不同海水濃度灌溉對菊芋主要成分的影響.pdf

1、大連理工大學碩士學位論文不同海水濃度灌溉對菊芋主要成分的影響姓名：楊洪澤申請學位級別：碩士專業(yè)：生物化工指導教師：王長海20060601至旦查查墮鏖堂型塹芏圭墨型塑墅墮DeterminationofIngredientsinJerusalemArtichokeIrrigatedbyVariousConcentrationofSeawaterAbstractNowadays，JemsNemArtichokeiswideusedastimc

2、tionfoodandnewenergySOHrCesThepaperpreferstostudyingJAirrigatedbyvariousconcentrationofseawater，anddevelopingagricultureFoursamplesofJAhavebeenirrigatedbyvariousconcentrationofseawaterandharvestedthetubersindifierentyear

3、s(harvestedin2003，irrigatedby50％seawater；harvestedin2004，irrigatedbyO％seawater25％seawaterand50％seawaterrespectively)WetcontentwasassayedbydirectlydriedFatcontentwasdonebysoxhletextractorexperimentstheVCcontentwasusedthe2

4、6dichlofindophenoltoproceedtitratienReducingsugarswereassayedbyusingthedinitrosalicylate(DNS)method；totalsugarsweredeterminedbythesamemethodafterhydrolysisThenthecontentsoftraceelementswasdeterminatedbyAASTheresultsshowt

5、hatAASmethodisrapidwithgoodprecisionandaccuracyCorrelationcoefficientswereO9971O9997nleresultssuggestthatJAcontainsmuchmoreK，Mg，Na，speciallytheratioofKtoNaisveryhigh，andthecontentorderisKMgNaFeNiZnCuMnwithPbCrandCdbeingc

6、ontained10wInadditionsometraceelementshavedifkrenceinvariousJAsoitconcludesthattheconcentrationofseawaterhaseffect0ntraceelementsInulinwasobtainedfromthreesamplesofJerusalemArtichokebyhotwaterextractionThesampleshadbeeni

7、rrigatedbyO％25％and50％concentrationofseawaterandthetuberswereharvestedin2004Theeffectsofextractiontheratioofsolidtoliquorandextractiontemperaturewerestudiedand血etechnologicalparameteroftheextractionwasdeterminedbyorthogon