啤酒生產(chǎn)過程中新鮮度控制.pdf

1、華中農(nóng)業(yè)大學(xué)碩士學(xué)位論文啤酒生產(chǎn)過程中新鮮度控制姓名：夏煒申請學(xué)位級別：碩士專業(yè)：農(nóng)業(yè)推廣生物技術(shù)指導(dǎo)教師：梁運(yùn)祥20060601華中農(nóng)業(yè)大學(xué)碩士學(xué)位論文BeerFreshnessControlAbstractAtlast20years，ChineseBeervolumeke印ahigllincreasingrateSince2002ChinawasasthebiggestbeerproductionandsaleMarketingin

2、WorldwideButChineseconsumersalsostarttobeawareoftheimportanceofFreshtastebeerBeerdrinkabilityandbeerfreshnesscanbringBrandCompetitiveAdvantageMoreandmorebeermakerspushedOUttheir“DraftBeer’or“LightBeer’togetmoremarketings

3、hare11他freshnessmeansnoorlessoxidationorstalingforbeerThebeeroxidationwillreducebeerfreshnessanddrinkability。specialtolightbeerWeusedprocessobservationsandcomparingtastebyBrewMasterteamtofindoutaFreshnessworklistFreshbee

4、rismoredrinkableFull，crisp，slightsweetandcleanbeercallbeflavoredbymoreeonsumel甚Ontheoppositeconditionpeoplewillnotlikethestaling，lingeringbitterharshandpaperybeerifthebeercouldnotbetreatedwell(withmorehightemperatureheat

5、ing&longtermstorage)inproductionstorageandshippingCurrentlymoreChinesebreweriesstartedtopayattentiontofreshnesscontr01SomebreweriespurchasedandinstalledthefillingmachinefromKHS&Kronesnemachinesetupthelatesttechnologywith

6、2timesvaeeumtoeliminateairinbottlesandcontrolpackagetotaloxygenOtherbreweriesupgradedtheirequipmentsinbrewhouseandbeerfiltrationtoeontrolbeerfreshnessOurworkfocusedonthefactorsrelatedtobeerfreshnessandproductionprocessob

7、servationandimprovementDissolvedoxygencontrol：MoreoxidationwillbewithmorestalingHighDOwillfollowmoreoxidationTobeerproductionprocessfromrawmaterialtopackaging，wefocusedoncriticalprocesscontrolpoints’observationandimprove

8、mentAndweaimworkedoutaworkIistforBreweriesuseS02concentrationcontrol：SulfarymayproducesomebadodorlikeburstmatchandgrainyWetookrelatedcomparisontobeertastewithdifferentconcentrationS02AndwealSOshowedagoodwayteduceS02inbee

9、rTemperaturecontrolinpasteurizerandstorage&shipping：HightemperaturecallresultinoxidationrapidlyWefocusedontheprocessobservationandworkedoutacontrolspeeforpasteurizationandbeerstorageandshippingThroughtheresearchworkofbee

10、rfreshnesstopic，wemadeoutthecriticalprocesscontrolpointspecificationswhichincludebrewingmaterial，brewhnuse，fermentationfiltrationpackagingwarehouseandshippingprocessAnhenserBuschWuhanbreweryspentalmost2yearstoachievethis