv daim ntawv kub lossis txias, thiab nws kuj mus zoo nrog ntau yam khoom. Peb qhia rau koj tias vim li cas camembert muaj txiaj ntsig, leej twg yuav tsum tau ceev faj ntxiv nrog nws thiab noj dab tsi nrog.

Main yam ntxwv

Kev Sau thiab muaj cov ntsiab lus calories ntau

Zog tus nqi (100 g): 299 kcal.
Tus nqi khoom noj khoom haus (100 g) :) cov nqaijrog - 20 g, rog - 24 g, calcium, hlau, magnesium.
Cov vitamins thiab minerals: cov vitamins A, C, D.
Cia: thaum txog 8 ° C hauv lub thawv ntoo lossis parchment (tab sis tsis ntim hauv hnab lossis airtight thawv).

Keeb kwm

Cheeb Tsam Normandy (Fabkis).

Txoj kev ua noj

Cov kua mis tseem tau sov me ntsis, cov kab mob mesophilic, rennet ntxiv, thiab sab laug rau caws kom ntev li 1.5 teev. Npaj cov phom mos mos tso rau hauv cov pwm, cylindrical pwm, nyob rau hauv uas lawv hloov txhua txhua 6 teev kom lub khob whey thiab homogeneous pawg yog tsim .. Tom qab ib hnub, ib qho nyuaj ntawm pawg loj yog tsim, cov voj voos cheese yog salted, sprinkled nrog a daws ntawm pob muv fungi Penicillium camemberti, sab laug kom siav tsawg kawg yog 12-21 hnub. Txhawm rau kom tau txais cov khoom noj qab haus huv tshaj plaws hauv Camembert, nws khaws cia tsawg kawg 35 hnub.

Xim

Lub teeb cream rau tsaus cib.

Ripening lub sijhawm

12-35 hnub.

Saj thiab sib xws

Cov tub ntxhais hluas Camembert, ripening txog li 20 hnub, muaj qhov qab ntxiag tsw airy milky saj, ntau paub tab (tom qab 21 hnub ntawm kev siav) yog noo nrog cov puv, cov txiv hmab txiv ntoo tones nrog cov lus qhia txog mis nyuj, txiv ntoo, nceb, tshuaj ntsuab; Lub sib xws ntawm cov cheese yog khov, ywj, smeared nrog ib tug nyias daim nyias thiab fluffy pwm.

Keeb kwm ntawm Camembert cheese

Keeb kwm ntawm Camembert cheese yog txuam nrog lub npe ntawm Norman tus poj niam neeg pluag Marie Arel.

camembert

Raws li cov lus dab neeg, xyoo 1791, nws tau pab tus txiv plig los ntawm Bree, uas tau hem nrog guillotine, kom zais ntawm cov neeg tsim txom, nrog rau ntau tus tswvcuab ntawm cov txiv plig uas tawm tsam cov kev hloov pauv hloov uas tau coj ua tom qab ntawd hauv lub tebchaws.

Tau txais qhov chaw nyob ib ntus ntawm Marie Arel ua liaj ua teb ntawm txoj kev mus rau tebchaws Askiv, tus txiv plig, hauv kev ris txiaj, tau qhia rau tus poj niam ua haujlwm tsis pub lwm tus paub ua lub ntsej muag muag muag, ua cheese nrog tawv tawv - Brie. Raws li cov peev txheej, tus txiv plig lub npe yog Charles Jean Bonvost.

Nws tsis pub leejtwg paub tias ib qho ntawm "cov khoom xyaw" tseem ceeb ntawm cheese yog terroir - ib qho nyuaj ntawm cov xwm txheej ntuj cuam tshuam rau qhov zoo ntawm cov khoom kawg, suav nrog: thaj chaw muaj huab cua ntawm thaj av, zoo ntawm av, zaub uas nyuj tau noj. Tus hauj sam los sis poj niam tib neeg tsis lam ua siab ntev coj li no.

Txij li Normandy nyob rau sab qaum teb ntawm Ile-de-France (nws yog nyob rau thaj av no tias cheeb tsam Brie nyob muaj chaw), tom qab ntawd lub ntuj thiab huab cua muaj qhov txawv ntawm no. Feem ntau, Marie Arelle tsis ua tiav qhov kev luam tawm lub npe nrov ntawm brie cheese, txawm tias ua raws li daim ntawv qhia nruj los ntawm tus hauj sam.

