资源描述：
《食品科学导论整理试题.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、introductiontofoodsciencetest一、Fillinblanks1、Thankstofoodscienceandtechnologyandmodernfoodmanufacturingmethods,nutritionaldeficienciesandinconsistentfoodavailabilitycanbeaddressed,harvestscanbeprotected,andvariouscommoditiescanbetransformedintonewproductshavingspecificnutrientsforbetterhealthandw
2、ellness2、Themaincomponentsinmuscleare.MoistureProtein.Fat3、.themajorFactorsforfruitandvegetabledeteriorationare:①EnzymaticChanges;②ChemicalChanges;③PhysicalChanges;④BiologicalChanges4、Enzymaticbrowningisusuallyundesirablewhenitoccursinfoodssuchasapples,pears,lettuce（莴苣,生菜）,potatoes,etc.5、Sensoryq
3、ualityoffruitandvegetablewillbechangedchemicallyforlipidoxidation;non-enzymaticbrowning;colourchanges;flavourchanges.6、Thefourmajorfactorswhichaffectfruitandvegetablenutrientdegradationarelight,oxygenconcentration,temperatureandwateractivity.7、LeaveningAgentsusedtoproducegasinbattersthatmakebaked
4、productsrisearesteam,yeastandbakingsodaandpowder8、inbreadprocess,thedoughshouldbeavoidofoverfermentation,ifnot,itwillmakecausegluenstretch,becomeweakandcollapse,whilecoarsegrain&sourodorduetoexcessacidproductionandlesscolorinbakedcrust面包皮;糕饼等的酥皮9、Milkisthefirstfoodofyoungmammals.Itprovidesahigh-q
5、ualityprotein,asourceofenergy,andvitaminsandminerals.10、Carbohydratesarechainsofrepeatingmoleculesofglucoseandothersugars.11、Proteinsaremadeupofchainsofaminoacids.Therearedifferentaminoacidsinaprotein.12、Fatsaremadeupoflipids.Alipidhasastructureofthreefattyacidsmoleculesandaglycerol(甘油,丙三醇)molecu
6、le.13、Apeptidebondisachemicalbondformedbetweentwomoleculeswhenthecarboxylgroupofonemoleculereactswiththeaminegroupoftheothermolecule,therebyreleasingamoleculeofwater.14、ProteinhasaverybigMW（molecularweight）,thusitcanformhydrophiliccolloidwhileproteinisdissolvedinwater;15、Carbohydratesincludemonos
7、accharides;disaccharides;oligosaccharidesandpolysaccardies16、NaturalStarchconformationisthemixtureofamyloseandamylopectin17、Vitaminsareclassifiedbytheirbiologicalandchemicalactivity,nottheirstructure.18、Vitamindividedb
