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Zhengyu Wen et al.
Frontiers in plant science, 13, 830147-830147 (2022-03-05)
Biofortification of cereal grains offers a lasting solution to combat micronutrient deficiency in developing countries where it poses developmental risks to children. Breeding efforts thus far have been directed toward increasing the grain concentrations of iron (Fe) and zinc (Zn)
Ping Yu et al.
BMC biotechnology, 13, 78-78 (2013-10-01)
Phytic acid and phytates can interact with biomolecules, such as proteins and carbohydrates, and are anti-nutritional factors found in food and feed. Therefore, it is necessary to remove these compounds in food and feed processing. Phytase can hydrolyze phytic acid
Maren M Fischer et al.
International journal of food microbiology, 190, 54-60 (2014-09-03)
Ethiopian injera, a soft pancake, baked from fermented batter, is preferentially prepared from tef (Eragrostis tef) flour. The phytic acid (PA) content of tef is high and is only partly degraded during the fermentation step. PA chelates with iron and
The effect of fruit extracts with polyphenol oxidase (PPO) activity on the in vitro accessibility of iron in high-tannin sorghum
Matuschek, E. and Svanberg, U.
Food Chemistry, 90(4), 765-771 (2005)
Ivo M Rodrigues et al.
Journal of the science of food and agriculture, 97(8), 2641-2646 (2016-10-16)
Rapeseed meal is a good source of high-quality vegetal protein but contains antinutritional compounds that limit its use for human and animal feed. The aim of this study was to develop a methodology to enhance alkaline protein extraction of rapeseed
Myoinositol polyphosphate intermediates in the dephosphorylation of phytic acid by phytase.
R V TOMLINSON et al.
Biochemistry, 1, 166-171 (1962-01-01)
D M Paiva et al.
Poultry science, 92(12), 3125-3133 (2013-11-16)
The objective of this study was to determine the influence of Ca source [highly soluble calcified seaweed (HSC) or limestone], phytase supplementation, and dietary levels of Ca on bird performance and mineral digestibility (Ca and P) during a necrotic enteritis
Z Li et al.
Letters in applied microbiology, 59(6), 615-620 (2014-08-26)
Cysteine phytase is the main phytate-degrading enzyme of ruminant animals. To explore the genetic diversity and dynamic expression profile of cysteine phytase in sheep rumen during a feeding cycle, four transcript (0, 4, 9 and 16 h after feeding) and one
C L Walk et al.
Poultry science, 93(5), 1172-1177 (2014-05-06)
An experiment was conducted to evaluate the influence of a novel microbial phytase on performance, tibia ash, and the content of phytate, phytate esters, and inositol in the gizzard of young broilers. Male Cobb 500 broilers (n = 1,680) were
K Zyła et al.
Poultry science, 92(1), 199-204 (2012-12-18)
The effects of feeding low nonphytate phosphorus (NPP) corn-soybean meal-based diets supplemented with myo-inositol at 0.1%, or with phytase B at 1,300 acid phosphatase units/kg, or with phytase B enriched in 6-phytase A at 300 phytase units/kg on the hematological
C Q Gao et al.
Poultry science, 92(11), 2923-2929 (2013-10-19)
The residual activities of transgenic corn-derived and 2 commercial microbial phytases (PA and PB) along the gastrointestinal tract (GIT) of laying hens were compared to evaluate their relative resistance to hydrolysis in the GIT when added to P-deficient diets. The
Moushree Pal Roy et al.
Indian journal of biochemistry & biophysics, 49(4), 266-271 (2012-10-20)
Phytases catalyze the release of phosphate from phytic acid. In this study, a phytase producing bacterial strain Shigella sp. CD2 was isolated from the wheat rhizosphere. Phytase production started from the exponential phase of bacterial growth, showing the highest activity
Yan Liao et al.
Applied biochemistry and biotechnology, 171(4), 900-915 (2013-08-03)
Aspergillus niger phytase (PhyA) has been used as a feed supplement to improve the bioavailability of phytate phosphorus to swine and poultry. However, it is unable to maintain its stability due to high temperature during the feed pelleting process. In
Patrick Bennett et al.
Biotechnology progress, 28(5), 1263-1270 (2012-08-01)
Water addition to the solid substrate preceding autoclaving increased substrate porosity and phytase production in solid state fermentation. In comparison with dry sterilization, the phytase activity increased 6-, 8.5-, and 10-fold when the autoclaving time was 20, 40, and 60
Elsa Arcalis et al.
Plant molecular biology, 83(1-2), 105-117 (2013-04-05)
Many plant-based systems have been developed as bioreactors to produce recombinant proteins. The choice of system for large-scale production depends on its intrinsic expression efficiency and its propensity for scale-up, post-harvest storage and downstream processing. Factors that must be considered
Liyan Chen et al.
