Results 21 to 30 of about 7,808 (255)

Screening of Producing Polyphenol Oxidase Strains from the Fermentation Process of Liupao Tea and Purification of Polyphenol Oxidase

Shipin gongye ke-ji, 2022
In this study, 42 strains of microorganisms were isolated by traditional culture methods from the fermentation process of Liupao tea. The agar plate screening and liquid culture second round of screening was used to select microorganisms from 42 strains ...
Jie WANG, Yulin HE, Jianwen TENG, Ning XIA, Baoyao WEI, Li HUANG   +5 more
doaj   +1 more source

Immobilization of Agaricus bisporus Polyphenol Oxidase 4 on mesoporous silica: Towards mimicking key enzymatic processes in peat soils [PDF]

, 2023
The use of immobilized enzyme-type biocatalysts to mimic specific processes in soil can be considered one of the most promising alternatives to overcome the difficulties behind the structural elucidation of riverine humic-derived iron-complexes.
Matthias Pretzler, Baeckmann, Cornelia von, Freddy Kleitz, Cornelia von Baeckmann, Iriarte-Mesa, Claudia, Pretzler, Matthias, Kleitz, Freddy, Kählig, Hanspeter, Claudia Iriarte-Mesa, von Baeckmann, Cornelia, Annette Rompel, Rompel, Annette, Regina Krachler, Krachler, Regina, Hanspeter Kählig   +14 more
core   +1 more source

MEKANISME INHIBISI ENZIM POLIFENOL OKSIDASE PADA SARI BUAH MARKISA DENGAN SISTEIN DAN ASAM ASKORBAT1

Jurnal Riset Kimia, 2015
The mechanism of polyphenol oxidase enzyme inhibition was studied by isolation of enzyme from the passion fruite juice (Passiflora Sp). The extracted enzyme polyphenol oxidase has an optimum activity at pH 5,6 and temperature of 300 C using a pirogalol ...
Elida Mardiah
doaj   +1 more source

Location of chlorogenic acid biosynthesis pathway and polyphenol oxidase genes in a new interspecific anchored linkage map of eggplant [PDF]

, 2014
© Gramazio et al.; licensee BioMed Central. 2014. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and ...
Gramazio, Pietro, Herraiz García, Francisco Javier, Meyer, R.M., Knapp, S., Vilanova, S, Sandra Knapp, Gramazio, P, Andujar, I, Meyer, RS, Elena Castillo, Prohens, J, Jaime Prohens, Mariola Plazas, Isabel Andújar, Vilanova Navarro, Santiago, Prohens Tomás, Jaime, Santiago Vilanova, Andújar Pérez, Isabel, Castillo Lorenzo, Elena, Knapp, S, Francisco Javier Herraiz, Rachel S Meyer, Plazas, M, Javier Herraiz, F, Pietro Gramazio, Plazas Ávila, María de la O, Castillo, E   +26 more
core   +1 more source

Ultraviolet Irradiation Effect on Apple Juice Bioactive Compounds during Shelf Storage

Foods, 2016
Clarified and standardized apple juice was ultraviolet-irradiated to inactivate polyphenol oxidase enzyme and microbiota, and its effect on bioactive compounds and stability during storage was also evaluated.
Edmundo Juarez-Enriquez, Ivan Salmerón, Nestor Gutierrez-Mendez, Enrique Ortega-Rivas   +3 more
doaj   +1 more source

Effect of antioxidants and pH on browning and firmness of minimally processed eggplant

Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 2020
Minimal processing of eggplant (Solanum melongena L.) generates loss of firmness and polyphenol oxidase catalyzes the oxidation of phenolic compounds producing enzymatic browning. The aim of this study was to evaluate the effect of 1% ascorbic acid and 2%
Diana P. USCANGA-SOSA, María B. PÉREZ-GAGO, Fernando C. GÓMEZ-MERINO, José A. HERRERA-CORREDOR, Aleida S. HERNÁNDEZ-CÁZARES, Adriana CONTRERAS-OLIVA   +5 more
doaj   +1 more source

Response of Black (Morus nigra), White and White Shahtoot (Morus alba) Mulberry Fruits to Ascorbic Acid Treatment and Drying Methods

مجلة ديالى للعلوم الزراعية, 2022
The drying process plays an important role in heat-sensitive product dehydration. This study was conducted to evaluate the response of three species of mulberry fruit (Morus nigra L. (Black mulberry), Morus alba L.
Dlkhwaz Ahmed Hama , Ali Muhi Aldeen Omar Aljabary , Alan Abdulrahman Othman , Huda Jamal Mhamad   +3 more
doaj   +1 more source

The impact of polyphenol-oxidase on the color of edible flowers: the case of anthocyanins [PDF]

, 2022
openNegli ultimi anni l'impiego dei fiori edibili da parte dei consumatori e dell'industria alimentare è in crescita. I fiori commestibili possono essere consumati direttamente, utilizzati come guarnizione nei piatti, conservati o trasformati.
STERLE, NICOLA
core  

Role of Certain Elicitors on the Chemical Induction of Resistance in Tomato against the Leaf Caterpillar Spodoptera litura Fab.

Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 2008
Mill. The four presumptive defenses manipulated were protinase inhibitors, polyphenol oxidase, peroxidase and lipoxygenase. The elicitors used were jasmonic acid (JA), salicylic acid (SA) and PGPR Pseudomonas aeruginosa.
M. MELVIN JOE, N. MUTHUKUMARAN
doaj   +1 more source

EFFECT OF POLYAMINES PRETREATMENTS ON THE ACTIVITY OF ANTIOXIDANT ENZYMES IN SALT STRESSED WHEAT PLANTS [PDF]

Journal of Plant Production, 2010
A pot experiment was conducted to study the effect of polyamines pretreatments, putrescine (2, 4, 6, 8 &10  mM) or spermine (  2,4, 6,8 & 10 mM),on the activity of  catalas, peroxidase, and polyphenol oxidase in salt stressed wheat plants.
Abeer Mohamed, Eglal G., Fawzia Ebad
doaj   +1 more source