Tab sis nws tau tsim hom tshiab ntawm cheese, uas niaj hnub no tau txiav txim siab ua tus kwv yau ntawm brie. Thaum xub thawj nws tau hu tsis muaj dab tsi tsawg dua li Norman cheese. Ntau pua xyoo, Camembert cheese daim ntawv qhia (raws li nws tau hais tom qab dubbed) tau ua tiav los ntawm tsev neeg Areles, nce kev yoog raws qhov tseeb hauv zos, kom txog thaum nws txaus siab rau qhov chaw ntawm Fabkis cov cheese phaj. Nov yog lo lus teb rau lo lus nug: Qhov sib txawv ntawm Camembert thiab Brie yog dab tsi?

camembert

Nthuav Camembert Keeb Kwm Cov Lus Tseeb

Xyoo 1863, Emperor Napoleon III tau saj cheese ntawm lub zos Camembert thiab tau txaus siab nrog cov khoom.

Tom qab qhov xwm txheej no, lub koob meej ntawm Norman cheese kis thoob plaws Fabkis, uas tau yuam cov tsev neeg Areles maj nrawm txhim kho ntau lawm thiab tsa cov lus nug yuav ua li cas thauj cov khoom thaum khaws cia nws cov khoom muaj nqi.

Thaum pib, quav nyab tau siv los thauj cov cheese. Kev nthuav dav hauv kev tshawb fawb thiab thev naus laus zis kuj tau koom tes ntxiv: kev tsim kho cov kev tsheb nqaj hlau ntawm Paris thiab cov cheeb tsam, uas tau pib nyob rau xyoo thib ob ntawm xyoo pua puv 19, tau nce nrawm ntawm kev xa khoom.

Tsuas yog rau teev ntawm txoj kev - thiab Camembert tau xa mus rau Paris los ntawm kev tsheb nqaj hlau, thaum khaws nws cov freshness thiab aroma vim qhov tseeb tau muab qhwv rau hauv quav nyab.

Lub sijhawm ntawd, qhov no yog lub caij tsheb thauj mus los tshaj plaws rau cov khoom lag luam muag muag; exporting nws txawv teb chaws yog tawm ntawm cov nqe lus nug.

Txawm li cas los xij, xyoo 1890, tus kws tsim khoom Eugene Riedel tau tsim cov thawv ntoo tshwj xeeb rau cov laj thawj no, nrog kev pab uas thauj mus ntev ntawm cov cheese tau muaj. Qhov no yog li cas saj ntawm Camembert los ua paub hauv Ntiaj Teb Tshiab.

Ntxiv mus, qhov no tau muab daim teb loj rau kev txhim kho kev lag luam tivthaiv kev lag luam: cov ntawv ci ci zoo nkauj tau muab tso rau ntawm cov cheese, uas cov khoom lag luam tau lees paub thoob ntiaj teb.

Camembert txiaj ntsig

camembert

Cov txiaj ntsig ntawm Camembert

Cov khoom yog nplua nuj nyob rau hauv cov amino acids, muaj cov vitamins B thiab tuav cov ntaub ntawv rau calcium thiab phosphorus qib. Peb tuaj yeem tham txog nws cov txiaj ntsig zoo rau cov hauv qab no ntawm peb txoj kev noj qab haus huv:

