CN1334031A - α-酮烯胺衍生物作为配料的应用 - Google Patents
α-酮烯胺衍生物作为配料的应用 Download PDFInfo
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Abstract
本发明涉及下列通式化合物:(见化学式A)单独或联合在食品、化妆品、药物和香料组合物中作为配料的应用。其中R1为N-吡咯烷基,R2为甲基,X为亚乙基,Y为氧基。
Description
本发明涉及α-酮烯胺衍生物作为配料的应用。
为了获知在热处理谷类产品期间挥发性物质的形成,近二十年来对L-脯氨酸同还原单糖的Maillard反应进行了广泛深入的研究(Tressl等.,农业食品化学杂志(J.Agric.Food Chem.),1985a,33,919-923;Tressl等.,农业食品化学杂志(J.Agric.Food Chem.),1985b,33,924-928;Tressl等.,农业食品化学杂志(J.Agric.Food Chem.),1985c,33,1132-1137;Helak等.,农业食品化学杂志(J.Agric.Food Chem.),1989a,37,400-404;Helak等.,农业食品化学杂志(J.Agric.Food Chem.),1989b,37,405-410;Huyghues-Despoints等农业食品化学杂志(J.Agric.Food Chem.),1994,42,2519-2524)。
通过应用GC/嗅觉测量技术例如Charm分析(Roberts,D.D.,Acree,T.InThermally Generated Flavors;Parliment T.H.,Morello M.J.,McGomn R,Eds,;ACS,华盛顿DC,1994,71-79)或芳香提取稀释分析(AEDA)(Hofmann,T.,Schieberle,P.J.农业食品化学杂志(J.Agric.Food Chem.),1998,46,2721-2726),在由L-脯氨酸和还原糖组成的Maillard反应系统的溶剂提取物中,这些气味活性化合物能够被成功地检测出来。在这些检测出的挥发性物质中,爆米花型味道化合物2-乙酰基-1-吡咯啉和2-乙酰基四氢吡啶被鉴定为热处理葡萄糖/脯氨酸混合物中所有气味物质中的主要成分(Hofman和Schieberle,农业食品化学杂志(J.Agric.FoodChem.),1998,46,2270-2277)。尽管经AEDA显示:在这些烤煮处理期间形成的挥发性反应产品的主要部分没有气味活性,但不能排除:一些这样的无气味化合物可能会在舌上引起某种味道刺激例如苦感、刺鼻感(heating)或清凉感。
因此,对于还原性糖的这样反应产品的感官刺激已经有人描述。
从由烤煮葡萄糖/脯氨酸混合物得到的HPLC部分中,通过应用最近开发的味道稀释分析技术(Hofman,T.农业食品化学杂志(J.Agric.Food Chem.),1999,47,4763-4768),检测出两个化合物,其在舌上显示强烈的清凉感。当己糖降解产品2-羟基-3-甲基-2-环戊烯-1-酮在L-脯氨酸存在下起反应时,发现这些化合物被高浓度地形成。经柱层析分离后,得到的这两个化合物均为淡黄色油状物质,纯度高于99%。GC/MS和1D-以及2D-NMR色谱明确鉴定这两个清凉味化合物为5-甲基2-(1-吡咯烷基)-2-环戊烯-1-酮(5-MPC)和3-甲基-2-(吡咯烷酮)-2-环戊烯-1-酮(3-MPC)。
虽然Tressl等人(1985c)和Huyghes-Dispointes等人(1994)已经报道了这些化合物,但他们并没有报道这些化合物接触舌时能够产生清凉感。
通过加热2-羟基-3-甲基-2-环戊烯-1-酮和乙酸吡咯啉的乙醇溶液,或者通过在脯氨酸存在下干燥加热2-羟基3-甲基-2-环戊烯-1-酮能够容易得到3-MPC和5-MPC。类似地,通过在乙酸吡咯啉的乙醇溶液中或在脯氨酸存在以及干燥加热条件下,4-羟基-2,5-二甲基3(2H)-呋喃酮起反应得到DMPF。
日本专利7242661记载了DMPF作为调味剂化合物能够使小麦面粉食品具有味道。该专利记载:只需加热条件下,这些食品产生味道。因此,该专利把DMPF作为味道物质前体。英国专利1096427记载了某些环戊酮作为有趣的香料类化合物。其还要求保护某些α-酮烯胺,但其仅仅提出将这些化合物作为合成其它化合物的中间体。
本发明目的是提供一类化合物,当将其在食品或其它组合物中用作配料、更特别地用作清凉剂时,所述化合物具有良好的特性。同显示强薄荷类味道的薄荷醇相比,这些化合物不具有味道或具有弱的味道,因此它们不改变食品或其它组合物的香味。
本发明目的是应用下列通式化合物:将所述化合物单独应用或联合应用,作为食品、化妆品、药物或香料组合物中的配料,其中:
R1选自:
-N-吡咯烷基
-N-吡啶基
-N-(氨基-二乙基)
-N-(2-羧基-吡咯烷基)
-N-(2-甲氧基羰基-吡咯烷基)
R2选自:
-H
-甲基
X选自:
-亚甲基
-亚乙基
-1-亚丙基
-氧基
Y选自:
-亚甲基
-亚乙基
-1-亚丙基
-氧基
-乙烷-1,2-二基
-乙烯-1,2-二基
-丙烷-1,2-二基
-乙烷-1-氧-1-基。
在本申请中,“单独”指仅仅应用通式(A)化合物。但根据本发明,还可能把若干通式(A)化合物用于同一组合物中。
在本发明通式化合物第一个优选的实施方案中,R1为N-吡咯烷基,R2为氢,X为亚甲基,Y为亚乙基(5-MPC)。在本发明通式化合物另一个优选的实施方案中,R1为N-吡咯烷基,R2为甲基,X为氧基,Y为亚甲基(MPF)。在本发明通式化合物第三个优选的实施方案中,R1为N-吡咯烷基,R2为甲基,X为亚甲基,Y为氧基(4-甲基3-(1-吡咯烷基)-2(5H)-呋喃酮,2(5H)MPF)。在本发明通式化合物第四个优选的实施方案中,R1为N-吡咯烷基,R2为甲基,X为亚乙基,Y为氧基(4,5-二甲基-3-(1-吡咯烷基)-2(5H)-呋喃酮,2(5H)DMPF)。
对于食品组合物,其可以选自巧克力、冰淇淋、饮料、糖甜食和宠物食品。
对于化妆品组合物,其选自所有局部用的化妆品组合物。
对于香料组合物,其选自醇基质或水基组合物。
通式(A)化合物单独应用或联合应用的用量为整个组合物的0.01-3000mg/kg。已经如上所述,把上述通式(A)化合物加入到组合物中,这些化合物能够是所述组合物产生清凉效果。
合成通式(A)清凉物质的一般步骤
在等摩尔量(例如400mmol)氨基化合物(例如吡咯烷)和乙酸存在下,把环烯醇酮化合物(例如100mmol)的乙醇溶液加热回流数小时(例如1-5小时)。冷却至室温后,真空除去溶剂,把残余物溶解于水中。用氢氧化钠溶液(例如30%水溶液)加入至pH10。然后用有机溶剂(如乙醚)提取该溶液,合并有机层,用碳酸钠水溶液(例如200mL;0.5mol/L)洗涤,硫酸钠干燥,真空除去溶剂。还可以用氧化铝柱色谱(碱性,活性III-IV,Merck,Darmstadt,德国)对目标化合物进行进一步纯化。进行柱色谱时可以应用不同比例的各种有机溶剂例如己烷(如200ml)、己烷/乙醚(例如7∶3,400ml)、己烷/乙醚(如3∶7,400ml)和乙醚(如400ml)。可以从乙醚获得的组份中真空除去溶剂得到目标化合物。按照该一般步骤可以合成表1中化合物。表1.合成的清凉味化合物
5-甲基-2-(1-吡咯烷基)-2-环戊烯-1-酮(5-MPC)和3-甲基-2-(1-吡咯烷基)-2-环戊烯-1-酮(3-MPC)的合成
烯醇酮 | 胺 | 目标化合物 |
2-羟基-3-甲基-2-环戊烯-1-酮 | 吡咯烷 | 3-甲基-2-(1-吡咯烷)-2-环戊烯-1-酮(3-MPC)5-甲基-2-(1-吡咯烷)-2-环戊烯-1-酮(5-MPC) |
2-羟基3-甲基-2-环戊烯-1-酮 | 哌啶 | 3-甲基-2-(1-哌啶)-2-环戊烯-1-酮(3-MPipC)5-甲基-2-(1-哌啶)-2-环戊烯-1-酮(5-MPipC) |
2-羟基3-甲基-2-环戊烯-1-酮 | 二乙胺 | 3-甲基-2-二乙胺基-2-环戊烯-1-酮(3-MDeaC)5-甲基-2-二乙胺基-2-环戊烯-1-酮(5-MDeaC) |
2-羟基3-甲基-2-环戊烯-1-酮 | L-脯氨酸 | 3-甲基-2-(2-羧基-1-吡咯烷基)-2-环戊烯-1-酮(3-MProC) |
2-羟基-3-甲基-2-环戊烯-1-酮 | L-脯氨酸甲酯 | 5-甲基-2-(2-甲氧基羰基-1-吡咯烷基)-2-环戊烯-1-酮(5-MMeProC) |
2-羟基-3-乙基-2-环戊烯-1-酮 | 吡咯烷 | 5-乙基-2-(1-吡咯烷基)-2-环戊烯-1-酮(5-EPC) |
2-羟基-3,5-二甲基-2-环戊烯-1-酮 | 吡咯烷 | 3,5-二甲基-2-(1-吡咯烷基)-2-环戊烯-1-酮(3,5-DMPC) |
2-羟基-3,4-二甲基-2-环戊烯-1-酮 | 吡咯烷 | 3,4-二甲基2-(1-吡咯烷基)-2-环戊烯-1-酮(3,4-DMPC)4,5-二甲基2-(1-吡咯烷基)-2-环戊烯-1-酮(4,5-DMPC) |
2-羟基-3-甲基-2-环戊烯-1-酮 | 吡咯烷 | 3-甲基-2-(1-吡咯烷基)-2-环己烯-1-酮(3-MPCH)6-甲基-2-(1-吡咯烷基)-2-环己烯-1-酮(6-MPCH) |
2,5-二甲基-4-羟基-3(2H)-呋喃酮 | 吡咯烷 | 2,5-二甲基-4-(1-吡咯烷基)-3(2H)-呋喃酮(DMPF) |
4-羟基-5-甲基-3(2H)-呋喃酮 | 吡咯烷 | 5-甲基-4-(1-吡咯烷基)-3(2H)-呋喃酮(MPF) |
3-羟基-4,5-二甲基-2(5H)-呋喃酮 | 吡咯烷 | 4,5-二甲基-3-(1-吡咯烷酮基)-2(5H)-呋喃酮(2(5H)-DMPF) |
3-羟基-4-甲基2(5H)-呋喃酮 | 吡咯烷 | 4-甲基3-(1-吡咯烷酮)-2(5H)-呋喃酮(2(5H)-MPF) |
1、从2-羟基3-甲基-2-环戊烯-1-酮(甲基环戊烯醇酮)和乙酸吡咯啉的乙醇液制备。把甲基环戊烯醇酮(100mmol)、吡咯烷(400mmol)和乙酸(400mmol)的乙醇(600ml)溶液回流2小时。冷至室温,真空除去溶剂,把残余物溶解于水(300mL),用氢氧化钠溶液(30%水溶液)调节pH至10。用乙醚(5×150ml)提取该溶液,合并有机层,用碳酸钠水溶液洗涤(200mL,0.5mol/L),硫酸钠干燥,真空除去溶剂。把残余油状物溶解于戊烷/乙醚(6/4,v/v,10mL),然后将其施加于装有氧化铝(碱性,活性III-IV,Merck,Darmastadt,德国)的戊烷浆液的柱(30×500mm)上。进行层析时应用戊烷(300mL,A部分)、戊烷/乙醚(9/1,v/v;300mL;B部分)、戊烷/乙醚(8/2,v/v;300mL;C部分)、戊烷/乙醚(7/3,v/v,300mL,D部分)、戊烷/乙醚(6/4,v/v;300mL;E部分),然后应用戊烷/乙醚(5/5,v/v;300mL,F部分)。收集含有5-MPC(1.65g,10%产率)的B部分和含有3-MPC(1.32g,8%产率)的D部分,真空除去溶剂,得到淡黄色油状的目标化合物。3-甲基2-(1-吡咯烷基)-2-环戊烯-1-酮(3-MPC)和5-甲基-2-(1-吡咯烷基)-2-环戊烯-1-酮(5-MPC)的合成制备2、从2-羟基-3-甲基2-环戊烯-1-酮(甲基环戊烯醇酮)和脯氨酸在氧化铝上干燥加热制备。把甲基环戊烯醇酮(100mmol)和脯氨酸(100mmol)的混合物同氧化铝(20g,碱性,活性III-IV)磨碎,然后在180℃下干燥加热10分钟。将混合物悬浮于水(100mL),过滤,用氢氧化钠溶液调节至pH10(30%水溶液),然后用乙醚提取。按照上面用于(甲基环戊烯醇酮)/乙酸吡咯啉混合物详细描述的方法处理该反应混合物。得到淡黄色油状的目标化合物5-MPC(120mg)和3-MPC(33mg)。光谱数据:3-MPC:MS(EI):165(100;[M]+),164(47),137(34),136(38),122(53),109(136),108(43),94(27),81(26),67(21),41(27)。1H NMR(360MHz;CDCl3,COSY,TOCSY):δ1.77-1.81(m,2×2H,CH2),2.13(s,3H,CH3),2.34-2.35(m,2H,CH2),2.39-2.41(m,2H,CH2),3.40-3.44(m,2×2H,CH2).13C NMR(360MHz;CDCl3;DEPT,HMQC,HMBC):δ17.8[CH3],24.9[2×CH2],30.0[CH2],34.1[CH2],49.5[2×CH2],143.7[C],145.9[C],205.9[CO].5-MPC:MS(EI):165(100;[M]+),164(32),150(26),137(22),136(37),122(87),108(34),95(34),94(31),70(21),67(24),54(24),41(25).1H NMR(360MHz;CDCl3,COSY,TOCSY):δ1.16-1.18(d,3H,J=7.5Hz,CH3),1.82-1.88(m,2×2H,CH2),2.06-2.11(dd,J=17.7,2.2Hz,1H,CHaH),2.35-2.43(m,1H,J=7.5,2.2;CH),2.71-2.78(dd,J=17.7,3.1Hz,1H,CHHb),3.22-3.33(m,2×2H,CH2),5.82-5.83(t,J=3.1Hz,1H,CH).13C NMR(360MHz;CDCl3;DEPT,HMQC,HMBC):δ16.5[CH3],24.8[2×CH2],32.6[CH2],40.2[CH],48.1[2×CH2],123.6[CH],146.7[C],207.4[CO].5-甲基-4-(1-吡咯烷酮)-3(2H)-呋喃酮(MPF)的合成1、从木糖和吡咯烷制备。