{"id":13997,"date":"2017-05-17T09:36:49","date_gmt":"2017-05-17T01:36:49","guid":{"rendered":"\/\/www.gsbet888.com\/?p=13997"},"modified":"2019-08-02T18:53:14","modified_gmt":"2019-08-02T10:53:14","slug":"%e7%be%8e%e7%99%bd%e9%bb%84%e9%87%91-aa2g","status":"publish","type":"post","link":"\/\/www.gsbet888.com\/molecule\/2017\/05\/%e7%be%8e%e7%99%bd%e9%bb%84%e9%87%91-aa2g.html","title":{"rendered":"\u201c\u7f8e\u767d\u9ec4\u91d1\u201d\u2014\u2014AA2G"},"content":{"rendered":"
\u7ef4\u751f\u7d20C(\u7f29\u5199\u4e3aVC)\u662f\u4eba\u4f53\u5fc5\u9700\u7684\u8425\u517b\u5143\u7d20\u4e4b\u4e00\uff0c\u5728\u4e34\u5e8a\u4e0a\u4e3b\u8981\u7528\u6765\u6cbb\u7597\u574f\u8840\u9178\u75c5,\u6545\u5316\u5b66\u540d\u79f0\u4e3a\u6297\u574f\u8840\u9178(Ascorbic Acid,AA)\u3002\u6b64\u5916\uff0cVC\u7279\u6709\u7684\u5316\u5b66\u7ed3\u6784\u548c\u751f\u7406\u6d3b\u6027\u4f7f\u5176\u53ef\u4ee5\u4f5c\u4e3a\u9178\u5473\u5242\u3001\u8fd8\u539f\u5242\u3001\u6297\u6c27\u5316\u5242\u3001\u6f02\u767d\u5242\u548c\u7a33\u5b9a\u5242\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5316\u5986\u54c1\u3001\u98df\u54c1\u548c\u533b\u836f\u7b49\u9886\u57df\u3002\u7136\u800cVC\u4e5f\u5b58\u5728\u7740\u4e00\u7cfb\u5217\u56fa\u6709\u5f0a\u7aef\uff1a\u5176\u5728\u6c34\u6eb6\u6db2\u4e2d\u6781\u4e0d\u7a33\u5b9a\uff1b\u6613\u88ab\u7a7a\u6c14\u4e2d\u7684\u6c27\u548c\u5176\u4ed6\u6c27\u5316\u5242\u6c27\u5316\uff1b\u66b4\u9732\u4e8e\u4e2d\u6027pH\u3001\u70ed\u3001\u5149\u548c\u91cd\u91d1\u5c5e\u4e0b\u4f1a\u5feb\u901f\u964d\u89e3\u7b49\uff0c\u4ece\u800c\u9650\u5236\u4e86\u5b83\u5728\u67d0\u4e9b\u9886\u57df\u4e2d\u7684\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u9ad8\u9644\u52a0\u503c\u7684VC\u884d\u751f\u7269\u6210\u4e3a\u8fd1\u5e74\u6765\u56fd\u5185\u5916\u5b66\u8005\u7814\u7a76\u7684\u70ed\u70b9\u3002<\/p>\n
\u7ef4\u751f\u7d20C\u8461\u8404\u7cd6\u82f7(ascorbyl glucoside)\uff0c\u5b66\u540d2-o-\u03b1-D-\u5421\u5583\u578b\u8461\u8404\u7cd6\u57fa-L-\u6297\u574f\u8840\u9178(2-O-\u03b1-D-glucopyranosyl-L-ascorbicacid,\u7f29\u5199\u4e3aAA2G)\uff0c\u662fVC\u7684\u4e00\u79cd\u884d\u751f\u7269,\u5176\u5206\u5b50\u5f0f\u4e3aC12<\/sub>H18<\/sub>O11<\/sub>\uff0c\u76f8\u5bf9\u5206\u5b50\u8d28\u91cf\u4e3a338.27,\u7194\u70b9\u4e3a158.5-159.5\u2103\u3002\u8be5\u5316\u5408\u7269\u4e8e1990\u5e74\u7531\u65e5\u672c\u6797\u539f\u751f\u7269\u5316\u5b66\u7814\u7a76\u6240\u4e0e\u65e5\u672c\u5188\u5c71\u5927\u5b66\u836f\u5b66\u7cfb\u5171\u540c\u7814\u7a76\u53d1\u73b0[1]<\/sup>\u3002AA2G\u662fVC\u548c\u5421\u5583\u578b\u8461\u8404\u7cd6\u82f7\u901a\u8fc7\u7cd6\u57fa\u8f6c\u79fb\u9176\u4f5c\u7528