Results 1 to 10 of about 1,069 (177)

Inhibition Mechanism of Chitooligosaccharide-Polyphenol Conjugates toward Polyphenoloxidase from Shrimp Cephalothorax [PDF]

open access: yesMolecules, 2023
Crustaceans are perishable with a short shelf-life. They are prone to deterioration after capture, particularly during handling, processing, and storage due to melanosis caused by polyphenoloxidase (PPO).
Ajay Mittal   +4 more
doaj   +2 more sources

Impact of Ethanolic Thai Indigenous Leaf Extracts on Melanosis Prevention and Shelf-Life Extension of Refrigerated Pacific White Shrimp [PDF]

open access: yesFoods, 2023
Shrimp has been known for its delicacy, but it undergoes rapid deterioration induced by biochemical and microbiological reactions. Melanosis is a major cause of discoloration associated with consumer rejection.
Abubakar Saleh Ahmad   +5 more
doaj   +2 more sources

Positive Influences of Ohmicsonication on Phytochemical Profile and Storage Stability of Not-from-Concentrate Mango Juice [PDF]

open access: yesMolecules, 2022
Processing technique and storage conditions are the main factors that affect the phytochemical profile of Not-from-Concentrate (NFC) juice, which could decrease the nutritional and bioactive properties of the corresponding juice.
Tarek Gamal Abedelmaksoud   +6 more
doaj   +2 more sources

Polyphenoloxidase from Amasya Apple

open access: yesJournal of Food Science, 1995
ABSTRACT Polyphenoloxidase (PPO) of Amasya apple was partially purified by (NH 4 ) 2 SO 4 precipitation and dialysis. The sample was used for characterization of the PPO. Optimum pH were 7.0, 9.0,
Ismail Kocaçalişkan
exaly   +5 more sources

Effect of Different Dried Methods and Storage on Some Enzymes Activity and Quality of Cactus pear and Papaya [PDF]

open access: yesArab Universities Journal of Agricultural Sciences, 2021
This study was to evaluate the activity of peroxidase, polyphenoloxidase, pectin methyl esterase and protease as well as the proximate chemical composition and quality parameters of cactus pear and papaya which were dried by different methods and stored ...
Marwa Abdel-Hady   +3 more
doaj   +1 more source

Characterisation of ‘Starking’ apple polyphenoloxidase [PDF]

open access: yesJournal of the Science of Food and Agriculture, 1998
Experiments were performed to optimise the extraction conditions of 'Starking' apple fruit polyphenoloxidase (PPO), to evaluate the affinity and specificity towards several substrates and to study the stability of enzyme extracts from apple samples stored under different conditions.
Rocha, Ada   +3 more
openaire   +6 more sources

Effect of Postharvest UV-C Radiation on Nutritional Quality, Oxidation and Enzymatic Browning of Stored Mature Date

open access: yesApplied Sciences, 2022
The effect of three doses of UV-C radiation (1, 3 and 6 kJ m−2) on conservation potential after harvest of the Deglet-Nour date for five months of storage at 10 °C was studied.
Saliha Dassamiour   +9 more
doaj   +1 more source

REACTION OF SOME GRAIN SORGHUM CULTIVARS TO DOWNY MILDEW DISEASE INFECTION CAUSED BY Peronosclerospora sorghi . [PDF]

open access: yesJournal of Plant Protection and Pathology, 2010
This work was carried out in disease nursery at Gemmeiza  Agricultural  Research Station, El-Gharbeia Governorate, Egypt in 2009 and 2010 growing seasons. Five grain sorghum cultivars i.e. Isis, Horas, Zosar, Giza 15 and Giza 113 were evaluated for downy
H. Awad, M. Sadoma, A El-Sayed
doaj   +1 more source

Variation of polyphenoloxidase in phenanthrene-degrading and other aromatic compounds-degrading bacteria

open access: yes浙江大学学报. 农业与生命科学版, 2006
Effects of phenanthrene on phenol oxidase of Sphingomonas paucimobilis ZX4 were dealed with by measuring polyphenoloxidase activity and PAGE combined with enzyme activity staining phenol oxidase.
LI Na   +4 more
doaj   +1 more source

Alterações pós-colheita da "fruta-de-lobo" (Solanum lycocarpum St. Hil.) durante o amadurecimento: análises físico-químicas, químicas e enzimáticas Postharvest changes of "fruta-de-lobo" (Solanum lycocarpum St. Hil.) during the ripening process: physical-chemical, chemical and enzymatic analysis

open access: yesRevista Brasileira de Fruticultura, 2004
Estudaram-se, neste trabalho, algumas modificações físico-químicas, químicas e enzimáticas, em pós-colheita, durante o amadurecimento da fruta-de-lobo, comparando-as com as de outros frutos.
Enio Nazaré de Oliveira Junior   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy