Differences between muscles in concentrations of proximate composition, minerals, cholesterol, amino acids, fatty acids and vitamins for the Infraspinatus (IS), Triceps brachii (TB), Longissimus thoraces (LT), Biceps femoris (BF), Semitendinosus (ST) and Semimembranosus (SM) muscles of 9 bactrian camels (2–3 years of age) were investigated. The composition of lean bactrian camel was shown to be highly desirable with a high nutrient density for many nutrients. Although lean meat samples from six muscles were similar in most nutrients detected, several significant differences were found. LT muscle had significantly higher dry matter and fat% than other muscles. The IS and LT muscles had significantly (P<0.05) higher cholesterol levels than TB, BF, ST and SM muscles. Concentrations of Myristic (C14: 0), Palmitic (C16: 0), Palmitoleic (C16: 1) and Oleic acids (C18: 1n9) were significantly (P<0.05) different between muscles. The LT muscle contained a significantly lower proportion of mono-unsaturated fatty acids than other muscles. The ratio of polyunsaturated to saturated fatty acids, which ranged from 0.40 to 0.50, was ≥ the minimum ratio of 0.40 recommended to reduce the risk of coronary diseases in humans. The amino acids and vitamin composition were similar for meat sample from six muscles. Consuming 150 to 200 g of camel meat will cover the daily requirement for an adult man weighing 70 kg for essential amino acids. This information on the nutritional value of camel meat is of great importance for promotion of the product.
1 April 2017 in OnLine Journal of Biological Sciences
Casein proteins of camel milk were obtained from skimmed milk by sedimentation (pH 4.6) at 24°C. To sediment proteins from mare milk, pH was increased to 4.6 and milk was centrifuged at 45,000 rpm for 30 minutes at 4°C. The supernatant obtained after centrifugation was heated up to 30°C for further fractionation of whey proteins. The sedimented casein from camel and mare milk was cleaned with chromatography. Casein fractions were analyzed with the use of electrophoresis based on SDS-Na polyacrylamide. This analysis showed the presence of α- , β- and κ-caseins, as well as fractions of whey proteins, such as α-lactalbumin and β-lactoglobulin in various types of milk and fermented products. Comparative study by the content of protein component of the casein complex in camel milk showed the following: αs-casein 31.5%, β-casein 64.5%, κ-casein 4%, in cow milk 40.12%, 24.28%, 27.93%, respectively and γ-casein amounts to 7.67%.
Raw meat is characterized by various natural cellular processes that lead to its chemical content alteration. The purpose of the present study is to evaluate autolysis induced histologic alterations in skeletal muscle tissue of cow elk. On this study the authors used skeletal muscle tissue of 2-year-old cow elk. The tissue was sampled from m. quadriceps femoris. The study results showed that in 48 hours post mortem linear striation in muscle tissues was expressed. But 72 hours post mortem the integrity of muscle fibers degraded and they became inconsistently stained. The obtained data showed that post mortem alterations were characterized by significant degradation and separation of muscle fibers and nuclei and nuclear structures lysis.
28 June 2023 in The Journal of Almaty Technological University
Modern problems of the food industry in Kazakhstan are considered. To solve these problems, a recipe for new meat chopped semi-finished products using dietary fiber has been developed. The analysis of physical and chemical indicators of samples of cutlets for fast food presented on the market of Kazakhstan was carried out. When comparing the mass fractions of protein in semi-finished meat products, an increase in the amount of protein was revealed when soy texturate has added. The relevance of the scientific article is that the meat industry is considered a strategic direction of the agricultural sector of the economy of the Republic of Kazakhstan, which is part of the food security system. One of the main tasks set before the researcher was to choose the best proportion of soy texturate in the minced meat semi-finished product. The article provides an organoleptic evaluation of the control and experimental samples, on the basis of which a choice was made regarding the percentage of replacement of minced meat with soy texturate.
Apple pomace, a byproduct of juice production, is a sustainable source of dietary fiber and polyphenols with potential in food systems. This study aimed to systematically review 69 articles and perform a meta-analysis on 17 experimental studies to quantify the impact of AP on meat products. Using a random-effects model (Inverse Variance method; I2 = 99–100%), mean differences (MD) and 95% confidence intervals (CI) were calculated. Results revealed that AP significantly increased total dietary fiber (MD = 1.84; p < 0.00001) and reduced pH (MD = −0.18; p < 0.00001). Regarding color, AP significantly decreased redness (a*) (MD = −1.47; p < 0.005) but had no significant impact on lightness (L*) (MD = 0.34; p = 0.70) or yellowness (b*) (MD = −1.32; p = 0.08). Sensitivity analysis confirmed the robustness of these trends across diverse meat matrices. Despite high statistical heterogeneity, the consistent direction of effect provides high certainty of evidence. Findings suggest that inclusion levels exceeding 10% may increase variability and adversely affect redness and acidity. In conclusion, AP is a promising functional ingredient for sustainable, fiber-enriched meat products. However, a successful application requires optimizing inclusion levels to balance technological performance with consumer acceptance.