\u7684\u7f29\u5408\u7269,\u5176\u4e2dVC\u5206\u5b50\u4e0a2\u4f4dC\u4e0a\u7684\u7f9f\u57fa\u88ab\u5421\u5583\u578b\u8461\u8404\u7cd6\u82f7\u6240\u53d6\u4ee3\uff0c\u540e\u8005\u4ee5\u03b2-1,4-\u7cd6\u82f7\u952e\u8fde\u63a5(\u5982\u56fe)\u3002\u7531\u4e8e2\u4f4dC\u4e0a\u6709\u8461\u8404\u7cd6\u57fa\u63a9\u853d\uff0c\u56e0\u6b64AA2G\u5177\u6709\u663e\u8457\u7684\u975e\u8fd8\u539f\u6d3b\u6027\u3002<\/p>\n <\/p>\n AA2G\u7684\u7ed3\u6784\u7279\u5f81\u51b3\u5b9a\u4e86\u5b83\u5177\u6709\u5982\u4e0b\u51e0\u4e2a\u4e3b\u8981\u7279\u70b9\u4e0e\u529f\u80fd:<\/p>\n 1\uff09AA2G\u5177\u6709\u975e\u8fd8\u539f\u6d3b\u6027,\u4e0d\u6613\u53d1\u751f\u6c27\u5316\u53cd\u5e94,\u5728\u6c34\u6eb6\u6db2\u4e2d\u7279\u522b\u7a33\u5b9a\u3002<\/p>\n 2\uff09AA2G\u5177\u6709\u8f83\u597d\u7684\u8010\u5149\u6027\u548c\u8010\u70ed\u6027,\u5176\u5728100\u2103,30min\u7684\u52a0\u70ed\u6761\u4ef6\u4e0b\u4e5f\u4e0d\u5206\u89e3\u3002<\/p>\n 3\uff09\u8fdb\u5165\u7ec6\u80de\u7684AA2G,\u7ecf\u03b1-2-\u8461\u8404\u7cd6\u82f7\u9176\u6c34\u89e3\u751f\u6210VC\u548c\u8461\u8404\u7cd6,\u4e14\u5177\u6709\u540c\u539f\u59cbVC\u4e00\u6837\u7684\u8fd8\u539f\u6027\u548c\u6297\u6c27\u5316\u6027\u3002\u5e76\u4e14\u7531\u4e8eAA2G\u7684\u6301\u7eed\u5206\u89e3,\u53ef\u4e3a\u4f53\u5185\u4e0d\u65ad\u7684\u63d0\u4f9bVC,\u4fc3\u8fdb\u80f6\u539f\u86cb\u767d\u7684\u5f62\u6210,\u5177\u6709\u9632\u6b62\u76ae\u80a4\u8870\u8001\u7684\u529f\u80fd\u3002<\/p>\n \u76ee\u524d\uff0c\u56fd\u9645\u4e0a\u5e94\u7528\u4e8e\u7f8e\u767d\u5316\u5986\u54c1\u4e2d\u7684AA2G\u7edd\u5927\u90e8\u5206\u7531\u65e5\u672c\u6797\u539f\u56fd\u9645\u6709\u9650\u516c\u53f8\u63d0\u4f9b[3]<\/sup>\uff0c\u8be5\u516c\u53f8\u957f\u671f\u4ee5\u6765\u81f4\u529b\u4e8e\u8be5\u4ea7\u54c1\u7684\u7814\u7a76\u5f00\u53d1,\u6240\u751f\u4ea7\u7684AA2G\u4ea7\u54c1\u4e0d\u4ec5\u7eaf\u5ea6\u53ef\u8fbe99%\u4ee5\u4e0a,\u4e14\u4ea7\u91cf\u76f8\u5f53\u53ef\u89c2\uff0c\u5728\u5e02\u573a\u4e0a\u5360\u6709\u5784\u65ad\u7684\u5730\u4f4d\u3002\u76ee\u524d\u8be5\u516c\u53f8\u5bf9AA2G\u7684\u7814\u7a76\u4ecd\u5728\u4e0d\u65ad\u6df1\u5165,\u968f\u7740\u5176\u751f\u4ea7\u5404\u5de5\u827a\u7684\u4f18\u5316\u6539\u5584\uff0c\u8be5\u4ea7\u54c1\u7684\u6210\u672c\u4e0d\u65ad\u964d\u4f4e,\u9500\u552e\u4ef7\u683c(\u4eba\u6c11\u5e01)\u4e5f\u75318000\u5143\/kg\u964d\u81f3\u7ea63000\u5143\/kg\u3002\u8be5\u516c\u53f8\u5bf9AA22G\u7684\u5408\u6210\u4e0e\u751f\u4ea7\u6280\u672f\u4e0d\u65ad\u8fdb\u884c\u7814\u7a76\u5f00\u53d1\uff0c\u5e76\u7533\u62a5\u4e86\u82e5\u5e72\u76f8\u5173\u4e13\u5229\u52a0\u4ee5\u5546\u4e1a\u4fdd\u62a4[4]<\/sup>\u3002\u8fd1\u4e9b\u5e74,\u56fd\u5185\u516c\u53f8\u548c\u7814\u7a76\u8005\u4e5f\u5bf9AA2G\u751f\u7269\u5408\u6210\u6cd5\u8fdb\u884c\u7684\u521d\u6b65\u63a2\u7d22[5]<\/sup>\u3002\u4f46\u8fd8\u672a\u89c1\u5927\u91cf\u4f9b\u8d27\u7684\u4f9b\u5e94\u5546\u3002<\/p>\n <\/p>\n \u751f\u7269\u8f6c\u5316\u6cd5\u662f\u76ee\u524dAA2G\u5408\u6210\u7684\u552f\u4e00\u9014\u5f84,\u5373\u5229\u7528\u7cd6\u57fa\u8f6c\u79fb\u9176(saccharide-transferring enzyme)\u7684\u7279\u5f02\u6027\u8f6c\u7cd6\u57fa\u4f5c\u7528,\u5c06\u8461\u8404\u7cd6\u57fa\u4f9b\u4f53(\u9ea6\u82bd\u7cd6\u6216\u5176\u4ed6\u03b1-\u8461\u805a\u7cd6)\u4e0a\u7684\u8461\u8404\u7cd6\u82f7\u8f6c\u79fb\u5230VC\u76842\u4f4dC\u4e0a\u3002\u57fa\u672c\u5de5\u827a\u6d41\u7a0b\u5982\u4e0b\u56fe\u6240\u793a[6]<\/sup>\uff1a\u53cd\u5e94\u8fc7\u7a0b\u4e2d\uff0cVC\u76842\u4f4dC\u4e0a\u53ef\u80fd\u4f1a\u8fde\u63a5\u4e0a\u957f\u77ed\u4e0d\u4e00\u7684\u8461\u8404\u7cd6\u57fa\uff0c\u4ea7\u751f\u6df7\u5408\u7269AA2Gn(n=1,2,3,4,5,6),\u8fd9\u4e9b\u5be1\u805a\u7cd6\u57faVC\u884d\u751f\u7269\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u8461\u7cd6\u6dc0\u7c89\u9176\u51cf\u5c11\u7cd6\u7684\u805a\u5408\u5ea6\uff0c\u4f7f\u5be1\u805a\u7cd6\u57faVC\u884d\u751f\u7269\u8f6c\u53d8\u6210AA2G\u3002\u53e6\u5916\u5728\u7cd6\u57fa\u8f6c\u79fb\u53cd\u5e94\u4e2d,\u6613\u5f62\u6210AA2G\u7684\u7ed3\u6784\u5f02\u6784\u4f53AA5G,AA6G\u7b49\u526f\u4ea7\u7269;\u4e14VC\u548c\u8461\u8404\u7cd6\u57fa\u4f9b\u4f53\u5728\u53cd\u5e94\u540e\u4f1a\u6709\u6240\u5269\u4f59,\u56e0\u6b64\u7cd6\u57fa\u8f6c\u79fb\u53cd\u5e94\u7ed3\u675f\u540e\uff0c\u9700\u5bf9\u53cd\u5e94\u6db2\u8fdb\u884c\u5206\u79bb\u7eaf\u5316,\u6700\u540e\u901a\u8fc7\u7ed3\u6676\u7684\u65b9\u6cd5,\u5f97\u5230\u9ad8\u7eaf\u5ea6\u7684AA2G\u4ea7\u54c1\u3002<\/p>\n <\/p>\n<\/a><\/p>\n
\u529f\u80fd\u53ca\u4f18\u70b9<\/strong><\/h4>\n
<\/a>
\n<\/a>\u00a0 \u00a0 4)AA2G\u662f\u536b\u751f\u7f72\u516c\u5e03\u8ba4\u53ef\u76846\u79cd\u7f8e\u767d\u6dfb\u52a0\u5242\u4e4b\u4e00\u3002\u5b83\u53ef\u4ee5\u76f4\u63a5\u6392\u51fa\u8868\u76ae\u5c42\u4e2d\u5df2\u7ecf\u5f62\u6210\u7684\u9ed1\u8272\u7d20(\u5373\u5c06\u5df2\u5f62\u6210\u7684\u9ed1\u8272\u7d20\u52a0\u901f\u9006\u5411\u8fd8\u539f\u81f3\u6700\u521d\u5f62\u6001)[2]<\/sup>,\u7f8e\u767d\u6548\u679c\u6bd4\u5176\u4ed6\u6dfb\u52a0\u5242\u66f4\u52a0\u660e\u663e\u548c\u5feb\u901f,\u56e0\u6b64\u5728\u591a\u79cd\u9ad8\u7aef\u7f8e\u767d\u5316\u5986\u54c1\u4e2d\u90fd\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n<\/a><\/p>\n
\u5e02\u573a\u53ca\u524d\u666f<\/strong><\/h4>\n
\u5408\u6210\u65b9\u6cd5<\/strong><\/h4>\n
<\/a><\/p>\n
\u53c2\u8003\u6587\u732e\uff1a<\/strong><\/h4>\n
\n