Background: Potentially, pâtés could be a functional food and are an important source of proteins, vitamin A, B complex vitamins and iron. Unfortunately, one problem in pâtés is the high level of animal fat, about 30%. Pâté with low-fat guinea fowl meat and animal fat replaced with inulin can result in this product being classified as a pro-health food. The objective of the present study was to determine the effect on pâté with guinea fowl meat of reducing its pork back fat content (about 1/3, 2/3 and 100%) and the adding inulin as a partial fat substitute. The effects on the pâté's chemical and physicochemical composition, as well as on its textural characteristics and sensory properties were analysed.
Methods: On the day after production, the following took place: chemical analysis: cooking loss, moisture, protein, total fat, total calories, the pH, lipid oxidation were analysed; physical analysis: colour parameters, texture profile analysis and sensory evaluation were analysed.
Results: The pâté prepared with inulin gels as fat replacers had a fat content reduced (up to 82%), and decreased (up to 58%) energy value. The fat reduction and addition of inulin gels decreased hardness and chewiness, but the pâté's appearance, taste and odour, as well as overall quality were similar to the control (full-fat samples).
Conclusions: The study demonstrated that inulin can be used in guinea fowl pâtés as a total fat replacer and a potential source of prebiotic.
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http://dx.doi.org/10.17306/J.AFS.2016.3.30 | DOI Listing |
Hemoglobin
September 2024
Department of Chemistry, University of Ibadan, Ibadan, Nigeria.
In a previously reported equilibrium study of the reaction of 5,5'-dithiobis(2-nitrobenzoate), DTNB, with various carbonmonoxyhemoglobins over the pH range 5.6 to 9, we obtained contradictory results on the influence of the allosteric effector inositol hexakisphosphate (inositol-P) on the DTNB reaction. For this reason, we replaced the carbonmonoxyhemoglobins with oxyhemoglobins and investigated the effect of inositol-P on the equilibrium and of their reactions with DTNB over the same pH range.
View Article and Find Full Text PDFBiochem Genet
November 2024
Institute of Natural and Applied Sciences, Akdeniz University, 07059, Konyaalti/Antalya, Turkey.
The procurement of blood and tissue samples for DNA extraction in avian species intended for molecular studies is associated with the induction of discomfort and pain in the subjects, compounded by practical challenges in application and ethical considerations. Consequently, feathers have emerged as a more prevalent source for molecular investigations, particularly in the fields of poultry and ornithology. However, the effective extraction of DNA from feathers necessitates the breakdown of the hard keratinized tissue within the feather structure.
View Article and Find Full Text PDFVet Med Sci
November 2024
School of Veterinary Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.
Front Microbiol
October 2024
China Animal Health and Epidemiology Center, Qingdao, China.
J Exp Biol
November 2024
Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ 86011, USA.
Traditional work loop studies, that use sinusoidal length trajectories with constant frequencies, lack the complexities of in vivo muscle mechanics observed in modern studies. This study refines methodology of the 'avatar' method (a modified work loop) to infer in vivo muscle mechanics using ex vivo experiments with mouse extensor digitorum longus (EDL) muscles. The 'avatar' method involves using EDL muscles to replicate in vivo time-varying force, as demonstrated by previous studies focusing on guinea fowl lateral gastrocnemius (LG).
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