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Kutheni ezinye iiwayini zimuncu kwaye zine-astringent?

Umuncu kunye ne-astringent ziindidi ezimbini zencasa kwiwayini.Iasidi ivela kwizinto zeasidi ephilayo ekwiwayini, ngelixa incasa yeastringent iphuma kwitannins ezise wayinini.

1. Kutheni iwayini imuncu?

Ubumuncu bewayini buvela kwiintlobo ngeentlobo zeasidi zendalo kwiwayini, kubandakanywa iiasidi zendalo ezifana neTartaric Acid kunye neMalic Acid, ezicaphukisa kakhulu, kunye neSuccinic Acid kunye neCitric Acid (Succinic Acid) Citric Acid), kunye neasidi ethambileyo yelactic ( I-Lactic Acid).

Zeziphi izinto ezichaphazela ubumuncu bewayini?

Izinga le asidi ye wayini lichatshazelwa ziimpawu zodidi lomdiliya we wayini, imozulu yendawo yemveliso kunye nenkqubo yokwenziwa kwebhiya.Iwayini ezenziwe ngeentlobo ezahlukeneyo zediliya zine asidi ezohlukeneyo.Ke ngoko, abathengi kufuneka bakhethe iwayini ezineasidi ezohlukeneyo ngokwencasa zabo xa bethenga iwayini.Umzekelo, phakathi kweentlobo zediliya ezimhlophe, iRiesling, iChenin Blanc kunye neSauvignon Blanc zineasidi ephezulu, ngelixa iViognier kunye neGewurztraminer zineasidi esezantsi;, Iindidi zediliya ezibomvu zaseItali ezifana neNebbiolo okanye iBarbera ziphezulu kakhulu kwiasidi, logama iindidi zediliya ezisuka kwindawo ezishushu ezifana neGrenache zineasidi encinci kakhulu.

 

 

Imozulu yendawo ekulinywa kuyo iidiliya ikwachaphazela ubumuncu bewayini eyivelisayo.Thatha iChardonnay njengomzekelo.Iwayini ezisuka kwimozulu epholileyo iBurgundy Chablis zikholisa ukuba neasidi epholileyo, ekrwada, ngelixa iwayini ezisuka kwimozulu eshushu yaseCalifornia zineasidi encinci.zisezantsi kwaye zithambe.

Ukongeza kwezi zinto zendalo zingentla, izinga le asidi ye wayini likwanxulumene nenkqubo yokwenza iwayini.Ukuba umenzi wewayini usebenzisa i-malolactic fermentation (I-Malolactic Fermentation), i-malic acid ebukhali ekwiwayini iyakuguqulwa ibe yi-lactic acid ethambileyo, kwaye ne-asidi iyonke yewayini nayo iyakwehla.

Iasidi, yintoni indima ebalulekileyo?

Iasidi ngumphefumlo wewayini, eyenza ukuba iwayini nganye ibonise ukomelela olomeleleyo.Okokuqala, i-asidi inokugcina kwaye inqanda ibhaktheriya, kwaye ixhase ukuguga kwewayini;kufana ne-preservative, enokunciphisa izinga le-oxidation yewayini, ibhalansi i-microbiome, inqanda ukukhula kweebhaktheriya ezinobungozi, kwaye ngaloo ndlela incede ukuguga.

 

 

Okwesibini, iasidi inokulinganisa incasa;ukuba iasidi iphantsi kakhulu, iwayini iya kuba yimonotonous kwaye iyadika, kwaye ukuba i-asidi iphezulu kakhulu, iya kugubungela incasa kunye nokwakheka kwewayini, yenza incasa yewayini ibe bukhali kakhulu, kwaye iasidi efanelekileyo inokuzisa ukutsha. nobumnandi ewayinini.Ikwavuselela ingca yokungcamla ukuba ube namava ngcono ukumila kunye nencasa yewayini.

Ekugqibeleni, iasidi nayo igcina umbala wewayini ebomvu;ngokubanzi, i-acidity ephezulu yewayini, umbala uzinzile kwaye umbala obomvu unzulu.

2. Ukuxhatshazwa kwiwayini

Ekubeni iwayini yenziwe ngomdiliya okanye ijusi yomdiliya, i-tannins ekwiwayini nayo idibene nesiqhamo somdiliya ngokwawo.Kulungile, i-tannin yi-metabolite yesibini ekhoyo ngokubanzi ekubunjweni kwezityalo (izikhumba zeediliya, imbewu yomdiliya, iziqu zeediliya, njl.).