把木糖(0.1mol)和吡咯烷(0.1mol)的甲醇(90ml)溶液回流3小时,然后加入乙酸(0.1mol),再持续加热2小时。冷却后,真空除去溶剂,将残余物溶解于水(100ml),用乙酸乙酯提取(100ml,5次),合并有机层,用0.1M氢氧化钠水溶液(3×50ml)提取,干燥有机相(硫酸钠),应用在正己烷中平衡的氧化铝(碱性,活性III-IV;Merck,Darstadt,德国)柱进行层析。进行层析时所用的洗脱剂为:己烷(200ml)、己烷/乙醚7∶3(400mL)、3∶7(400ml)和乙醚(400ml)。把由乙醚洗脱得到的部分真空除去溶剂,得到纯度高于99%的无色油状目标化合物MPF(0.9mmol;0.9%)。2、从4-羟基-5-甲基2H-呋喃-3-酮和吡咯烷酮制备。把4-羟基-5-甲基-2H-呋喃-3-酮(10mmol)和吡咯烷酮(20mmol)和乙酸(20mmol)的甲醇(50ml)混合物回流3小时。冷却后,真空除去溶剂,把残余物溶解于水(100ml),用乙酸乙酯提取(100ml×5次),合并有机层,用0.1M氢氧化钠水溶液(3×50ml)提取,干燥有机相(硫酸钠),如上详述进行柱层析分离。得到纯度高于99%的无色油状目标化合物MPF(0.5mmol;5%产率)。MPF的光谱数据:GC/MS(EI):42(100),167(95),54(93),96(76),124(74)1H NMR(360MHz;CDCl3,COSY,TOCSY):1.82(m,2×2H,CH2),2.23(s,3H,CH3),3.11(m,2×2H,CH2),4.38(s,2H,CH2)13C-NMR(360MHz ;CDCl3):14.2(CH3),24.7(2×CH2),50.6(2×CH2),72.9(CH2),126.3(C),183.0(C),198.9(CO)4,5-二甲基-3-(1-吡咯烷酮)-2(5H)-呋喃酮[2(5H)DMPF]的合成
从3-羟基-4,5-二甲基-2(5H)-呋喃酮和乙酸吡咯啉的乙醇溶液制备。把3-羟基-4,5-二甲基2(5H)-呋喃酮(10mmol)、乙酸(10mmol)和吡咯烷(10mmol)的乙醇(50mL)溶液回流3小时。冷却至室温,真空除去溶剂,把残余物溶解于水(25ml)。用乙醚提取(5×10ml)该溶液,合并有机层,用硫酸钠干燥,然后真空除去溶剂。把残余油溶解于戊烷/乙醚(4/1,v/v;5mL),然后施加于装有氧化铝(碱性,活性III-IV、Merck,Darmstadt,德国)戊烷浆液的柱(30×500mm)上。进行层析时,洗脱剂为戊烷(300mL,A部分)、戊烷/乙醚(9/1,v/v;400mL;B部分)、戊烷/乙醚(80/20,v/v;400mL;C部分)、戊烷/乙醚(70/30,v/v,400mL,D部分)、戊烷/乙醚(60/40,v/v;400mL;E部分)。收集含有2(5H)-DMPF的(0.64g,36%产率)的E部分,真空除去溶剂,得到无色油状的目标化合物。2(5H)-DMPF的光谱数据;MS(EI):181(82;[M]+),166(76),138(28),136(49),122(100),110(74),108(93),94(37),82(36),68(26),55(43),54(26),53(24),43(31),41(44).1H NMR(360MHz;CDCl3,COSY,TOCSY):δ1.35-1.36(d,3H,J=6.6Hz,CH3),1.79-1.86(m,2×2H,CH2),2.03(s,3H,CH3),3.47-3.57(m,2×2H,CH2),4.66-4.72(q,1H,J=6.6Hz,CH).13C NMR(360MHz;CDCl3; DEPT,HMQC,HMBC):δ11.8[CH3],19.2[CH3],24.9[2×CH2],49.3[2×CH2],78.0[CH],128.7[C],130.5[C],170.4[CO].4-甲基-3-(1-吡咯烷)-2(5H)-呋喃酮[2(5H)-MPF]的合成从4-甲基-二氢-呋喃-2,3-二酮和乙酸吡咯啉的乙醇溶液制备。把4-甲基-二氢-呋喃2,3-二酮(100mmol,按照Fleck等.,Helv.Chim.Acta 1950,33,130所述方法制备)和乙酸(100mmol)和吡咯烷(100mmol)的乙醇(225mL)溶液回流2.5小时。冷却至室温,真空除去溶剂,把残余物溶解于水(200mL)。