新西兰食品安全局认定牛奶中的2种酪蛋白均无害

新西兰食品安全局认定牛奶中的2种酪蛋白均无害 新西兰食品安全局认定牛奶中的2种酪蛋白 均无害 FOODANDFERMENTAflONlNDUST 谱对合成的4种酯进行了结构鉴定;香气评价结果 明,合成的4种(乙基)麦芽酚酯具有焦糖香,果香等 香气,香气纯正. 2 3 参考文献 孙宝国,何坚.香料化学与工艺学(第二版)[M].北京; 化学工业出版社,2004.201,2O2 ~aIIIyHHHBM,TOB6HHaMC,(I)pH~MaHii/A,BeJIoBBH. HoayqenHe?ylLIHCTblXBeII~eCTB—HpoHaao~nbtX3一OKCa 一一 I-Iapona[J].Tpy~bIBcecoIO3HOFOHayqno, HccJIe?oBaTeJIbcKorDHHCTHTyTaCI4HTeTI4qecKI4XH HaTypaJlbHbIX且yIIIHCTblXBeI~OETB.1963(6):73~80 MussinanCJ,MookherjeeBD,GoossensAE,eta1. Maltol2-methylpentenoatesandorganolepticusesthereof rP].US4139541,1979—02—13 4OserBL,FordRA.GRASsubstances9[-J].FoodTech— nology,1975,29(8):7O,72 5NewberneP,SmithRL,DoullJ,eta1.GRASflavoring substances19[J].FoodTechnology.2000,54(6);66, 84 6HayesBL.MicrowaveSynthesis[M].Matthews:CEM Publishing,2002.95,156 7ChenJJ,DeshpandeSV.Rapidsynthesisof?一ketoam— idesusingmicrowaveirradiation—simultaneouscooling method[,J].TetrahedronLett,2003,44:8873~8876 8HumphreyCE,EassonMAM,TierneyJP,eta1.Sol— id,supportedcyclohexane-1,3-dione(CHD):a"capture andrelease"reagentforthesynthesisofamidesandnovel scavengerresin[,J].OrganicLetters,2003,5(6):849, 852 Synthesesof(Ethy1)MaitoiCarboxylatesFlavoringCompounds AssistedbyMicrowaveIrradiation—SimultaneousCooling ZhengFuping,SunBaoguo,XieJianchun,LiuYuping,LiNing,ZhangFan (SchoolofChemicalandEnvironmentalEngineering,BeijingTechnologyandBusinessUniversity,Beijing100037,China) ABSTRACTInthispaper,wedescribearapidandcleanmethodtosynthesize(ethy1)maholcarboxylates. Four(ethy1)maholcarboxylatesflavoringcompoundsweresynthesizedbyreactionsof(ethy1)maholand anhydridescatalyzedwithsodiumcarboxylates,assistedbymicrowaveirradiation— simultaneouscooling.The reactionrateaswellastheconversionratewasimprovedobviouslycomparedwithconventionalrefluxmeth— od.Thereactionrateandtheconversionrateundermicrowaveirradiationandpressurewere1argerthanthose undermicrowaveirradiationandnorma1pressure.Structuresofthefoursynthesized(ethy1)maho1carboxyl— ateswereidentifiedbydataofelementalanalysis,infraredspectra,protonnuclearmagneticresonancespec— traandmassspectra.Organolepticevaluationshowedthatthefour(ethy1)maholcarboxylateshadburnt— sugar,fruitycharacters. Keywordsmicrowaveirradiation-simultaneouscooling,maltolcarboxylates,ethylmaltolcarboxylates,fla— voringcompounds,synthesis 2007Vol33No.9(TotaI237)