包装袋开孔率对荔枝低温货架销售品质的影响-论文.pdf

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1、遗像鲜ScienceandTechnology0jFoodIndustry包装袋开孔率对荔枝低温货架销售品质的影响杨松夏，陆华忠’，吕恩利，岑康华，赵俊宏’2(1．华南农业大学南方农业机械与装备关键技术教育部重点实验室，广东广州510642；2．华南农业大学工程学院，广东广州510642)摘要：以“妃子笑”荔枝为实验材料，采用低温货架实验平台进行对比实验，研究了不同包装袋开孔率对荔枝低温货架销售品质的影响。结果表明：开孔包装袋包装可以显著(p<0．05)抑制荔枝品质的下降，并且包装袋开孔率大小对荔枝品质也有较大影响。随着销售期的延长，1

2、％开孔率相比于3％和5％开孔率可显著(p<0．05)抑制荔枝失水、褐变和好果率下降．一定程度上延缓可滴定酸分解和色差下降，但是不同包装袋开孔率大小对可溶性固形物含量的影响无显著差异(p>0．05)。并且，1％开孔率在销售期12h后抑制可溶性固形物分解和果皮褐变的作用会有所下降。该研究为荔枝保鲜销售技术研发提供参考。关键词：荔枝，包装袋，开孔率，低温货架，品质EffectsofpackagingbagswithdifferentventilationratesonthequalityofIitchisoldontheIowtemperat

3、ureshelfYANGSong—xia’一，LUHua—zhong‘一，LVEn—li''，CENKang—hua，ZHAOJun—hong’(1．KeyLaboratoryofKeyTechnologyonAgriculturalMachineandEquipment，MinistryofEducation，SouthChinaAgriculturalUniversity，Guangzhou510642，China；2．CollegeofEngineering，SouthChinaAgriculturalUniversity，Gua

4、ngzhou510642，China)Abstract：Inordertostudytheeffectsofpackagingbagswithdifferentventilationratesonthequalityoflitchisoldonthelowtemperatureshelf，anexperimentwhichused“Feizixiao”litchiasmaterialsandlowtemperatureshelfasplatformwascarriedout．Theresultsshowedthatpackagingwi

5、thperforatedbagscouldsignificantly(P<0．05)inhibitthedeclineoflitchiqualitysoldonlowtemperatureshelf．Andtheventilationrateofpackaginqbagsalsohad．greatinfluencesonlitchiquality，Astheextensionofsalesperiod．packagingbagswith1％ventilationratewasabletosignificantly(P<0．05)inhi

6、bitthewaterloss，peelbrowningandgoodfruitratereducingcomparedwiththosewith3％and5％ventilationrate．Besides．packagingbagswith1％ventilationratecoulddelaythedecompositionoftitratableacid(TA)anddeclineofcolordifference．However，theimpactsofdifferentventilationratesontotalsoluble

7、solids(TSS)contenthadnosignificantlydifferences(P>0．05)．Inaddition，theinhibitingactionofpackagingbagswithl％ventilationrateonthedecompositionofTSSandpeelbrowningdecreasedafter12h．Thisresearchcouldprovideareferencefortheresearchingoflitchifresh—keepingsalestechnology．Keywo

8、rds：litchi；packagingbags；ventilationrates；lowtemperatureshelf；quality中图分类号：TS206．2文献标识码：A文章编号：1002—0306