用乙醚(5×100ml)提取该溶液,合并有机层,用硫酸钠干燥,真空除去溶剂。把残余油溶解于戊烷/乙醚(3/2,v/v;10ml),然后将其施加于装有氧化铝(碱性,活性III-IV,Merck,Darmstadt,德国)的戊烷浆状液的柱(30×500mm)上。进行层析所用洗脱剂为戊烷(300mL,A部分)、戊烷/乙醚(9/1,v/v;400mL;B部分)、戊烷/乙醚(80/20,v/v;400mL;C部分)、戊烷/乙醚(70/30,v/v,400mL,D部分)、戊烷/乙醚(60/40,v/v;400mL;E部分)、戊烷/乙醚(50/50,v/v;400mL,F部分)。收集含有2(5H)-MPF(2.25g,14%产率)的F部分,真空除去溶剂,得到淡黄色油状的目标化合物。2(5H)-MPF的光谱学数据:MS(EI):167(94;[M]+),166(63),139(58),138(45),122(93),120(43),111(54),110(46),108(32),95(26),94(100),82(25),81(24),80(23),68(67),67(21),55(36),54(27),53(23),41(58).1H NMR(360MHz;CDCl3,COSY,TOCSY):δ1.80-1.86(m,2×2H,CH2),2.09(s,3H,CH3),3.49-3.54(m,2×2H,CH2),4.53(s,2H,CH2).13C NMR(360MHz;CDCl3; DEPT,HMQC,HMBC):δ12.4[CH3],25.1[2×CH2],49.5[2×CH2],71.7[CH2],124.3[C],130.7[C],171.6[CO].感觉分析
在感觉分析前,用GC/MS检测合成的味觉化合物的纯度。应用受过训练的参加者进行清凉感以及芳香阈值的确定。应用自来水作为溶剂通过三角测试确定鼻味阈值(Guth,H.;Grosch,W.J.Am.Oil Chem.Soc.1993,70,513-518)以及清凉感阈值。样品按照浓度增加的顺序提供,把三个独立测定(sessions)所评价的阈值平均。个体和独立测定之间的值相差不超过一个稀释步骤。
表2中总结了感官分析的结果。除薄荷醇外,5-MPC、2(5H)-DMPF、MPF和2(5H)-MPF具有最低的清凉阈值。气味阈浓度的比较表明:薄荷醇产生强的薄荷型芳香气味而新的清凉剂显示明显高的芳香阈值。清凉阈值和芳香阈值的比值计算明显证明:没有芳香或仅仅有弱芳香味的本发明化合物能够用作清凉剂化合物,并且不产生强气味。相反,对于薄荷醇,其气味阈值比其清凉阈值低9.5倍,这样表明其非常难以在不产生显著薄荷味的条件下产生清凉效果。这些数据还显示:通过应用新的清凉化合物,能够在消费非薄荷型食品组合物期间产生一定清凉效果,其中所述食品组合物例如甜食产品、麦芽型饮料和水果香料或棕色香料(brown flavour)。特别是2(5H)-DMPF、MPF和2(5H)-MPF,它们同薄荷醇相比具有低得多的清凉阈值/气味阈值之比,因此是非常有效的冷却物质。
表2.选择化合物的清凉和气味阈值的比较
a在水中测定的阈值[mg/kg]。
清凉物质 | 清凉阈值a | 气味阈值a | 气味性质 | 清凉/气味比值 |
3-MProC | 490-735 | - | 无味 | <<0.01 |
5-MMeproC | 112-188 | - | 无味 | <<0.01 |
DMPF | 100-140 | 30-60 | 坚果味,烧烤味 | 2.7 |
3-MPCH | 90-150 | 45-75 | 弱薄荷味 | 2.0 |
4.5-DMPC | 68-113 | 136-226 | 弱薄荷味 | 0.5 |
3-MPipC | 60-100 | 80-120 | 弱胺味 | 0.8 |
3,4-DMPC | 51-86 | 26-43 | 橡胶味 | 2.0 |
3,5-DMPC | 33-54 | 16-27 | 橡胶味 | 2.0 |
3-MPC | 29-44 | 44-73 | 弱胺味 | 0.8 |
6-MPCH | 27-45 | 3.4-5.6 | 橡胶味 | 8.0 |
5-EPC | 27-43 | 13-22 | 弱薄荷味 | 2.0 |
5-MPipC | 16-24 | 12-20 | 弱薄荷味 | 2.7 |
5-MDeaC | 12-20 | 6.0-9.0 | 姜黄味 | 2.1 |
5-MPC | 4.5-9 | 2.6-5.2 | 弱薄荷味 | 1.7 |
2(5H)-DMPF | 2.0-4.0 | 32-64 | 弱薄荷味 | 0.06 |
