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2220143671112211.4500012.4500018010。5F1、F2、F3、F4、F589.508%。F5。TS213.2+4A1007-7561201403-0067-05ApplicationofprincipalcomponentanalysisintexturequalityevaluationofdriednoodlesWANGLi-yang1CHENJie1LVYing-guo1SHIDeng-hua2HUANGXiang-ping2LIXue-qin11.CollegeofFoodScienceandEngineeringHenanUniversityofTechnologyZhengzhouHenan4500012.BaixiangFoodLimitedLiabilityCompanyZhengzhouHenan450001AbstractEightywheatfloursamplesfromdifferentregionsofChinawereprocessedtodriednoodlesand10textureparameterswerestudiedbyprincipalcomponentanalysismethodforcomprehensiveevaluationofnoodlequality.FiveprincipalcomponentsF1F2F3F4andF5wereselectedtoconstructaneval-uationmodelwhicheffectivelyretainedmostinformation89.508%abouttheindexes.Thecompre-hensiveevaluationmethodofthescoreofprincipalcomponentfactorwasvalidatedbysensoryscore.EachprincipalcomponentandthetotalscoreofprincipalcomponentfactorFwereverysignificantlycorrelatedtothetotalsensoryscoreofnoodlesrespectively.Thefiveprincipalcomponentscanbeusedtocompre-hensivelyevaluatethetexturequalityofdriednoodles.Keywordsprincipalcomponentanalysisdriednoodletextureevaluation2013-12-182012BAD37B04121PZDGG3001965.1963.、、。30%。、、、、、350t。《》。。。1。2。、、。3。。。4。5TPA、、222014368、。6。、、7-8、。4-6、。principalcomponentsanalysisPCA。、、9-1112。。。11.11.1.19801。。164、12、22、58、20、1、22、02-1、366、18、16、70-36、9023、981、9718、97966、22、32、6172、20、99、21、19、2、21、11、14158、20、14、13、13、39、58、18、16936、5、2、47、49148、48、12、999、22-3、9871、2611、8911、757、889、35、54、6、14、47、48、22、3517、1388、、、408311、15、398、26、17、11、6、18、12、18、27、22、201.1.2MLU-202TA.XT.plusStableMicroSystemLtdUK。1.21.2.1GB/T20571—200613。1.2.2200g1%30%15min30℃。15min。3mm2.4mm、1.7mm、1.3mm、1.1mm、1.0mm。3.0mm100cm。、、2。。2/%/℃/h90250.575400.570403702511.2.32015cm500mL。3min30s。1.2.4LS/T3202—1993《》100。、、、、5。2220143698515202525。1.2.51.2.5.1AACC16-50510cm1minA/LKB-F。1mm/s0.8mm/s5mm/s100%5g。3。1.2.5.2TPA310cm1minSMSP/35TPA。1mm/s5mm/s5mm/s75%5g。3。1.2.5.3A/SPR-540cm1min。5。1mm/s3mm/s5mm/s40mm5g。1.2.5.4A/SFR-15cm。5。0.5mm/s1mm/s5mm/s27mm5g。1.2.5.515cm5。0.5mm/s1mm/s5mm/s40mm5g。1.2.6ExcelSPSS17.0。22.1、、3。、TPA、、、10TPA、、10%、20%TPA29.06%。3/%/g572.40110.83342.6850.019.36TPA/g2391.27265.401585.93107.111.10TPA-52.3015.20-126.79-29.0429.06TPA0.900.040.780.954.46TPA0.640.020.560.693.69TPA1525.32178.961034.71940.311.73TPA0.300.030.230.369.37/g24.653.0315.4430.5512.28/g171.1232.33102.64244.2518.89/g26.364.4119.4143.3916.754TPATPATPATPATPATPA1TPA0.2091TPA-0.066-0.385**1TPA0.406**-0.332**0.0941TPA0.604**-0.0090.1240.674**1TPA0.388**0.950**-0.325**-0.1050.302**1TPA0.507**0.0630.400**0.545**0.818**0.317**10.613**0.278*-0.0080.225*0.482**0.414**0.448**10.464**0.137-0.1880.292**0.442**0.267*0.1900.464**10.361**0.207-0.366**-0.0070.1430.241*-0.0200.300**0.571**1*P<0.05**P<0.01。