Journal of the science of food and agriculture, 94(1), 113-118 (2013-05-02)
Phytic acid of soy meal (SM) could influence protein and important mineral digestion of monogastric animals. Aspergillus oryzae (ATCC 9362) solid-state fermentation was applied to degrade phytic acid in SM. Two-stage temperature fermentation protocol was investigated to increase the degradation
Liwei Liu et al.
Zebrafish, 10(3), 433-438 (2013-06-25)
The present study was to evaluate the effects of neutral phytase supplementation on growth performance, survival ratio (SR), body lipid, brood amount, and rearing environment in zebrafish. The control diet was not supplemented phytase, and three levels of phytase (500
[Preparation and characterization of bacilli with inactivated phytase gene].
A D Mukhametzianova et al.
Mikrobiologiia, 82(1), 52-58 (2013-05-31)
Carolina D Duarte et al.
Chembiochem : a European journal of chemical biology, 11(18), 2543-2548 (2010-11-19)
myo-Inositol trispyrophosphate (ITPP), a novel membrane-permeant allosteric effector of hemoglobin (Hb), enhances the regulated oxygen release capacity of red blood cells, thus counteracting the effects of hypoxia in diseases such as cancer and cardiovascular ailments. ITPP-induced shifting of the oxygen-hemoglobin
[Microorganisms as phytase producers].
A D Mukhametzianova et al.
Mikrobiologiia, 81(3), 291-300 (2012-08-14)
Jianfeng Liu et al.
Indian journal of biochemistry & biophysics, 49(4), 250-256 (2012-10-20)
To evaluate and characterize the stability of traits conferred by phyA from Aspergillus ficuum, we examined expression of phyA in sexually-derived transgenic cotton progeny and assessed the capacity for phytate-utilization in T4 progeny. The gene (phyA) was expressed only in
Fermentation and enzyme treatment of tannin sorghum gruels: effects on phenolic compounds, phytate and in vitro accessible iron.
Towo, E., et al.
Food Chemistry, 94 (3), 369-376 (2006)
Sarah M Brejnholt et al.
Journal of the science of food and agriculture, 91(8), 1398-1405 (2011-03-10)
Phytases increase utilization of phytate phosphorus in feed. Since wheat is rich in endogenous phytase activity it was examined whether wheat phytases could improve phytate degradation compared to microbial phytases. Moreover, it was investigated whether enzymatic degradation of phytate is
Ming-Ze Yao et al.
Biotechnology letters, 35(10), 1669-1676 (2013-06-25)
A codon-optimized Escherichia coli appA phytase gene was synthesized and expressed in Pichia pastoris. Two residue substitutions (Q258N, Q349N) were sequentially introduced to enhance its glycosylation activity. Secretion of appA-Q258N/Q349N was approx. 0.3 mg ml(-1) and enzyme activity reached 1,030
The phytase of wheat.
F G PEERS
The Biochemical journal, 53(1), 102-110 (1953-01-01)
E Delezie et al.
Poultry science, 91(10), 2523-2531 (2012-09-20)
The objective was to determine the effect of calcium (Ca), total phosphorus (Ptot), cholecalciferol, and phytase level in the diet on the performance, tibia ash percentage, and Ca and P retention in broilers until slaughter age. Broilers were randomly assigned
Carlo Giuseppe Rizzello et al.
International journal of food microbiology, 180, 78-87 (2014-05-06)
This study aimed at investigating the addition of legume (chickpea, lentil and bean) flours to wheat flour bread. Type I sourdough containing legumes or wheat-legume flours were prepared and propagated (back slopped) in laboratory, according to traditional protocols that are
Ameny Farhat-Khemakhem et al.
International journal of biological macromolecules, 54, 9-15 (2012-11-28)
We have previously cloned and characterized the thermostable phytase (PHY US417) from Bacillus subtilis US417. It differs with PhyC from B. subtilis VTTE-68013 by the R257P substitution. PHY US417 was shown to be more thermostable than PhyC. To elucidate the
C L Walk et al.
Poultry science, 91(9), 2255-2263 (2012-08-23)
An experiment was conducted to evaluate the influence of a highly soluble Ca (HSC) source on performance, bone ash and mineralization, and apparent ileal digestibility of Ca, P, N, and energy in Ross 708 broiler chickens. Dietary Ca was supplied
X Rousseau et al.
Poultry science, 91(11), 2829-2837 (2012-10-24)
A decrease in dietary P, especially in finishing broilers (21 to 38 d old), is a crucial issue in poultry production from an environmental and economic point of view. Nevertheless, P must be considered together with other dietary components such
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