MPF | 1.5-3.0 | - | 无味 | <<0.01 |
2(5H)-MPF | 0.02-0.06 | - | 无味 | <<0.01 |
(-)薄荷醇 | 0.9-1.9 | 0.1-0.2 | 薄荷味 | 9.5 |
在一个另外的实验中,测定了3-MPC、5-MPC、MPF、2(5H)-MPF和2(5H)-DMPF在巧克力中的清凉阈值。如表3所示,在巧克力中,2(5H)-MPF的清凉阈值最低,约0.25-0.5mg/100g,然而,5-MPC清凉阈值显示比上述阈值8倍还高。
表3.MPF、3-MPC和5-MPC在牛奶巧克力中的清凉阈值
清凉化合物 清凉效果[mg/100g巧克力]
2(5H)-MPF 0.25-0.5
MPF 0.8-1.5
5-MPC 2.3-3.7
2(5H)-DMPF 5.0-7.5
3-MPC 38-63炒麦芽中5-甲基-2-(1-吡咯烷基)-2-环戊烯-1-酮(5-MPC)、3-甲基2-(1-吡咯烷基)-2-环戊烯-1-酮(3-MPC)和2,5-二甲基-4-(1-吡咯烷基)-3(2H)-呋喃酮(DMPF)的鉴定
把深色麦芽(50g,Caraffa special)在液氮中冷冻,然后将其在研钵研磨。将粉末同二氯甲烷(2×400mL)一起搅拌过夜。合并有机层,真空浓缩至50mL,然后在25℃下,高真空蒸馏分离麦芽组份中的挥发性组份。把得到的蒸馏物浓缩至约1mL,然后用柱色谱(0.9×100mm)分离,柱中装有氧化铝(碱性,活性III-IV,Merck,德国Darmstadt),其中氧化铝先用戊烷平衡。进行色谱所用洗脱剂为戊烷(100mL,A部分)、戊烷/乙醚(9/1,v/v;100mL;B部分)、戊烷/乙醚(8/2,v/v;100mL;C部分)、戊烷/乙醚(7/3,v/v,100mL,D部分)、戊烷/乙醚(6/4,v/v;100mL;E部分)、戊烷/乙醚(4/6,v/v;100mL,F部分)、戊烷/乙醚(2/8、v/v;100mL;G部分),然后应用乙醚(100ml,H部分)。分别收集B部分、D部分和G部分,用GC/MS分析。把其保留时间和质谱(EI、CI)同合成的参照化合物相比,B部分可以鉴定为5-MPC(101.3μg/kg)、D部分可以鉴定为3-MPC(9.4μg/kg),G部分可以鉴定为DMPF(11.5μg/kg)。
实施例1:在矿泉水中应用5-甲基2-(1-吡咯烷基)-2-环戊烯-1-酮(5-MPC)和5-甲基-4-(1-吡咯烷基)-3(2H)-呋喃酮(MPF)
用VittelTM矿泉水分别稀释10%1-薄荷醇、5%5-MPC和10%MPF的乙醇溶液。然后品尝这些溶液,将其同纯净的VittelTM矿泉水比较。
样品 味道
VittelTM 中性芳香味和味道
含1-薄荷醇的VittelTM(10g/ml) 明显清凉效果,强的薄荷醇味
含5-MPC的VittelTM 明显清凉效果,弱的薄荷醇味
含MPC的VittelTM 明显清凉效果,中性芳香味实施例2:柑橘汁中应用5-MPC和MPF
在柑橘汁中评价若干清凉物质。1-薄荷醇在20mg/L时产生强的冷却效果。其还显示强薄荷式芳香味、因此使该果汁中总味道不平衡。新的冷却化合物5-MPC,以200mg/L的浓度加入时,也显示强的清凉效果。除清凉效果外,其还显示弱薄荷醇型草芳香味,但味道没有1-薄荷醇明显。把MPF以1000mg/L加入到柑橘汁中,在口腔中产生明显的清凉效果,并且没有附加的芳香味。因此,MPF适合增加柑橘汁的清凉效果,并且不改变其芳香味道特性,这是应用1-薄荷醇所不能达到的效果。实施例3:在糖甜食中应用5-MPC和MPF
在烧杯中加入糖(100g)和水(15g),将其置于电热板上加热。当混合物变成澄清溶液后,继续加热该糖浆直至因水分蒸发而变粘。然后分别加入5-MPC(20mg)和MPF(100mg)。把该粘性液体倾入到模中(3g/模),使其冷却至室温。把从模中形成的糖果脱模,用于品尝。同不含清凉物质的对照品相比,分别含有5-MPC和MPF的两种糖果在口中具有明显的冷却效果。含有MPF的糖果不显示附加的味觉特点,同具有弱油腻和弱薄荷味的含5-MPC的糖果相比,其更优越些。实施例4:在冰淇淋中应用5-MPC
把全脂奶油(250g)、牛奶(250ml)和糖(100g)混合,搅拌直至糖溶解。然后把该混合物倾入到冰淇淋机器(II Gelataio Super,Sigmac Inc.,Gessate,意大利)的接受器中,搅拌下冷冻30分钟。通式,制备含有5-MPC(20mg/kg)的冰淇淋。含有5-MPC的冰淇淋显示明显长时间的冷却效果。这种冰淇淋的清凉新鲜感持续时间远远长于不加调味物质的对照品。实施例6:5-MPC、2(5H)-DMPF、2(5H)-MPF和MPF的局部测试
