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w słowach kluczowych: Gliocladium virens

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Polyphenol oxidase from Gliocladium virens

100%

Halasinska A. G., Trzcinska M., Sieliwanowicz B.

Polish Journal of Food and Nutrition Sciences

2001

tom 10

nr 1

Polyphenol oxidase (PPO) was obtained after 48-h cultivation of G. virens in modified Czapek-Dox liquid medium with 2% starch as carbon source. The optimum pH and temperature of PPO was 6.0 and 35°C, respectively. At 30°C, the enzyme activity remained unchanged for 6 h, whereas at 35°C and 40°C it lost half of the activity after 3.5 h and 20 min, respectively. The molecular weight of PPO, determined on a basis of native electrophoresis, was 50 kDa. The enzyme showed the greatest affinity towards syringaldazine, also oxidising chlorogenic acid, gallic acid, (-)epicatechin, ( + )catechin, catechol, and phloridzin. PPO from G. virens oxidised the phenolic compounds present in apple juice and ascorbic acid was strong inhibitor of this reaction. The anti-oxidant properties of apple juice were shown to decrease to a small degree and only temporarily due to the oxidation by PPO from G. virens.

Sekrecyjna oksydaza polifenolowa z Gliocladium virens

72%

Trzcinska M., Czykiel E., Sieliwanowicz B.

Prace Instytutów i Laboratoriów Badawczych Przemysłu Spożywczego

1996

tom 51

58-66

Protection of natural composite against mould fungi

58%

Foksowicz-Flaczyk J., Walentowska J., Bujnowicz K., Korol J.

Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology

2013

tom 81

Ograniczanie wyników

1 Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology

1 Polish Journal of Food and Nutrition Sciences

1 Prace Instytutów i Laboratoriów Badawczych Przemysłu Spożywczego

2 Sieliwanowicz B.

2 Trzcinska M.

1 Bujnowicz K.

1 Czykiel E.

1 Foksowicz-Flaczyk J.

1 Halasinska A. G.

1 Korol J.

1 Walentowska J.

1 2013

1 2001

1 1996

Wyniki wyszukiwania

Polyphenol oxidase from Gliocladium virens

Sekrecyjna oksydaza polifenolowa z Gliocladium virens

Protection of natural composite against mould fungi