書誌事項
- タイトル別名
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- Oxidation of Linoleic Acid Catalyzed by Soybean Lipoxygenase I (Optimum pH 9, 0) in Hexane-Water Biphasic System
- ヘキサン ミズ 2ソウケイ デ ノ ダイズ リポキシゲナーゼ 1 シテキ pH
- Appearance of the Enzyme Activity by Chemical Modification and Addition of Modified Bovine Serum Albumin
- 化学修飾及び修飾した牛血清アルブミンの添加による活性発現
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抄録
The oxidation of linoleic acid catalyzed by soybean lipoxygenase (LG) I (optimum pH9.0) in a hexane-water biphasic system was studied in response to chemical modification and the use of additives. The amino groups on LG I were acylated by N-acyloxysuccinimides (1) in a phoshate buffer. The modified LG I showed enzyme activity in the biphasic system. In the unmodified form, this activity was slight due to its lack of stability. Efficiency of the modifier for bringing about activity increased with CN (carbon nunber of acyl group) in (1). On the other hand, stability decreased with increasing CN in the modifier. The addition of BSA modified by (1) (CN=6 and 8) also elicited activity in the biphasic system, while additives such as BSA, casein and NaCl had no significant effect. <BR>Based on these observations, a mechanism for the occurrence of LG activity in the biphasic system is proposed and discussed.
収録刊行物
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- 油化学
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油化学 36 (10), 783-790, 1987
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390282680312198400
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- NII論文ID
- 130001019954
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- NII書誌ID
- AN00245435
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- ISSN
- 0513398X
- 18842003
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- NDL書誌ID
- 3157185
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可