清凉化合物5-MPF、2(5H)-DMPF、2(5H)-MPF和MPF的阈值测量如下:把含有0.05、0.1、0.2、0.5或1.0%清凉剂的等量水溶液(0.5mL)加入到右前臂内侧、手腕和手肘之间中途表皮的圆形区域(10cm2),然后摩擦1分钟。并列地,把等份(0.5ml)纯净自来水作为空白施加于左臂皮肤的区域。1分钟后,干燥皮肤。按照从0(无效果)到5(效果非常强)的清凉强度等级,请10个评委(男性和女性)进行评分。把两天三个不同实验所评价的值进行平均。各个值和独立实验值之间的差别不超过2分。
前臂内侧表面上5-MPC和MPF的局部测试
a在自来水中测定皮肤的清凉效果,按照从0(无效果)至5(效果很强)的清凉强度等级进行局部测试评分。n.d.表示未检测出清凉效果。
浓度[%] | 冷却强度a | |||
2(5H)-MPF | 2(5H)-DMPF | MPF | 5-MPC | |
0.00020 | 0 | 0 | 0 | |
0.00039 | 1 | 0 | 0 | |
0.00078 | 2 | 0 | 0 | |
0.00156 | 3 | 0 | 0 | |
0.00313 | 5 | 0 | 0 | |
0.00625 | 5 | 0 | 0 | 0 |
0.0125 | n.d. | 1 | 0 | 0 |
0.025 | n.d. | 3 | 0 | 0 |
0.05 | n.d. | 5 | 1 | 0 |
0.1 | n.d. | 5 | 2 | 0 |
0.2 | n.d. | 5 | 4 | 1 |
0.5 | n.d. | 5 | 5 | 3 |
1.0 | n.d. | 5 | 5 | 5 |
Claims (10)
2、权利要求1的应用,其中R1为N-吡咯烷基、R2为氢、X为亚甲基、Y为亚乙基。
3、权利要求1的应用,其中R1为N-吡咯烷基、R2为甲基、X为氧基和Y为亚甲基。
4、权利要求1的应用,其中R1为N-吡咯烷基、R2为甲基、X为亚甲基和Y为氧基。
5、权利要求1的应用,其中R1为N-吡咯烷基、R2为甲基、X为亚乙基、Y为氧基。
6、权利要求1—5任意一项的应用,其中食品组合物选自巧克力、冰淇淋、饮料、糖甜食和宠物食品。
7、权利要求1—5任意一项的应用,其中化妆品组合物选自所有局部用的化妆品组合物。
8、权利要求1—5任意一项的应用,其中香料组合物选自油基或水基组合物。
9、权利要求1—8任意一项的应用,其中通式(A)化合物单独或联合应用的用量为整个组合物的0.01-3000mg/kg。
10、通式(A)化合物单独或联合在产生清凉效果中的应用。
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CA3229223A1 (en) | 2021-08-23 | 2023-03-02 | The Procter & Gamble Company | Oral care compositions for gum health |
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Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH464182A (de) * | 1965-03-31 | 1968-10-31 | Givaudan & Cie Sa | Verfahren zur Herstellung von Cyclopentenonen |
GB1514910A (en) * | 1974-07-02 | 1978-06-21 | Unilever Ltd | Amadori compounds and their use to flavour foods |
JPH07242661A (ja) * | 1994-03-04 | 1995-09-19 | Shiono Koryo Kk | 小麦粉食品の加熱香気を有する香料化合物ならびに香料組成物 |
-
2001
- 2001-05-21 AT AT01111959T patent/ATE380474T1/de active
- 2001-05-21 DE DE60131804T patent/DE60131804D1/de not_active Expired - Lifetime
- 2001-05-22 ZA ZA200104188A patent/ZA200104188B/xx unknown
