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ICS67.040 CCSX69 NationalStandardofthePeople'sRepublicofChina GB/T20886.2—XXXX ReplaceGB/T23530-2009 Qualityrequirementsforyeast products—Part2: Processedyeastproducts 酵母产品质量要求 第2部分:酵母加工制品 (EnglishTranslation) Issuedate:XXXX-XX-XXImplementationdate:XXXX-XX-XX IssuedbyStateAdministrationforMarketRegulation StandardizationAdministrationofthePeople’sRepublicofChina 1 GB/T20886.2—XXXX Foreword SAC/TC64/SC5isinchargeofthisEnglishtranslation.Incaseofanydoubtaboutthecontents ofEnglishtranslation,theChineseoriginalshallbeconsideredauthoritative. ThedocumentisdraftedinaccordancewiththerulesgiveninGB/T1.1-2020Directivesfor standardization-Part1:structureandDraftingofstandards. ThisdocumentisthesecondpartoftheGB/T20886Qualityrequirementsforyeastproducts. TheGB/T20886Qualityrequirementsforyeastproductsconsistsofthefollowingtwoparts underthegeneraltitle: ——Part1:Yeastforfoodprocessing; ——Part2:Processedyeastproducts. ThisdocumentreplacestheGB/T23530-2009YeastExtractinwhole;inadditiontoanumber ofeditorialchanges,thefollowingtechnicaldeviationshavebeenmadewithrespecttothe GB/T23530-2009(thepreviousedition): ——Addedthetermsanddefinitionsofprocessedyeastproducts,autolyzedyeast,rich nucleotideautolyzedyeast,flavouredautolyzedyeast,yeastcellwall,andprocessedyeast productsusedforculturemedium(see3.1、3.5~3.9) ——Modifiedthedefinitionofyeastextract(see3.2,3.1.1ofthe2009edition); ——Modified"I+Gtypeyeastextract"as"richnucleotideyeastextract"(see3.3,4.2ofthe edition2009); ——Modifiedclassificationofyeastextract[(see5.1a),seeChapter4oftheedition2009)]; ——Addedtheclassificationbyapplication(see5.2); ——Addedthephysicalandchemicalrequirementsofautolyzedyeast(see6.2.3); ——Addedthephysicalandchemicalrequirementsofflavouredautolyzedyeast(see6.2.4); ——Addedthephysicalandchemicalrequirementsofyeastcellwall(see6.2.5); ——Addedthephysicalandchemicalrequirementsofprocessedyeastproductsusedforculture medium(see6.2.6). Attentionisdrawntothepossibilitythatsomeoftheelementsofthisstandardmaybethe