4TPA、、、、、TPATPA、、、、、、。222014370。。2.22.2.1KMOBartlett's。SPSS17.05。5KMOBartlett'sKaiser-Meyer-OlkinBartlett'sx2dfSig.0.604913.121450.000KMO0.5~1.00.5。KOM0.604。Bartlettx2。。x2913.1210.000Bartlett。2.2.285%589.508%6λ1=3.820λ2=2.445λ3=1.395λ4=0.770λ5=0.522m=589.508%89.508%。6λ/%/%13.82038.19738.19722.44524.44862.64531.39513.94776.59240.7707.69784.28950.5225.21989.50860.4234.23493.74270.3183.17796.91980.2162.16599.08490.0910.91299.997100.0000.003100.0002.2.378。712345X10.8190.043-0.0780.048-0.311TPAX20.8170.4200.067-0.1860.142X30.755-0.0550.0250.350-0.442TPAX40.7070.4790.3970.0090.174X50.661-0.122-0.5140.1630.240TPAX60.371-0.7880.460-0.0500.088TPAX7-0.0940.6770.3640.5630.198TPAX80.5080.627-0.194-0.452-0.019TPAX90.608-0.6180.462-0.1040.131X100.446-0.406-0.6060.2220.239812345TPA0.879-0.3030.0350.115-0.124TPA0.8710.1240.1940.2640.148TPA0.7670.235-0.0180.2540.457TPA-0.1360.9580.0700.125-0.150TPA0.1430.9530.1260.199-0.093-0.0590.1090.8790.144-0.1690.2720.0650.8150.236-0.0450.1800.2010.2200.8730.0880.4450.1560.2590.695-0.076TPA0.102-0.258-0.2020.0080.916、、0.879、0.871、0.767。。TPA、0.958、0.953。。、0.879、0.815。。、0.873、0.695。。0.916。。2.2.47λ槡1、λ槡2、λ槡3、λ槡4、λ槡5。222014371e=13.槡820.8190.8170.7550.7070.6610.371-0.0940.5080.6080.446=0.4190.4180.3860.3620.3380.190-0.0480.2600.3110.228F1X7F1=0.419X1+0.418X2+0.386X3+0.362X4+0.338X5+0.190X6-0.048X7+0.26X8+0.311X9+0.228X10。F2F2=0.027X1+0.268X2-0.035X3+0.306X4-0.078X5-0.504X6+0.433X7+0.401X8-0.395X9-0.260X10。F3F3=-0.066X1+0.057X2+0.021X3+0.336X4-0.435X5+0.389X6+0.308X7-0.164X8+0.391X9-0.513X10。F4F4=0.055X1-0.212X2+0.398X3+0.010X4+0.185X5-0.057X6+0.642X7-0.515X8-0.119X9+0.253X10。F5F5=-0.431X1+0.197X2-0.612X3+0.241X4+0.333X5+0.121X6+0.274X7-0.027X8+0.181X9+0.331X10。λFF=0.382F1+0.244F2+0.139F3+0.077F4+0.052F5。F10。2.2.5。F3。9F1、F2、F4、F5、、、0.968、0.953、0.769、0.679F4。9F10.968**-0.0020.064-0.0070.639**F2-0.0380.953**0.032-0.1170.430**F4-0.061-0.0030.769**0.0970.282**F50.0290.043-0.0390.679**0.225**F0.817**0.419**0.068-0.0590.739***P<0.05**P<0.01。31010。KMOBartlett10。5F1、F2、F3、F4、F5F1、F2、F4、F5、、、0.968、0.953、0.769、0.679F5。1SB/T10137—93.2.J.20023087-94.3.D.2008.4.J.200324329-33.5.J.200437122000-2005.6.J.201031111-14.7.J.2005206121-125.8.TPAJ.2004341-4.9.J.200839790-94.10.J.2002182131-1
本文标题:主成分分析法在挂面质构品质评价中的应用
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