  1. Kev rov ua kom lub cev muaj zog: cheese yog qhov chaw ntawm cov protein ua kom tiav, sib npaug ntawm cov amino acid muaj pes tsawg leeg. Yog li ntawd, nws yog ib qho tseem ceeb tshwj xeeb tshaj yog nyob rau hauv kev noj haus ntawm cov neeg ncaws pob thiab cov neeg ntawm lub cev ua hauj lwm.
  2. Txhim kho cov pob txha thiab cov hniav. Tsis tsuas yog calcium nyob ntawm no, tab sis kuj tseem muaj cov tshuaj uas txhim kho nws txoj kev nqus - phosphorus thiab vitamin D. Xws li kev sib xyaw muaj txiaj ntsig yog qhov tseem ceeb rau cov neeg uas tsis muaj calcium - cov neeg tom qab pob txha pob txha thiab cov poj niam laus uas muaj kev pheej hmoo rau osteoporosis. Thiab cov pwm nyob rau hauv lub crust ntawm cheese muaj cov khoom uas tsim melamine - nws yog ib qho tseem ceeb rau cov hniav enamel thiab tiv thaiv kev loj hlob ntawm caries.
  3. Normalization ntawm digestion. Hauv kev tsim cov cheese, cov hom pwm thiab cov kab mob uas muaj txiaj ntsig zoo rau lub plab zom mov thiab tib neeg microflora tau koom nrog.
  4. Tiv thaiv daim tawv nqaij. Pwm pwm txhawb kev tsim cov melanin, uas tiv thaiv peb cov tawv nqaij los ntawm UV hluav taws xob - raws li, lovers ntawm Camembert yog me ntsis ntxiv tiv thaiv los ntawm tshav kub. Txawm hais tias, ntawm chav kawm, koj yuav tsum tsis txhob cia siab rau ib qho cheese, koj yuav tsum tiv thaiv koj tus kheej los ntawm lub hnub ci ntsa iab nrog cov cream tshwj xeeb.
  5. Txhawb zog metabolism. Vitamins ntawm pab pawg B nyob rau hauv muaj pes tsawg leeg ntawm cov khoom normalize metabolism thiab pab ua hauj lwm ntawm lub paj hlwb.
  6. Pab cov hlab plawv: ua tsaug rau cov poov tshuaj, uas tsis muaj lub plawv thiab cov hlab ntsha tsis tuaj yeem ua haujlwm li qub. Camembert pab txhawb rau normalization ntawm lub plawv dhia thiab siab.
  7. Kev sib xyaw ua ke ntawm cov vitamins, amino acids thiab cov zaub mov ua rau cov khoom lag luam muaj txiaj ntsig zoo rau kev tiv thaiv kab mob. Yog li ntawd, Camembert tau pom zoo rau tib neeg thaum lub sijhawm rov qab los ntawm ntau yam kab mob.

Nws yog ib qho tsim nyog ua kom tiav cov npe ntawm cov txiaj ntsig nrog qhov tseeb tias cov neeg nyiam ntawm cov rog rog tag nrho tau ua kom slimming, nquag nquag thiab muaj cov roj cholesterol tsawg. Ib txoj kev tshawb los ntawm University College Dublin convincingly proved tias rog tsis yog ib txwm muaj teeb meem. Raws li ib feem ntawm txoj kev tshawb fawb loj, cov kws tshaj lij tau sau tseg qhov tseeb tias cov neeg uas haus cov khoom noj muaj roj ntau thiab cov khoom siv cheese muaj zog dua thiab cov xov tooj ntawm tes, thiab qhov nruab nrab muaj lub cev qis dua. Kev ntsuas tau pom tias cov neeg uas muaj kev txhawj xeeb txog kev haus cov mis nyuj uas tsis muaj rog, hmoov tsis, pom qhov hnyav dua, muaj teeb meem ntau zaus nrog ntshav siab thiab qib roj cholesterol.

Ua mob thiab contraindications

Vim nws cov rog cov ntsiab lus, Camembert cheese tsis pom zoo rau cov neeg uas muaj kev tiv thaiv kev mob ntshav siab, cov ntshav siab cov ntshav dhau, thiab rog dhau.

Leej twg yuav tsum ceev faj nrog camembert

Cov cheese uas muaj pwm yuav tsum tsis txhob noj ntau ntau. Nws koob tshuaj txhua hnub rau tus neeg noj qab haus huv yog 50 grams. Yog tias koj noj qab nyob zoo thiab ua raws li tus qauv nruab nrab, ces yuav tsis muaj teeb meem. Tab sis muaj cov pab pawg tsis zoo ntawm cov neeg uas yuav tsum tau ceev faj txawm tias me me ntawm Camembert:

