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GSH-OEt¹ºÂòµÄ»°£¬SIGMAÊÇ600¶àÔª25mg,1860Ôª500mg,ÉÔ¹ó¡£ ÒÔÏÂΪÆä¼ò±ãºÏ³É·½·¨¡£ ÔÀ´¿´µ½ÓÐÈËÔÚÇóÖú£¬GSH-OEtÄÄÀïÂò£¿»òÕß˵ÔõôºÏ³É¡£ ºÏ³É¹ý³ÌÈçÏ£¬ºÍ´ó¼Ò·ÖÏí¡£ A freshly prepared solution of hydrogen chloride (16 g, 0.45 mol) in 250 ml of anhydrous ethanol was cooled to 20¡ãC in an ice bath, and 20 g (65 mmol) of glutathione was added and dissolved by gentle shaking. The mixture was allowed to stand at 20¡ãC for 2.5 h, during which time the progress of the reaction was followed by thin-layer chromatography (see Materials and Methods). The solution was then cooled to 0¡ãC and 1.8 liter of ice-cold, dry diethyl ether was added. The precipitate which formed was allowed to settle for l- 3 h at 0¡ãC. The ether was decanted and the precipitate was washed twice with 500 ml of ice-cold ether. The product, after drying in vacua over CaClz and KOH, was obtained in 98% yield. The content of glutathione monoethyl ester found on amino acid analysis (see Materials and Methods) varied from 90 to 98%; the other components were glutathione and glutathione diethyl ester. The preparations obtained typically contained O-5% glutathione. ÎÄÏ× Glutathione monoethyl ester: Preparation, uptake by tissues, and conversion to glutathione Archives of biochemistry and biophysics 1985 Jun 239(2):538-48. |
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3Â¥2015-10-03 12:48:43
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4Â¥2015-10-05 23:17:00
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5Â¥2015-10-07 08:43:37
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6Â¥2015-10-07 19:04:45
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