نتایج جستجو برای: hydrolysis enzyme

تعداد نتایج: 271334  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2006
karamatollah rezaei feral temelli

enzyme efficiency was investigated in the lipase-catalyzed hydrolysis of canola oil in supercritical carbon dioxide (scco2). immobilized lipase from mucor miehie (lipozyme im) was used as the catalyst and the results showed that enzyme efficiency dropped at high pressures indicating a possible change in enzyme microstructure. therefore, scanning electron microscopy (sem) was used as a supplemen...

Journal: : 2022

Bioactive peptides showing Angiotensin-I-Converting Enzyme inhibitory (ACEi) activity can control blood pressure. They be produced from various protein sources, including fish gelatin. This article provides a systematic review and meta-analysis on gelatin extraction, conditions of enzymatic hydrolysis, characteristics ACEi peptides, effect hydrolysis procedure peptides. Fish preparation uses so...

Journal: :فرآوری و نگهداری مواد غذایی 0
علیرضا مهرگان نیکو دانشجوی کارشناسی ارشد گروه علوم و صنایع غذایی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان علیرضا صادقی ماهونک استادیار گروه علوم و صنایع غذایی دانشگاه علوم کشاورزی و منابع طبیعی گرگان محمد قربانی استادیار گروه علوم و صنایع غذایی دانشگاه علوم کشاورزی و منابع طبیعی گرگان علی طاهری استادیار گروه شیلات دانشگاه دریانوردی و علوم دریایی چابهار مهران اعلمی استادیار گروه علوم و صنایع غذایی دانشگاه علوم کشاورزی و منابع طبیعی گرگان

the objective of this study was to produce fish protein hydrolysate (fph) with the most antioxidant activity, by enzymatic hydrolysis from (carassius carassius). the protein of crucian carp a low value fish was hydrolyzed by alcalase 2.4l and the optimal hydrolysis parameters of strongest antioxidant capacity of peptides were obtained using response surface methodology (rsm) by the central rota...

Journal: :progress in biological sciences 2015
maryam parhamfar arastoo badoei-dalfard mouj khaleghi mehdi hassanshahian

microbial phytases were applied mainly to animal and human foodstuffs in order to improvemineral bioavailability and food processing. in addition, phytases have potentialbiotechnological application in various other fields, such as environmental protection,aquaculture and agriculture. bacillus sp. dm12, an isolate from a hot spring, produces phytase,which catalyzes the hydrolysis of phytic acid...

Journal: :بهره برداری و پرورش آبزیان 0
حجت میرصادقی کارشناس علیرضا عالی شاهی استادیار، گروه فرآوری محصولات شیلاتی، دانشکده شیلات، دانشگاه علوم کشاورزی و منابع طبیعی گرگان بهاره شعبانپور استاد، گروه فرآوری محصولات شیلاتی ، دانشکده شیلات، دانشگاه علوم کشاورزی و منابع طبیعی گرگان مریم صالحیان کارشناس آزمایشگاه میکروبی، دانشکده پزشکی، دانشگاه علوم پزشکی مازندران، ساری رضا صفری استادیار، پژوهشکده اکولوژی دریای خزر، ساری

by-product of fisheries processing plants applicable protein. in this study effect of papain (plant origin), trypsin, pepsin (animal), alkalaz, prvtamks, flavrzaym (microbial), and temperatures of 30, 60, 90, 120, 150, and 180 minutes on the hydrolysis of rainbow trout waste were examined. the recovered peptone in the media as a source of bacteria lactobacillus plantarum and aeromonas hydrophil...

Microbial phytases were applied mainly to animal and human foodstuffs in order to improvemineral bioavailability and food processing. In addition, phytases have potentialbiotechnological application in various other fields, such as environmental protection,aquaculture and agriculture. Bacillus sp. DM12, an isolate from a hot spring, produces phytase,which catalyzes the hydrolysis of phytic acid...

In this study, immobilization of partially purified almond (Amygdalus communis) β-galactosidase on Con A layered calcium alginate-cellulose beads was investigated. Immobilized β-galactosidase retained 72% of theinitial activity after crosslinking by glutaraldehyde. Both soluble and immobilized enzyme exhibited the samepH and temperature optima at pH 5.5 and 50ºC, respectively. Howev...

Journal: :Scientia Africana 2022

The use of plant waste product for maximum sustainability has led to the search bio based raw material such as Chlorella vulgaris which can make a tremendous contribution on ecological and economical production different organic acids like lactic acid. This study aimed evaluate enzymatic or acidic hydrolysis cell wall Intercellular starch source fermentable sugar acid production. Lactic was pro...

Journal: :Biochimica et biophysica acta 2004
Ming S Liu B D Todd Richard J Sadus

F(1)-ATPase catalyses ATP hydrolysis and converts the cellular chemical energy into mechanical rotation. The hydrolysis reaction in F(1)-ATPase does not follow the widely believed Michaelis-Menten mechanism. Instead, the hydrolysis mechanism behaves in an ATP-dependent manner. We develop a model for enzyme kinetics and hydrolysis cooperativity of F(1)-ATPase which involves the binding-state cha...

Journal: :The Journal of biological chemistry 1986
M Menashe G Romero R L Biltonen D Lichtenberg

The hydrolysis of small unilamellar vesicles made of dipalmitoylphosphatidylcoline by pancreatic phospholipase A2 has been studied under various conditions of temperature and enzyme and substrate concentration using the following three different experimental protocols. When the enzyme was added to the substrate vesicles after being separately adjusted to the temperature of the experiments hydro...

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