  1. Cov uas muaj teeb meem rau cov rog dhau yog cov neeg rog rog, kub siab thiab teeb meem nrog cov roj cholesterol.
  2. Cov neeg ua xua thiab cov neeg tsis haum rau penicillin. Tab sis rau cov neeg uas tsis muaj lactose intolerant, yuav tsis muaj kev phom sij - cov kws ua zaub mov noj qee zaum pom zoo Camembert rau lawv, vim nws cov ntsiab lus hauv cheese yog qhov tsis zoo.
  3. Cov neeg mob los ntawm cov kab mob fungal - pwm, yam tsawg kawg thaum lub caij exacerbations, tuaj yeem ua haujlwm raws li tus provocateur ntawm cov kab mob.
  4. Rau cov menyuam yaus thiab cov poj niam cev xeeb tub, cov khoom yuav tsis muaj txiaj ntsig, tab sis ua rau mob. Tom qab tag nrho, cov khoom siv raw hauv kev tsim cov pwm dawb ntawm cov tsoos Camembert tsis yog pasteurized. Qhov no txhais tau hais tias muaj kev pheej hmoo ntawm kev kis kab mob, listeriosis, uas ua rau muaj kev hem thawj rau cov poj niam cev xeeb tub thiab menyuam mos.

Yog tias koj koom nrog ib pawg ntawm cov pab pawg no, ces koj yuav tsum ntsuas qhov piv ntawm cov txiaj ntsig thiab kev puas tsuaj ntawm Camembert rau koj kev noj qab haus huv nrog koj tus kws kho mob. Qhov no yog qhov ua tau zoo tshaj plaws ua ntej koj suav nrog hauv koj cov zaub mov.

Qhov sib txawv tiag tiag ntawm Brie thiab Camembert yog dab tsi?

Yuav ua li cas noj Camembert

Nrog lub koob npe zoo tsim nyog raws li cov khoom lag luam zoo, Camembert's soft white cheese yog ntau yam cheese uas tuaj yeem noj tau ntau yam. Cov cheese qab no tuaj yeem noj ntawm nws tus kheej lossis ua cov khoom xyaw hauv cov tais kub thiab txias. Camembert qiv sophistication thiab chic rau txawm cov khoom yooj yim tshaj plaws.

Cov khoom qab, mos cheese zoo tagnrho rau huab cua txias. Txheeb ze rau ob peb lub txaj zoo nkauj ntawm cheese, zaum rov qab, lub teeb koj nyiam lub qhov cub (koj tuaj yeem siv hluav taws xob ib qho lossis taws tswm ciab) thiab npaj txhij rau kev txaus siab rau lub siab zoo nkauj ntawm Camembert los ntawm Zhukovka.

Camembert kev noj haus txoj cai

Camembert yuav tsum tsis txhob noj txias. Camembert tag nrho cov tsw, qab ntxiag zoo aroma thiab kua dej xwm yeem qhia tawm ntawm chav sov, yog li nws yuav tsum tsis txhob muab rau chilled.

Nws yog qhov zoo dua rau nws coj tawm, txiav nws thiab teem nws tseg rau tsawg kawg ib teev kom lub cheese muaj lub sijhawm kom sov so hauv qhov sov. Nyob rau hauv tsis muaj qhov yuav tsum tau koj tshwj xeeb kom sov lub cheese hauv lub microwave, yog li kom tsis txhob lwj qhov qab thiab tsis txhob rhuav tshem cov txiaj ntsig lactobacilli.

camembert

Tsis txhob txiav Camembert rau hauv cov hlais zoo li cov cheese nyuaj, tab sis rau hauv hlais zoo li ncuav mog qab zib. Tsis txhob hnov ​​qab tias qhov no yog qhov muag muag thiab muag heev uas tsuas yog tuav nws cov duab ua tsaug rau nws cov tawv tawv. Txhawm rau tiv thaiv cov tub ntxhais ntawm lub taub hau txhawm rau txhaws riam, nws raug nquahu kom tsau nws hauv dej kub ua ntej txiav. Nws yog qhov yooj yim tshaj plaws los txiav cov cheese ua ntej sov thiab tsis lo ntau rau riam.

Camembert lub kiav txhab yog li yam ua tau zoo li lub sam thiaj. Tsis txhob txiav nws thiab muab pov tseg. Tsis txhob ntshai cov daus-dawb lossis greyish txheej - qhov no yog tib yam penicillin pwm uas tau cawm ntau lab tus tib neeg hauv xyoo dhau los.

