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1. Qualitative Comparison Of Yoghurt Prepared From Conventional And Probiotic Culture

by Muhammad Ali | Prof. Dr. Muhammad Ayaz | Mr. Muhammad Junaid | Mr. Nisar.

Material type: book Book; Format: print Publisher: 2013Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 1626,T] (1).

2. Isolation And Molecular Identification Of Enterotoxigenic Escherichia Coli Strains Isolated From Raw And Pasteurized Milk

by Rahman Ullah | Dr. Imran Javed | Mr. Muhammad Junaid | Prof. Dr.

Material type: book Book; Format: print Publisher: 2013Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 1816,T] (1).

3. Development And Evaluation Of Mozzarella Cheese Influenced By Type Of Starter Culture And Fat Content Of Milk

by Imran Taj Khan (2013-VA-866) | Mr. Muhammad Junaid | Dr. Muhammad Ayaz | Mr. Muhammad Saadullah.

Material type: book Book; Literary form: not fiction Publisher: 2015Dissertation note: Pakistan is the 4th largest milk producing country in the world having 50.99 million tons/year in which buffalo and cow add 61% and 35% share, respectively to total milk production in Pakistan, while the rest 5% of the total milk is contributed by other species like small ruminants and camel. Out of the total produced milk only 7-8% of the milk is processed and passes via milk supply chain while the remaining is distributed as raw milk (GOP, 2013-14). Processing of milk into cheese is a small segment in Pakistan, moreover the eating habits are not developed in Pakistani population along with the increase in price of local as well as imported cheese. The manufacturing of cheese is one of the best examples of preserving milk, dating back from 6000-7000 BC till now. Cheese like other value added dairy products are among the highly nutritious diet of the world. Cheese comes in great variety of tastes and flavors, in a wide array of shapes, and are highly healthful and nutrimental (Walstra et al. 2006). The utilization of cheese in the form of pizza garnishes, cheese mixes, salads, sandwiches, stuffing has expanded because of dietary resemblance, ease and extensibility being used and cheese quality (Fox et al. 2000). Cheese manufacturing is increasing worldwide at the rate of 4.9% every year (Valhovic et al. 2014). Cheese is the value added dairy product acquired by the seepage (of fluid) after coagulation of milk proteins through utilization of rennet and starter. Cheese is a mainstream nourishment because of its differing qualities in application, wholesome quality, accommodation and appealing taste. The assorted qualities are because of an expanding information of the innovation of cheese making and the natural chemistry and microbiology of cheese maturing (Sulieman et al. 2013). There are 500–800 assortments of cheese accessible in the universal business sector (Razzaq, 2003). Mozzarella cheese is placed in the group of “Pasta filata” or stretched cheeses. Stretching is a treatment that gives the curd elasticity which is a dominating functional characteristic of Mozzarella cheese. Melting and stretching are the most important characteristics of Mozzarella cheese which is highly acknowledged in the making of Pizza as it is a chief ingredient (Owni et al. 2009). Mozzarella cheese is a standout amongst the most prominent cheese varieties on the planet, in light of its essential use in the pizza topping (Kindstedt et al., 2004). The funtional attributes of Mozzarella cheese like shape, composition, meltability, stretchbility and color are changed by the components like milk composition, culture source or type and maturing environment dominating in the midst of the cheese availability (Luecy et al. 2003). Mozzarella cheese is produced utilizing a paired lactic acid bacteria starter cultures of Streptococcus salvarius ssp. thermophilus and Lactobacillus delbrueckii ssp.bulgaricus (Ahmed et al. 2011). At a certain point, Mozzarella was made just from water buffalo milk. Presently, it is normally produced using milk of bovine, goat and sheep. There are two types of Mozzarella cheese; i.e. regular Mozzarella which is accessible in low-fat and nonfat structures and has a semi-delicate in texture, versatile composition and is drier than fresh Mozzarella while, Fresh Mozzarella is produced using entire drain and has a gentler texture and sweet pleasing flavor and is commonly pressed in water or whey (Ibrahim, 2003). Mozzarella cheese also has numerous therapeutical advantages; it is a decent wellspring of protein, vitamins and minerals. Utilization of Mozzarella cheese may secure against gout, an agonizing condition that outcomes in the development of uric acid stones in the joints. The calcium found in Mozzarella cheese additionally has its commitment in body weight reduction and gives insurance against breast tumor and metabolic disorder, which is a gathering of conditions that build the danger of creating cardiovascular disease or stroke (Ibrahim, 2003). Low fat Mozzarella cheese is a nice wellspring of protein and calcium, furthermore it is non calorie-dense and less in saturated fat, which can prevent from cardiovascular illness, type 2 diabetes, joint inflammation, and memory loss, also block weight reduction endeavors upon consumption. Eating low fat ("part-skim") or fat-free Mozzarella cheese is an extraordinary approach to gain by its alimental advantages while minimizing unfortunate additional items. The calcium in Mozzarella cheese aides keep up healthy pulse rate and blood pressure (Bauer, 2014). Mozzarella cheese production in the country in demand based being its most use in the pizza sector while its limited use as fresh product. Moreover the industry is using commercial imported culture for production of this cheese. The high price of the culture is one of the factor in the high price of the final product. Therefore the present study was designed with an objective to utilize the local culture for production of Mozzarella cheese. The idea was to maintain the quality of product at its higher regime. Furthermore its quality attributes were compared with the standard cheese produced from commercial culture. In addition the effect of change in fat level of milk on the quality and overall acceptability of the produced Mozzarella cheese was assessed. Availability: Items available for loan: UVAS Library [Call number: 2266-T] (1).