I-metabolites ebizwa ngokuba yi-metabolites yesibini ibhekisela kwezinye izinto eziphathekayo ezingafunekiyo ekusindeni okanye ekuphuhliseni izityalo, kodwa ziyimveliso ejongene noxinzelelo lwangaphandle lwendalo, uninzi lwazo lunempembelelo yokukhusela kwisityalo ngokwaso.Esi siphumo sibonakaliswa kwi-tannins, enokuthi ibhekiselele kwiipropati zabo zokulwa ne-antibacterial kunye ne-antioxidant, kwaye ibe nefuthe elithile le-biological inhibitory kwizilwanyana ezincinci ezihlukumeza izityalo.

Ukuba akukho tannins kwiwayini

I-astringency eziswa yiwayini emlonyeni ubukhulu becala ibangelwa yi-tannins, kwaye le ntlungu idla ngokuvusa olunye uhlobo lonxulumano lokungcamla—ubukrakra.Kuba i-substance ayivakali kakuhle, kutheni ungavele ususe zonke iitannins kwiwayini?Oku kungenxa yokuba ukulibaziseka kwe-oxidative ye-tannins kudlala indima ebalulekileyo kwisakhono sewayini sokuguga.Ibhotile yewayini ebomvu ekumgangatho ophezulu eneetannins zendalo ngokuhambelanayo inokungena ngokuthe ngcembe elona xesha lilungileyo lokusela emva kweminyaka emininzi okanye amashumi eminyaka.

Enyanisweni, ukuba awuyithandi iwayini ebomvu ye-astringent ene-tannins, unokukhetha ukusela iwayini emhlophe.Kuba kwinkqubo yokwenziwa kwewayini emhlophe, abenzi bewayini baya kukhetha ukusetyenzwa kwewayini ethandwayo ngabantu abangaqhelananga newayini ebomvu-kuqala isixovulelo kunye nesihluzo kwaye emva koko bayabila, oko kukuthi, phantse basebenzise ngokupheleleyo izakhi zomdiliya ezityiwa ngabantu. ukubila ewayinini.

 

ndiyayixabisa i-tannins

Ngokungafaniyo nenkqubo yokwenziwa kwewayini emhlophe, incindi enezixhobo ezinxilisayo iyakhanywa emva kokuba ukubiliswa kugqityiwe ngexesha lokwenziwa kwewayini ebomvu.I-maceration ngexesha lokuvundiswa kwesikhumba ikhupha i-tannins esikhumbeni ukuya kwijusi, kunye ne-pigments enika iwayini umbala wayo obomvu.Nangona i-tannin iyinxalenye yencasa ekufuneka ilungelelaniswe nabantu abangenalo isiko lokusela iwayini ebomvu, kodwa kubantu abasela iwayini ebomvu rhoqo, le nto ingenabungozi, engenabungozi kwaye inempilo ye-antioxidant ye-organic component iyisithako esibalulekileyo sokwenza oku. isiselo somdiliya.Umgaqo-nkqubo usekiwe, oko kukuthi, ukuxabisa incasa akufuneki kuphelele nje ekuyonwabeleni ngoko nangoko kwisidlo.Kwinqanaba elihlaziyiweyo, i-tannins iphinda izise emlonyeni uhlobo lokuxhathisa olumele ikamva kwaye luhlala ixesha elide-emva kwe-oxidation ecothayo kunye ne-fusion, incasa eya kuphuculwa ukuya kwinqanaba eliphezulu isenokulindelwa.

Ukongeza kumxholo kunye nenqanaba le-tannin ngokwayo, nokuba i-tannin iyahambelana namanye amacandelo e-wiine ikwaluphawu olubaluleke kakhulu lokugweba ixabiso le-tannin.Ngokomzekelo, ibhalansi phakathi kwe-tannins kunye ne-asidi ibaluleke kakhulu.Isiqulatho setannin sewayini ebomvu kufuneka silingane ngokuthe ngqo neasidi ye wayini, kwaye kufuneka kubekho iziqhamo ezaneleyo zokuyixhasa, ukuze ifikeleleke ngokugqibeleleyo.

Kutheni ezinye iiwayini zimuncu kwaye zine-astringent


Ixesha lokuposa: Mar-13-2023