@article{oai:fukuyama-u.repo.nii.ac.jp:00008542,
 author = {安楽, 誠 and 河野, 陽介 and 甲斐, 俊哉 and 鶴崎, 泰史 and 山崎, 啓之 and 小田切, 優樹},
 issue = {26},
 journal = {福山大学薬学部研究年報, Annual report of the Faculty of Pharmacy & Pharmaceutical Sciences, Fukuyama University},
 month = {Dec},
 note = {Sodium octanoate (Oct) and N-acetyl-l-tryptophanate (N-AcTrp) are widely used as stabilizers during the pasteurization of albumin products. However, N-AcTrp has a possible side effect of intracerebral disease. To provide safe and risk-free albumin products, we validated N-acetyl-methioninate (N-AcMet) as a new stabilizer for albumin products. The effect of N-AcMet on oxidation was examined using 2,2'-azobis(2-amidino-propane) dihydrochloride (AAPH) as an oxidizing agent. Carbonyl content in the presence of N-AcMet, as well as that in the presence of N-AcTrp after 24h (Anraku et al., 2004), was significantly decreased. The effect of AAPH on the oxidative status of 34-Cys on human serum albumin was also studied by HPLC. It was found that N-AcMet as well as N-AcTrp, has a large protective effect on the sulfhydryl group after 1h. Further, N-AcMet was found to be a superior radical scavenger to N-AcTrp using 1,1'-diphenyl-2-picrylhydrazyl (DPPH) radicals. The thermal stabilizing role of N-AcMet manifested as an increase in denaturation temperature and calorimetric enthalpy, as determined by differential scanning calorimetry (DSC). In the present study, we suggest that use of N-AcMet in albumin preparation is safe and free of risk of side effects., Sodium octanoate (Oct) and N-acetyl-l-tryptophanate (N-AcTrp) are widely used as stabilizers during the pasteurization of albumin products. However, N-AcTrp has a possible side effect of intracerebral disease. To provide safe and risk-free albumin products, we validated N-acetyl-methioninate (N-AcMet) as a new stabilizer for albumin products. The effect of N-AcMet on oxidation was examined using 2,2'-azobis(2-amidino-propane) dihydrochloride (AAPH) as an oxidizing agent. Carbonyl content in the presence of N-AcMet, as well as that in the presence of N-AcTrp after 24h (Anraku et al., 2004), was significantly decreased. The effect of AAPH on the oxidative status of 34-Cys on human serum albumin was also studied by HPLC. It was found that N-AcMet as well as N-AcTrp, has a large protective effect on the sulfhydryl group after 1h. Further, N-AcMet was found to be a superior radical scavenger to N-AcTrp using 1,1'-diphenyl-2-picrylhydrazyl (DPPH) radicals. The thermal stabilizing role of N-AcMet manifested as an increase in denaturation temperature and calorimetric enthalpy, as determined by differential scanning calorimetry (DSC). In the present study, we suggest that use of N-AcMet in albumin preparation is safe and free of risk of side effects.},
 pages = {59--59},
 title = {アルブミン製剤におけるＮ－アセチル－メチオニンの新規添加剤としての役割(発表論文抄録(2007))},
 year = {2008}
}