茄子红外辐射干燥特性及色泽变化.pdf

《茄子红外辐射干燥特性及色泽变化.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、第28卷增刊22012年10月农业工程学报Tr锄sactionsofmeChineseSocietyofAgriculnlralEngineeringV01．28Supp．20ct．201229lI，ryingcharacteristicsandcolorchangesofinftareddryingeggplantZhangLiIil，2，WangXiangyou2，，．、，YuLon92，ZhangHaipen92(1．cDf蛔P矽E馏j，TP州豫劬砌彳∥fc“泐mf洳如啪咖踟f『孵l00083，酰砌口；2．SchoolccfAgricultHre锄dFoodEngi舶ering

2、，shdndong协ivers订y醇Technoto秽，Z{bo2ssQ49，Chin由Abstract：IIlordertoobtaindehydr吼edproductswithhighqualiIy，in厅areddryingineggplantsliceswereresearclIedatdiff．erenttempe豫tures，samp】emickllessesandheatingdistaIlces．11hedryingcharacteristicsa11dcolorchangesofeggplalltsliceswerestudiedus抽gmultipleregres

3、sion锄alysis．Twoquadr嘶cpolynomialequationswereobtainedtoevaluatetheeffectofdryingtempera￡ure，s跏pletllicl(1lessandheatingdistanceondryingtimeandtotalcolofdifI酹ence．ThecorreIationcoemcientsofthe帆oqua出aticpolynomialequationSwere0，9888and0．9703，fespecCively．nIeresultsindjcatedmatappropriatedryingpar

4、ameterg(d拶ingtemperatllre，samplethicknessandheatingdistaIlce)couldimproVedryingrate粕dmaimainedthecolorofeggplantslices．Energ)rconsumptionofin助地ddryingwas2．48MJ／垤with1kgwaterevaporaIed．Comparedwitllhotairdryin臣theenergyconsmnptionwassavedby22．7％．Keywords：in劬reddrying，temperatllre，quali哆conlrol，e

5、ggplantslices，dIyirlgtime，totalcolordiffbrencedoi：10．3969／i．issn．1002—6819．2012．z2．05lCLCnumber：S641，1Document∞de：AArticIeID：1002—6819(2012)一Supp．2一029l一06zhangLili，wangXiangyou，YruLon岛eta1．Dryingcharacteristicsandcolorchallgesofinnreddryingeggpl卸t明．TraIlsactionsoffhechinesesocietyofA鲥culturalE

6、ngineering(TransactionsofthecsAE)’2012，28(supp．2)：29l一296(inEnglishwithChineSeabs仃acI)张丽丽，王相友，遇龙，等．茄子红外辐射干燥特性及色泽变化[J】．农业工程学报，2012，28(增刊2)：291—296．0IntroductionEggplantis锄importaIltVegetableinAsianandMediterraneancoull仃ies，whichhasaver、，limitedshelf1ifcfor6旧sIllless．Dryingisanaltemativelymethodf

7、orlongstorageineggplant．Tllemostcommonishotair山ying，inwhichheatistransferredf．romthehotairtotheproductbyconvection，andevaporatedwateris仃ansportedtotheairalsobyconvection．InconvectivedrVing，resistancestotheheatandmasstransferareint