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Effect of soy protein supplementation on the quality of ripening Cheddar-type cheese 总被引:2,自引:0,他引:2
The impact of soy protein isolate on the proteolysis and organoleptic properties of Cheddar-type cheese during ripening was studied. Cheese was prepared from cow's milk (control) and cow's milk plus soy protein isolate by using a starter culture of Streptococcus thermophilus and Lactobacillus delbrueckii subsp . bulgaricus, and then ripened at 12 ± 1°C for 3 and 5 months. The molecular weight range and peptide fraction in the cheeses were determined by high-performance liquid chromatography (HPLC), and the microstructure was observed by scanning electron microscopy (SEM). Sensory evaluation was used to compare the flavour, body, texture and appearance of the cheeses. The results show that the molecular weight range (9924–9966 Da) in the control cheese was larger than that (6954–6957 Da) in the soy protein-treated cheese and the microstructure in the latter was less compact than in the control cheese. In the sensory evaluation, higher scores were given for some experimental cheese than the control cheese. After 5 months of ripening, the organoleptic properties of the cheese had markedly improved and no bitter off-flavour was detected in the treated cheeses. It was concluded that soy protein could be used to improve the quality of cheese and the addition of 5% soy protein isolate could be recommended for improving the flavour and texture of Cheddar-type soy supplemented cheese. 相似文献
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OMNEYA MOHAMED EL-HUSSAINI MOHAMED ABD EL-HAKAM MAHDY 《Mineral Processing and Extractive Metallurgy Review》2013,34(2):633-650
Abstract The niobium-tantalum ore material obtained from Ras Baroud locality in the central Eastern Desert of Egypt, consists mainly of two minerals namely: columbite and alvarolite. The extractive separation of niobium(V) and tantalum(V) from the acid media HF-HNO3or HF-H2SO4 have been worked out using methyl isobutyl ketone (MIBK) as an extractant. The extraction system HF-H2SO4-MIBK proved to have the most promising separation effect with the highest purity of each niobium and tantalum oxides. The optimum loading conditions in HF-H2SO4-MIBK system were: O/A = 10/1.15 minutes contact time, 100% MIBK. while the feed solution assayed 4.3 N HF and 5.7 N H2SO4. Moreover, the stripping process was performed with 1.0 N HF and distilled water in subsequent steps. 相似文献
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HASSAN A. AL-KAHTANI HAMZA M. ABU-TARBOUSH ADNAN S. BAJABER MOHAMED ATIA ATIF A. ABOU-ARAB MOHAMED A. EL-MOJADDIDI 《Journal of food science》1996,61(4):729-733
Influence of gamma irradiation (1.5–10 kGy) and post-irradiation storage up to 20 days at 2 ± 2°C on some chemical criteria of tilapia and Spanish mackerel were studied. Total volatile basic nitrogen formation was lower in irradiated fish than in the unirradiated. Irradiation also caused a larger increase in thiobarbituric acid values which continued gradually during storage. Some fatty acids decreased by irradiation treatments at all doses. Thiamin loss was more severe at higher doses (≥4.5 kGy), whereas riboflavin was not affected. Alpha and gamma tocopherols of tilapia and alpha, beta, gamma, and delta tocopherols, in Spanish mackerel, decreased with increased dose and continued to decrease during 20-day post-irradiation storage. 相似文献
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In order to improve the performance of fault independent test generation algorithms, two strategies are proposed: a critical lines maximization strategy (CLM) and a critical primary inputs flipping strategy (CPF). CLM is used to maximize the number of detected faults while generating a test pattern. CPF is used to derive new test pattern(s) from a generated test pattern with little additional effort. A new fault independent test generation algorithm (MAX) based on these strategies is introduced and illustrated. 相似文献
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OMNEYA MOHAMED EL-HUSSAINI MOHAMED ABD EL-HAKAM MAHDY 《Mineral Processing and Extractive Metallurgy Review》2013,34(4-6):633-650
The niobium–tantalum ore material obtained from Ras Baroud locality in the central Eastern Desert of Egypt, consists mainly of two minerals namely: columbite and alvarolite. The extractive separation of niobium(V) and tantalum(V) from the acid media HF–HNO3 or HF–H2SO4 have been worked out using methyl isobutyl ketone (MIBK) as an extractant. 相似文献
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Tarek A ATIA 《Biocell》2019,43(4):253-262
Recurring miscarriage (RM) is a frustrating reproductive complication with variable etiology. Numerousgenetic defects have been known to play a crucial role in the etiology of RM. Chromosomal abnormalities arefrequently detected, while other genetic defects cannot be diagnosed through routine research, such as crypticchromosomal anomalies, single nucleotide polymorphism, single-gene defect, and gene copy number variation.Diagnostic laboratories have recently used variable advanced techniques to detect potential genetic abnormalities incouples with RM and/or in products of conception. Here we aim to summarize the known genetic causes of RM, witha focus on the new diagnostic techniques. Knowledge of the genetic profile of miscarriages is important for prognosisand potential counseling planning, as well as the prenatal diagnostic strategy in subsequent pregnancies. 相似文献
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