4. Effect of aqueous date palm (Phoenix dactylifera L.) fruit extract on antioxidant characteristics of ice cream

by Nadeem Abbas (2008-VA-412) | Dr. Muhammad Nadeem | Mr. Muhammad Junaid | Dr.Shahid Mehmood.

Material type: book Book; Format: print ; Literary form: not fiction Publisher: 2017Dissertation note: The application of antioxidants extracted by the organic solvents have limited applications in foods due to their toxicity. Most of the antioxidants of date palm fruit (Phoenix dactylifera L.) are soluble in water. Antioxidant activity of water soluble natural antioxidants of date palm fruit using ice cream as an oxidation substrate has not been studied previously. This study has been planned with the objective to study the antioxidant characteristics and oxidative stability of ice supplemented with aqueous date palm fruit extract. Date palm fruit extract were prepared by extracting 20 g date with 100 ml distilled water, followed by concentration and filtration. Ice cream were supplemented with date palm fruit extract at 200, 400, 600, 800 ppm and tertiary butylated hydroxy quinone 200 ppm concentrations. Ice cream were filled in plastic cups and stored at -18oC for 60 days. Antioxidant characterization of date palm fruit extract was performed by yotal phenolic contents, DPPH free radical scavenging activity. Oxidative stability of ice cream was determined by peroxide value, anisidine value, changes in fatty acid profile sensory evaluation were performed at 0, 30 and 60 days of storage period. Date palm fruit extract was characterized for antioxidant capacity, total phenolic contents of date palm fruit extract were 7.51% (GAE).DPPH free radical scavenging activity of date palm fruit extract was 78.8% as compared to 80.5%. Supplementation of ice cream with date palm fruit extract did not have any significant impact on fat, protein and total solids content. Results indicated that peroxide value increased during the storage of 60 days in all the treatments and control. Rise in peroxide value was strongly correlated with the addition and dose of date palm fruit extract. Control had the highest peroxide value, followed by T1, T2, T3 and T4. Peroxide value of control and ice cream samples added with TBHQ (200 ppm) were not different from each other (p<0.05). After 60 days of storage, anisidine value of control, T1, T2, T3, T4 and TBHQ added samples were 13.62, 10.58, 8.49, 7.36, 6.89 and 6.39, respectively.Flavor score of control, T1, T2, T3, T4 and TBHQ added ice cream were 8.2, 8.1, 8.0, 8.0, 8.1 and 8.2. Date palm fruit extract 600 and 800 ppm can be sued for the long term stabilization of ice cream. Availability: Items available for loan: UVAS Library [Call number: 2862-T] (1).

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