- 2001-05-22 PL PL01347668A patent/PL347668A1/xx not_active Application Discontinuation
- 2001-05-22 AU AU46194/01A patent/AU781119B2/en not_active Ceased
- 2001-05-23 NZ NZ511903A patent/NZ511903A/xx unknown
- 2001-05-23 CN CN01124817A patent/CN1334031A/zh active Pending
- 2001-05-23 HU HU0102160A patent/HUP0102160A3/hu unknown
- 2001-05-23 SG SG200103103A patent/SG108255A1/en unknown
- 2001-05-23 BR BR0102083-8A patent/BR0102083A/pt not_active Application Discontinuation
- 2001-05-23 US US09/863,970 patent/US6592884B2/en not_active Expired - Fee Related
- 2001-05-23 JP JP2001153799A patent/JP2002084990A/ja not_active Withdrawn
- 2001-05-23 CA CA002348301A patent/CA2348301A1/en not_active Abandoned
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102203073A (zh) * | 2009-02-02 | 2011-09-28 | 波兰纽克大学有机化学学院 | 烯氨羰基化合物及其用途 |
CN102203073B (zh) * | 2009-02-02 | 2014-06-25 | 波兰纽克大学有机化学学院 | 烯氨羰基化合物及其用途 |
CN103783658A (zh) * | 2014-01-21 | 2014-05-14 | 杨成云 | 一种电子烟液香料的制备方法 |
CN110981862A (zh) * | 2019-12-11 | 2020-04-10 | 中国烟草总公司郑州烟草研究院 | 一种化合物及其合成方法、应用、烟草制品 |
CN111004224A (zh) * | 2019-12-11 | 2020-04-14 | 中国烟草总公司郑州烟草研究院 | 一种环甲位烯胺酮类化合物及其合成方法、应用、烟草制品 |
CN111004224B (zh) * | 2019-12-11 | 2021-03-12 | 中国烟草总公司郑州烟草研究院 | 一种环甲位烯胺酮类化合物及其合成方法、应用、烟草制品 |
CN110981862B (zh) * | 2019-12-11 | 2021-03-12 | 中国烟草总公司郑州烟草研究院 | 一种化合物及其合成方法、应用、烟草制品 |
Also Published As
Publication number | Publication date |
---|---|
JP2002084990A (ja) | 2002-03-26 |
AU781119B2 (en) | 2005-05-05 |
US6592884B2 (en) | 2003-07-15 |
HU0102160D0 (en) | 2001-07-30 |
US20020022039A1 (en) | 2002-02-21 |
ATE380474T1 (de) | 2007-12-15 |
PL347668A1 (en) | 2001-12-03 |
NZ511903A (en) | 2002-12-20 |
CA2348301A1 (en) | 2001-11-23 |
HUP0102160A2 (hu) | 2002-05-29 |
ZA200104188B (en) | 2002-11-22 |
AU4619401A (en) | 2001-11-29 |
DE60131804D1 (de) | 2008-01-24 |
HUP0102160A3 (en) | 2003-09-29 |
BR0102083A (pt) | 2002-03-19 |
SG108255A1 (en) | 2005-01-28 |
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