マイクロ波加熱法によるデキストランの酸加水分解 The Acid Hydrolysis
Contents
1. I 0 5 12. a a IDX 1 1 1 1 1 2 2 1 WM W 50 000 70 0000 CI 2 2 2M HC1 10ml 0 05 g IDX I
3. 25 pp 20 24 1997 2 10 pp 96 98 1986 3 M Matsuo Biosci Biotech Biochem Vol 61 pp 1968 1972 1997 4 10 729 734 2005 5 H Yu S Chen P Suree R Nuansuri and K Wang Effect of Mncrowave Irradiation on Acid Catalyzed Hydrolysis of Starch J Org Chem Vol 61 pp 9608 9609 1996 6 CI 7 A Corsaro V Pistara and GRomeo assisted Chemistry of Carbohydrates Cur Org Chem Vol 8 No 6 pp 511 338 2004 8 Vol 41 No 7 p 621 630 1995 Microwave
4. 17 5 5 A 22 5 B 22 5 80 CMVe 57 8 5 Ob 1I 2 06 4
5. 19 http bigjohn fukui nct ac jp journal VC 4
6. I 300W 80 100 120 40 50 min 4 4 CL LAF CE 6 HPLC 5 80 2 http bigjohn fukui nct ac jp Ournal 5 10 15 20 30 min 5 HPLC A B
7. 1 1 300W 95 5 2 SU eR 0 05g 2M HC1 10m1 1 2 95C 2 2 3 2 3 1 CI CH 201 3ml 37C 5 505nm 2 3
8. CH 100 200 300 400 mg dI 500 600 3 CI 2 3 2 HPLC 2M HC1 ml 2M NaOH 100z 1 HPLC HPLC TSKgel gw M 0 5m1 min RI 3 4
9. 80 100 J Technology and Education Vol 15 No 1 2008 4 I 40W NC EEO GS
10. J Technology and Education Vol 15 No 1 2008 J Technology and Education Vol 15 No 1 pp 19 22 2008 510 0294 hshimo mse suzuka ct ac jp 510 0293 1001 The Acid Hydrolysis of Dextran in Microwave Irradiation Hiroshi SHIMOFURUYA Kazuma MATSUL Keisuke MAEDA Yoshihiko KUNIEDA Yasuyuki IAKAGI IKuo HAYASHI and Ikukatsu SUZUKI Department of Materials Science and Engineering Suzuka National College of Technology Shiroko cho Suzuka shi Mie 5100294 Japan Department of Clinical Nutrition Faculty of Health Science Suzuka University of Medical Science Kishioka cho Suzuka shi Mie 5100293 Japan Received April 30 2008 Accepted May 14 2008 ABSTRACT Recently there has been growing interest in applying microwave heating to rapid thermal digestion In this study dextran dissolved in diluted hydrochloric acid was hydrolyzed by two methods i e microwave irradiation and traditional conventional heating The hydrolysis of dextran to glucose was monitored u
11. sing the enzyme coupled method which combines the reactions of glucose oxidase and peroxidase and high performance liquid chromatography With microwave irradiation soluble dextran was converted to glucose in 80 min of heating whereas 100 min of heating was required for conventional heating to achieve the same result The completeness of dextran hydrolysis was confirmed by HPLC analysis As a result it was shown that soluble dextran was hydrolyzed by microwave irradiation in 80 min On the other hand the reaction solution in conventional heating became slightly colored with the formation of byproducts In contrast no formation of colored byproducts was observed under microwave irradiation Keyword Dextran Hydrolysis Microwave heating 1 1 3
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