Dab tsi los noj nrog

camembert

Txij li thaum Camembert muaj lub ntsej muag zoo nkauj, piquant noj, txoj kev ua ib txwm muaj rau nws yog cov zaub mov txawv nrog cov khoom sib xyaw, piv txwv li, lub hnab ntim khoom tshiab nrog cov nqaij tawg yog zoo meej rau cheese. Txiav nws mus rau hauv cov nplais, drizzle maj mam nrog txiv ntseej roj thiab ua kom qhuav me ntsis hauv cov roj kib qhuav kom cov khob cij sov sov los ntawm lub sijhawm ua haujlwm.

Ntxiv nrog rau baguette, nws yog ib txwm ua ke nrog cheese nrog txiv ntseej thiab txiv hmab txiv ntoo lub caij nplooj zeeg - slices ntawm melon, txiv apples los yog pears. Koj tuaj yeem pab txiv hmab txiv ntoo thiab lwm yam qab zib berries rau nws, ncuav ib daim ntawm cheese nrog tshiab zib mu los yog me ntsis qaub berry jam. ilv thiab nyob rau tib lub sij hawm, pungent, creamy pulp nrog txhua yam ntawm cov khoom no tau txais tshiab flavors. Sim cov kev xaiv sib txawv los nrhiav kev sib xyaw ua ke uas haum rau koj.

Nws yog qhov zoo tshaj plaws rau haus Camembert nrog liab lossis rosé wine, uas tseem tuaj yeem ua kom sov me ntsis. Hauv qhov no, nws yog cov cawv uas tau txais kev pab nrog cov cheese, thiab tsis hloov pauv lwm tus.

Laus Camembert

camembert

Raws li koj paub, qhov sib xws ntawm Camembert nyob ntawm nws cov neeg kawm tiav. Muaj txiav lub taub hau ntawm cov tub ntxhais hluas tshij, koj yuav pom sab hauv ntawm cov tub ntxhais uas tuab heev, uas tsuas yog ntawm qhov sawv, ze rau ntawm nws tus kheej, nws nyob ib puag ncig los ntawm txheej kua. Ib nrab ntawm ib nrab-siav lub tshij muaj qhov ua kua ib puag ncig ib puag ncig tuab. Qij siav siav yog ib qho ua kom qhuav, sab hauv yog cov intoxicatingly uas muaj ntxhiab ntws tub ntxhais.

Hauv lub xeev ntawm kev loj hlob tag nrho, Camembert khaws cia tsuas yog ob peb hnub, tom qab ntawd pib poob qis. Yog li ntawd, yog tias koj tau yuav cov cheese ntawm no qib ntawm kev paub tab, koj yuav tsum noj nws sai li sai tau. Ntxiv mus, siab siav cheese yog qhov tseem ceeb tshaj plaws, vim tias nws muaj qhov tshwj xeeb siab ntawm lactobacilli pab tau rau lub plab.

Yog li, yog tias koj yuav ib lub Camembert uas siav lawm, muab tso rau ntawm lub tais thiab tos rau cheese kom sov. Hauv lub sijhawm, npaj cov croutons, txiav thiab skewer ntawm cov txiv hmab txiv ntoo. Tom qab ntawd nrog rab riam ntse, qhib cov khaub noom sab saum toj ntawm lub taub hau tshij, zoo li lub kaus poom, tshem tawm thiab cais tawm mus. Diav Camembert nrog ib rab diav, dip croutons lossis txiv hmab txiv ntoo ntawm cov pob kws skewers hauv nws thiab txaus siab rau qhov tsis nyiam tshwj xeeb.

Siv ua noj

Camembert muab lub tsw qab rau cov tais diav uas yav dhau los feem ntau nyiam. Ib qho zaub mov twg yuav ci nrog duab ci tshiab thaum siv cov khoom xyaw no.

Canape nrog Camembert

camembert

Txoj kev yooj yim thiab zoo nkauj tshaj plaws los pab cheese rau lub rooj yog ua ntau lub pob me me nrog cov txiv ntoo lossis txiv hmab txiv ntoo, uas yog "rau ib qho tom."

Qhov no yog qhov kev xaiv ntau yam uas tso cai rau txhua tus kom nyiam saj ntawm cheese - thiab txawm tias cov uas ib txwm tau ceev faj ntawm ntau yam nrog pwm.

