Solubilisation of protein fractions induced by Escherichia coli phytase and its effects on in vitro fish digestion of plant proteins

Morales, Gabriel Alejandro; Rodrigáñez, M. Sáenz de; Márquez, Lorenzo; Díaz, Manuel; Moyano, Francisco Javier

doi:10.1016/j.anifeedsci.2013.02.004

Cited by 27 publications

(21 citation statements)

References 40 publications

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“…Protein hydrolysis combined with the utilization of phytic acid resulted in a statistically significant increase in the FAN concentration in the mashes at subsequent hours of fermentation indicating an increased availability of the proteins susceptible to proteolysis, which were released from phytic complexes. Similar results reported by Morales et al [10] confirm that phytase has a positive effect on the availability of amino acids. Depending on the plant material used, the application of phytase resulted in an increase of FAN concentration, as compared to the control, by ca.…”

Section: 2supporting

confidence: 92%

“…Studies of the influence of phytate hydrolysis on the availability of biogenic compounds in fodder showed unequivocally that phytase improved the digestibility of the animal feed. It was demonstrated that the supplementation of animal diet with phytase increased the availability of phosphorus to livestock [10,11]. Moreover, it was shown that utilization of phytic acid in the plant material improved the availability of proteins susceptible to hydrolysis as well as particular amino acids such as arginine, histidine, leucine, isoleucine, lysine, methionine, phenylalanine, threonine, valine, serine and glycine [12e14].…”

Section: Introductionmentioning

confidence: 99%

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Influence of phytase and supportive enzymes applied during high gravity mash preparation on the improvement of technological indicators of the alcoholic fermentation process

Mikulski

Kłosowski

Rolbiecka

2015

Biomass and Bioenergy

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Section: 2supporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Influence of phytase and supportive enzymes applied during high gravity mash preparation on the improvement of technological indicators of the alcoholic fermentation process

Mikulski

Kłosowski

Rolbiecka

2015

Biomass and Bioenergy

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“…This can be explained by the disruption effect of the phytase on inositol phosphate–mineral complexes present naturally in plant ingredients (Morales et al . ). The observed increase in Zn ADC related to phytase inclusion (from 20.5% to 32.6%) was not reflected in the body content or retention of this mineral.…”

Section: Discussionmentioning

confidence: 97%

Phytase and sodium diformate supplementation in a plant-based diet improves protein and mineral utilization in rainbow trout (Oncorhynchus mykiss)

et al. 2015

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A basal isonitrogenous and isoenergetic plant-based diet (Control) was supplemented with either 10 g kg À1 sodium diformate (NaDF), 4000 FTU kg À1 phytase (Phy) or a combination of both additives (NaDF + Phy). Three hundred juvenile rainbow trout with an average weight of 120 g were randomly distributed into 12 fibreglass tanks (300 L). After 65 days of trial, fish fed diets containing phytase, NaDF or the combination of both additives showed a higher growth rate (P < 0.05) compared to fish fed Control diet. NaDF increased feed intake (P = 0.032), while phytase inclusion resulted in a better feed conversion ratio (P < 0.0001) and a higher N retention efficiency (P = 0.02) compared with the Control. Apparent digestibility of P, Ca, Mg and Zn was improved by the use of phytase (P < 0.005) as well as P, Ca and Mg retention efficiency in fish (P < 0.0001). Using 4000 FTU kg À1 phytase in plant-based diets resulted in a 13% and 50% reduction in N and P loadings, respectively. The use of NaDF in combination with phytase in a plant-based diet for rainbow trout resulted in a higher weight gain than that when NaDF was used alone.

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“…Several studies have been published on digestibility of CGM indicating good results for inclusion levels below 40% of the dietary protein for different species of fish (Alliot, Pastoreaud, Pelaez, & Metailler, 1979;Davies, Williamson, Robinson, & Bateson, 1989). Digestibility of CGM is high, generally, with reported values of 95% and 96% for carp and trout respectively (Pongmaneerat & Watanabe, 1991;Morales, Saenz, Márquez, Díaz, & Moyano, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Hussain¹,

Ahmad²,

Javid³

et al. 2018

Turk. J. Fish. Aquat. Sci.

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Phytic acid is a major part of oilseed meals which reduces bioavailability of minerals and protein to fish. The present research project was planned to check the effects of citric acid and phytase supplementation in corn gluten (30%) meal-based diets, on mineral digestibility of Cirrhinus mrigala fingerlings. The diets were formulated to supply adequate levels of all required nutrients for normal fish growth. Feces were collected twice a day from each tank. Effect of each treatment on the minerals digestibility was calculated using standard formulae. Highest apparent digestibility coefficient % of minerals (Calcium 68%, Phosphorus 77%, Sodium 64%, Potassium 62%, Magnesium 53%, Iron 64%, Copper 68%, Manganese 67% and Zinc 74%) was observed in the fish fed at 5% citric acid and 500 FTUkg -1 phytase in corn gluten (30%) meal-based diet. Results of the current study indicated that addition of 5% citric acid and 500 FTUkg -1 phytase to corn gluten (30%) mealbased diet was most effective among the levels to release the chelated minerals to Cirrhinus mrigala from phytate complexes. Hence, the use of citric acid (5%) and phytase (500 FTUkg -1 ) improves the fish performance when both were used in corn gluten (30%) meal-based diets.

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Solubilisation of protein fractions induced by Escherichia coli phytase and its effects on in vitro fish digestion of plant proteins

Cited by 27 publications

References 40 publications

Influence of phytase and supportive enzymes applied during high gravity mash preparation on the improvement of technological indicators of the alcoholic fermentation process

Influence of phytase and supportive enzymes applied during high gravity mash preparation on the improvement of technological indicators of the alcoholic fermentation process

Phytase and sodium diformate supplementation in a plant-based diet improves protein and mineral utilization in rainbow trout (Oncorhynchus mykiss)

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