Partial Purification, Characterization, and Histochemical Localization of Fully Latent Desert Truffle (Terfezia ClaveryiChatin) Polyphenol Oxidase

2001 ◽  
Vol 49 (4) ◽  
pp. 1922-1927 ◽  
Author(s):  
M. Pérez-Gilabert ◽  
A. Morte ◽  
M. Honrubia ◽  
F. García-Carmona
Keyword(s):  
Polyphenol Oxidase ◽  
Histochemical Localization ◽  
Partial Purification ◽  
Desert Truffle

Characterization and Histochemical Localization of Nonspecific Esterase from Ascocarps of Desert Truffle (Terfezia claveryiChatin)

2005 ◽  
Vol 53 (14) ◽  
pp. 5754-5759 ◽  
Author(s):  
Manuela Pérez-Gilabert ◽  
Asunción Morte ◽  
Rizette Ávila-González ◽  
Francisco García-Carmona
Keyword(s):  
Histochemical Localization ◽  
Nonspecific Esterase ◽  
Desert Truffle

Partial purification of soluble potato polyphenol oxidase by partitioning in an aqueous two-phase system

1993 ◽  
Vol 41 (8) ◽  
pp. 1219-1224 ◽  
Author(s):  
Alvaro. Sanchez-Ferrer ◽  
Francisco. Laveda ◽  
Francisco. Garcia-Carmona
Keyword(s):  
Polyphenol Oxidase ◽  
Partial Purification ◽  
Phase System ◽  
Two Phase ◽  
Aqueous Two Phase System

Partial Purification and Characterization of Latent Polyphenol Oxidase in Iceberg Lettuce (LactucasativaL.)

1996 ◽  
Vol 44 (4) ◽  
pp. 984-988 ◽  
Author(s):  
Soledad Chazarra ◽  
Juana Cabanes ◽  
Josefa Escribano ◽  
Francisco Garcia-Carmona
Keyword(s):  
Polyphenol Oxidase ◽  
Partial Purification ◽  
Purification And Characterization ◽  
Iceberg Lettuce

scholarly journals Histochemical Localization and Developmental Expression of Peroxidase and Polyphenol Oxidase in Strawberries

2001 ◽  
Vol 126 (1) ◽  
pp. 27-32 ◽  
Author(s):  
M. López-Serrano ◽  
A. Ros Barceló
Keyword(s):  
Polyphenol Oxidase ◽  
Color Stability ◽  
Developmental Expression ◽  
Oxidative Enzymes ◽  
Histochemical Localization ◽  
Vascular Bundles ◽  
Browning Reaction ◽  
Complementary Pattern ◽  
Pigment Stability ◽  
Ripe Stage

Levels and histochemical localization of peroxidase and polyphenol oxidase, and levels of anthocyanins and (+)-catechin, were studied in fruit of two strawberry (Fragaria ×ananassa Duch.) cultivars (`Oso Grande' and `Chandler'), which show different degrees of susceptibility to enzymatic browning after processing. Although the levels of anthocyanins at the processing-ripe stage may be important in determining pigment stability, and therefore market suitability, the color stability of `Chandler' is apparently determined by the lower endogenous levels of peroxidase and polyphenol oxidase in the processing-ripe stage, which are also accompanied by a lower (+)-catechin content. Polyphenol oxidase was localized almost exclusively in the cortex and to a lesser extent in the pith, showing a complementary pattern to that shown by peroxidase, which was localized in the vascular bundles. Since peroxidase and polyphenol oxidase showed a complementary localization pattern in the fruit, these results strongly suggest a synergic role for these two oxidative enzymes in pigment decay and the associated browning reaction, which occurs in processed strawberry fruit and their derived foods.

Partial Purification of Latent Persimmon Fruit Polyphenol Oxidase

2003 ◽  
Vol 51 (7) ◽  
pp. 2058-2063 ◽  
Author(s):  
Estrella Núñez-Delicado ◽  
M. Mar Sojo ◽  
Francisco García-Carmona ◽  
Alvaro Sánchez-Ferrer
Keyword(s):  
Polyphenol Oxidase ◽  
Partial Purification ◽  
Persimmon Fruit

Partial Purification and Characterization of Polyphenol Oxidase Isozymes in Banana Bud

1992 ◽  
Vol 56 (7) ◽  
pp. 1027-1030 ◽  
Author(s):  
Kazuko Ôba ◽  
Norio Iwatsuki ◽  
Ikuzo Uritani ◽  
Angelina M. Alvarez ◽  
Virgilio V. Garcia
Keyword(s):  
Polyphenol Oxidase ◽  
Partial Purification ◽  
Purification And Characterization

Partial Purification and Characterization of Polyphenol Oxidase from Banana (Musa sapientumL.) Peel

2001 ◽  
Vol 49 (3) ◽  
pp. 1446-1449 ◽  
Author(s):  
Chang-Peng Yang ◽  
Shuji Fujita ◽  
Koei Kohno ◽  
Akiko Kusubayashi ◽  
MD. Ashrafuzzaman ◽  
...  
Keyword(s):  
Polyphenol Oxidase ◽  
Partial Purification ◽  
Purification And Characterization
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