Cov khoom xyaw rau Camembert Canapes:

Camembert thiab kas fes

Hauv Fab Kis, Camembert feem ntau nrog khob kas fes muaj zog, thiab nws tsis zoo li niaj zaus. Lub hauv paus ua kua ntawm cov cheese tau tawg nrog rab diav thiab muab tso rau hauv kas fes, nplawm kom txog thaum nws yaj tag. Los ntawm seem crust thiab crispy croissant, ua ib qho qhaub cij, uas tau ntxuav nrog cappuccino. Qhov no ua rau rau kev noj tshais zoo, sau thiab qab tib lub sijhawm.

Ci Camembert

camembert

Cov nplua nuj saj thiab tsw qab ntawm Camembert yog qhov zoo heev uas lawv ua rau nws muaj cov khoom txaus nyiam hauv ntau lub tais. Nws tau ntxiv rau pies thiab pizza raws li kev ntim, rau cov kua zaub - raws li hnav khaub ncaws; thawj cov zaub xam lav thiab khoom noj txom ncauj tau npaj ua ntej. Tab sis feem ntau Camembert tsuas yog ci hauv qhov cub, seasoned nrog qej thiab tshuaj ntsuab.

Los npaj cov zaub mov no koj yuav xav tau:

Ua noj ua haus

  1. Tig lub qhov cub ua ntej, teeb tsa kom sov li 180 ° C. Lub sijhawm, tshem tawm cov tshij ntawm qhov ntim, ua tib zoo txiav lub ntsej muag sab saum toj tawm ntawm lub taub hau thiab teeb ib sab.
  2. Ntub ob sab thiab hauv qab ntawm ib qho tsim nyog nyob hauv saucepan nrog roj, tso ib lub voj voog ntawm oiled parchment rau hauv qab thiab qis dua qhib lub taub hau muaj.
  3. Txiav ib qho caws ntawm qej rau hauv cov hlais me me thiab muab cov khoom ntawd tso rau hauv cov cheese siv cov taub ntawm rab riam. Tom qab ntawd ua tib yam nrog ntsim tshuaj ntsuab, yav dhau los disassembled rau hauv ceg me me.
  4. Qos kua txob cov txuj ci tau npaj rau koj qhov uas koj nyiam, ua kom poob nrog txiv roj roj thiab qhov chaw hauv qhov cub. Ci rau li nees nkaum feeb, kom txog thaum lub txheej kub tawv tawv saum cov nplaim.
  5. Tshem tawm cov cheese los ntawm qhov cub, tos 5-10 feeb thiab ua haujlwm kom txog thaum lub tais tau txias. Sab saum toj nrog cov txiv ntseej, hnub tim, candied cranberries, lossis lwm yam txiv hmab txiv ntoo.

Camembert cheese zaub xam lav

camembert

Zaub xam lav yog cov zaub mov yooj yim thiab noj qab haus huv uas ib txwm tsim nyog ntawm lub rooj (nws suab zoo dua rau lub rooj). Zaub xam lav tshiab, lub teeb thiab qab heev yuav ua tiav txhua hnub so lossis tsev neeg noj hmo. Ntxiv nrog rau cov khoom tseem ceeb hauv daim ntawv qhia, koj tuaj yeem siv cov zaub ntsuab (arugula, iceberg, khov nab kuab lossis pob kws), avocado thiab pear. Cov txheej txheem hnav khaub ncaws zoo tshaj plaws ua rau saj ntawm cov tshuaj ntsuab thiab cheese.

Yuav tsum muaj cov khoom xyaw:

Tev thiab txiav cov avocado. Kho nrog txiv qaub kua txiv. Npaj lub pear - tshem tawm ntawm daim tawv nqaij thiab cov tub ntxhais, txiav cov pulp mus rau hauv nyias ib daim hlab thiab sprinkle nrog txiv qaub kua txiv. Txiav cov tshij rau hauv cov thawv txog 1 × 1 cm. Sib tov tag nrho cov khoom xyaw rau hauv ib lub tais tob. Ntxiv cov zaub ntsuab rau qhov npaj zaub xam lav, tom qab tu nws dua nrog koj txhais tes.

Qhov qab, zoo nkauj thiab noj qab haus huv npaj yog npaj txhij!

Sau ntawv cia Ncua