EPR study of radicals generated in starch by microwaves or by conventional heating

Starch/Staerke

Volumn 59, Issue 7, 2007, Pages 318-325

  Dyrek, Krystyna ^a   Bidzinska, Ewa ^a   ŁAbanowska, Maria ^a   Fortuna, Teresa ^b   Przetaczek, Izabela ^b   Pietrzyk, Stawomir ^b  

^a JAGIELLONIAN UNIVERSITY   (Poland)

^b UNIVERSITY OF AGRICULTURE IN KRAKOW   (Poland)

Author keywords

Conventional heating; EPR spectroscopy; Microwaves; Radicals

Indexed keywords

DECAY (ORGANIC); ELECTRON SPIN RESONANCE SPECTROSCOPY; FREE RADICALS; GLUCOSE; HEATING; LOW TEMPERATURE EFFECTS; MICROWAVES;

CARBON RADICALS; CONVENTIONAL HEATING; NUCLEAR SPIN; OXIDIZED STARCH;

STARCH;

EID: 34547472567     PISSN: 00389056     EISSN: 1521379X     Source Type: Journal    
DOI: 10.1002/star.200600581     Document Type: Article

References (21)

1. R. M. George, S. A. Burnett: General guidelines for microwaveable products. Food Control 1991, 1, 35-43.
2. K. Surówka: Mroz̀one i chłodzone dania gotowe przystosowane do ogrzewania mikrofalowego. Chłodnictwo 1994, 29, 17-23 (in Polish).
3. P. Tomasik, M. F. Zaranylka: Nonconventional methods of modification of starch. Adv. Carbohydr. Chem. Biochem. 1995, 51, 243-320.
4. C. Muzimbaranda, P. Tomasik: Microwaves in physical and chemical modifications of starch. Starch/Stärke 1994, 46, 469-474.
5. K. Adamic, R. Blinc: EMR study of irradiated starch. Proc. Colloq. Ampere 1967, 14, 780-785; 1968, Chem. Abstr. 69: 112030 r.
6. J. J. Raffi, J. P. Agnel: Influence of the physical structure of irradiated starches on their electron spin resonance spectra kinetics. J. Phys. Chem. 1983, 87, 2369-2373.
7. A. C. Bertolini, C. Mestres, P. Colonna, J. J. Raffi: Free radical formation in UV and gamma-irradiated cassava starch. Carbohydr. Polym. 2001, 44, 269-271.
8. B. J. Zylema, J. A. Grider, J. Gordon, E. A. Davis: Model wheat starch systems heated by microwave irradiation and conduction with equalized heating times. Cereal Chem. 1985, 62, 447-453.
9. P. Forssell, A. Hamunen, K. Autio, T. Suortti, K. Poutanen: Hypochlorite oxidation of barley and potato starch. Starch/Stärke 1995, 47, 371-377.
10. ISO standard 11214, Modified Starch - Determination of Carboxyl Group Content of Oxidized Starch. 1996.
11. K. Dyrek, A. Madej, E. Mazur, A. Rokosz: Standards for EPR measurements of spin concentration. Colloids Surf. 1990, 45, 135-144.
12. K. Dyrek, A. Rokosz, A. Madej: Spin dosimetry in catalysis research. Appl. Magn. Reson. 1994, 6, 309-332.
13. G. P. Lozos, B. M. Hoffman, C. G. Franz: SIM 14 Program, Chemistry Department, Northwestern University IL, QCPE, No 265.
14. M. Kuzuya, Y. Yamauchi, S-I. Kondo: Mechanolysis of glucose-based polysaccharides as studied by Electron Spin Resonance. J. Phys. Chem. B 1999, 103, 8051-8059.
15. C. C. Lee, I. S. Bhardwaj: Kinetic studies with electron paramagnetic resonance absorption. On the disappearance of radicalas trapped in gamma-irradiated flour. Cereal Chem. 1964, 41, 87-97.
16. C. C. Lee, C. Chen: Disappearance of radicals trapped in gamma-irradiated starch and gluten. Cereal Chem. 1965, 42, 573-576.
17. P. Tomasik M. Pałasiński, S. Wiejak: The thermal decomposition of carbohydrates. Part I. The decomposition of mono-, di-, and oligo-saccharides. Adv. Carbohydr. Chem Biochem. 1989, 47, 203-278.
18. Part II. The decomposition of starch, ibid., 1989, 47, 279-344.
19. P. Tomasik, J. Jane: Reaction of starch and cellulose with products of thermal decomposition of mono- and di-saccharides. Starch/Stärke 1995, 47, 24-29.
20. W. Ciesielski, P. Tomasik: Starch radicals. Part I. Thermolysis of plain starch. Carbohydr. Polym. 1997, 31, 205-210.
21. J. E. Wertz, J. R. Bolton: Electron Spin Resonance. Elementary Theory and Practical Applications, Chapman and Hall, New York - London, 1986.