Results 81 to 90 of about 2,050 (137)

Effect of Sulphite and UHT Sterilization Parameters in the Coconut Water Quality

open access: yesChemical Engineering Transactions, 2015
Coconut water (Cocus nucifera L.) has been widely exploited in recent years, with the UHT sterilization process (Ultra High Temperature) as the greatest economic impact for this sector.
N.R. Sucupira   +4 more
doaj   +1 more source

Polyphenoloxidase from the peel of the mango fruit (Mangifera indica).

open access: yes, 1977
Polyphenoloxidase isolated from the mango fruit peel in (i) preclimacteric and (ii) climacteric stages was purified 50-fold by alcohol precipation and DEAE cellulose column.
Patwardhan, M. V., Venkaiah, B.
core   +1 more source

Uso do ácido ascórbico no controle do escurecimento do pericarpo de lichia Use of ascorbic acid in the control of browning in the pericarp of lychees

open access: yesRevista Brasileira de Fruticultura, 2010
Um dos maiores problemas na pós-colheita da lichia é o escurecimento do pericarpo, o qual tem sido atribuído à degradação da antocianina. O objetivo do trabalho foi avaliar o efeito de diferentes doses de ácido ascórbico na prevenção do escurecimento do ...
Danieele Fabíola Pereira da Silva   +3 more
doaj  

Use of Phenols, Peroxidase and Polyphenoloxidase of Seed to Quantify Resistance of Cotton Genotypes to Damping-off Incited by Fusarium oxysporum [PDF]

open access: yesJournal of Stress Physiology & Biochemistry, 2014
A greenhouse test was conducted in 2011 and 2012 growing seasons at Giza Agricultural Research Station to evaluate the reaction of six cotton genotypes to damping-off incited by Fusarium oxysporum. Damping-off incidence on the genotypes ranged from 70-88%
Heba I. Mohamed   +2 more
doaj  

Effects of some termal treatments on polyphenoloxidase and peroxidase activities of banana (Musa cavensdishii, var Enana)

open access: yes, 2015
Polyphenoloxidase (EC 1.14.18.1) and peroxidase (EC 1.11.1.7) activities were evaluated during cold storage of banana (Musa cavendishii, L var enana).
Cano, M. Pilar   +2 more
core   +1 more source

Investigating the effect of microfluidization and ultrasonication on the ascorbic acid concentration of orange juice [PDF]

open access: yes, 2012
The aim of this study was to determine the effect of microfluidization and ultrasonication processing techniques used in the industrial mercantile on the ascorbic acid concentration of orange juice.
Küçükoğlu, Tan
core   +1 more source

VARIATION OF b-1,3-GLUCANASE, CHITINASE AND POLYPHENOLOXIDASE ACTIVITIES IN CACAO PODS UPON Phytophthora megakarya INOCULATION

open access: yes, 2003
Cacao (Theobroma cacao   L.) clones that differ in susceptibility to black pod disease were analysed for response to stress induced by pod inoculation with the fungus Phytophthora megakarya   Braz. Et Griff.
D. J. Nankeu   +3 more
core   +2 more sources

Polyphenoloxidase activity in peaches after vibration Atividade de polifenoloxidase em pêssegos após vibração

open access: yesEngenharia Agrícola, 2013
The vibration during transportation is one of the main causes of fruit damage. The actual methodologies used for damage evaluation in fruits seem to be subjective, since most of them are based on visual evaluation.
Tiago B. H. Dantas   +3 more
doaj  

[Behavior of polyphenoloxidases in food].

open access: yesArchivos latinoamericanos de nutricion, 1985
One of the problems in the handling and processing of various kinds of fruits, is the enzymatic and nonenzymatic browning. The polyphenoloxidases are strictly related with the first aspect, needing therefore, more attention from the scientists and food industries.
openaire   +1 more source

EPR spectroscopy of dog-rose polyphenoloxidase

open access: yes, 1997
Polyphenoloxidase(PPO) of dog-rose fruit was extracted and purified through (NH4)(2)SO4 precipitation and dialysis. The optimum conditions for this purpose, i.e., pH and temperature, were determined with 4-methylcatechol optimum pH and temperature and ...
YOGURTCU, YK   +5 more
core  

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