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Parbhani, India

Vasantrao Naik Marathwada Agricultural University is an agricultural university at Parbhani in the Indian state of Maharashtra. It was established on May 18, 1972. The objectives of the university are education in agriculture and allied science, research based on regional needs and facilitate technology transfer, etc. It is the only agricultural university in India where all the branches of Agricultural science are taught.Funded and regulated by the Government of India, VNMAU is headed by professors Uday Khodke, Smita Khodke, Naadre, Srinivasan, Ramdas Bhattachary, Shinde, Laad, Solanki, Sawte, Visala Patnam and others. Wikipedia.

Mundada M.,Sant Longowal Institute of Engineering And Technology | Hathan B.S.,Sant Longowal Institute of Engineering And Technology | Maske S.,Marathwada Agricultural University
Journal of Food Science

The mass transfer kinetics during osmotic dehydration of pomegranate arils in osmotic solution of sucrose was studied to increase palatability and shelf life of arils. The freezing of the whole pomegranate at -18 °C was carried out prior to osmotic dehydration to increase the permeability of the outer cellular layer of the arils. The osmotic solution concentrations used were 40, 50, 60°Bx, osmotic solution temperatures were 35, 45, 55 °C. The fruit to solution ratio was kept 1:4 (w/w) during all the experiments and the process duration varied from 0 to 240 min. Azuara model and Peleg model were the best fitted as compared to other models for water loss and solute gain of pomegranate arils, respectively. Generalized Exponential Model had an excellent fit for water loss ratio and solute gain ratio of pomegranate arils. Effective moisture diffusivity of water as well as solute was estimated using the analytical solution of Fick's law of diffusion. For above conditions of osmotic dehydration, average effective diffusivity of water loss and solute gain varied from 2.718 × 10-10 to 5.124 × 10-10 m2/s and 1.471 × 10-10 to 5.147 × 10-10 m2/s, respectively. The final product was successfully utilized in some nutritional formulations such as ice cream and bakery products. © 2010 Institute of Food Technologists®. Source

Londhe G.,Marathwada Agricultural University | Pal D.,National Dairy Research Institute | Narender Raju P.,National Dairy Research Institute
LWT - Food Science and Technology

Brown peda, a traditional Indian heat desiccated milk (khoa)-based confection characterized by caramelized colour and highly cooked flavour, is expected to have good shelf life in comparison with other khoa-based sweets due to low moisture content, higher amount of sugar and severe heat treatment applied during its preparation. However, brown peda is also very much susceptible to microbial spoilage due to unhygienic conditions adopted during its manufacture and handling and its poor packaging. Hence, with a view to improve the shelf life of brown peda by packaging interventions, the effect of conventional cardboard boxes, modified atmosphere and vacuum packaging techniques on the sensory, physico-chemical, textural, biochemical and microbiological quality of brown peda during storage for 40 days at 30 °C was studied. The rate of loss of most quality attributes was rapid in control and modified atmosphere packaged samples compared to vacuum packaged samples. Based on the results obtained in the study it was concluded that brown peda could be best preserved up to 40 days at room temperature (30±1 °C) without appreciable quality loss. © 2012 Elsevier Ltd. Source

Sakhale B.K.,Dr. Babasaheb Ambedkar Marathwada University | Kapse B.M.,Marathwada Agricultural University
International Food Research Journal

Attempts were made to extend the shelf life of sweet oranges after harvesting by treating with 50, 100 and 150 ppm of giberellic acid (GA 3) with or without 500 ppm of fungicide (bavistin) and wrapping with LDPE bags of 20% vents for a period of 24 days. There was a significant improvement (P<0.05) in reduction of PLW and shriveling and increase in TSS and overall acceptability of sweet oranges treated with 100 ppm of GA 3 with 500 ppm of bavistin and wrapped in LDPE bags than rest of the treatments and control with shelf life of 24 days. Source

A three phase research programme was planned to assess the chemical and biochemical indices for diagnosing Zinc (Zn) deficiency and soil associated factors of citrus nutrition in Marathwada region of Maharashtra state of India. In the first phase a survey of sweet orange orchards was carried out to evaluate the nutritional status and determine constraints in fruit production. In the second phase a pot culture experiment was conducted to evaluate the critical concentration of Zn in soil and leaf. Similarly biochemical indices the CAA (Carbonic Anhydrase Activity) and chlorophyll was also studied. While in third phase, another pot culture experiment was conducted to determine the effect of lime, organic manure and Zn on growth of sweet orange seedlings. Phase I revealed that sweet orange orchards (Citrus sinensis L. Osbeck) of the region are grown on variety of soils (Entisol, Inceptisol and Vertisol) without considering their suitability. Similarly intercrops are planted without testing compatibility. Analysis of orchard soils showed they were calcareous and predominantly clay in texture. Leaf analysis confirmed wide spread deficiency of N and Zn followed by P. Biochemical indices viz. CAA and chlorophyll content of sweet orange leaf were found to be a sensitive and indicator of Zn deficiency. Sweet orange orchards established on Inceptisols performing better than the orchards established on other soil types. Improvement in sweet orange seedling was recorded with high Zn soils supplied with 5 mg Zn, marginal Zn status soils with 10 mg Zn and low Zn status soils with 15 mg Zn kg-1. Reduction in sweet orange growth was noticed with 15 to 20% CaCO3 level. It was further concluded that detrimental effect of high CaCO3 content (up to 20%) on growth can be alleviated to some extent by applying double or triple (10 to 15 g organic manure kg-1) the recommended dose of organic manure. Organic manure in combination with Zn application performed best in improving growth, uptake of Zn, CAA, chlorophyll content and dry matter production of sweet orange seedlings. Critical soil Zn concentration under different levels of CaCO 3 and organic matter content for sweet orange varied from 1.04 to 1.17 mg kg-1, while critical leaf Zn concentration varied from 28.80 to 36.40 mg kg-1. The variations in critical concentration of Zn in soil and sweet orange leaf are attributed to the variability of CaCO3 and organic matter in soil. Source

Waskar D.P.,Marathwada Agricultural University
Acta Horticulturae

Freshly harvested pomegranate fruits cultivar 'Bhagawa' were subjected to postharvest treatments of wax, wax coupled with Carbendazim (0.1%). The treated fruits and along with control (untreated) were stored at room temperature (22.17 to 24.36 °C and 52.00 to 82.00% RH) and in cool storage (8 °C and 90-95 % RH). The results indicated that fruits treated with wax coupled with Carbendizim (0.1%) could be stored up to 65 days in cool storage as against 30 days at room temperature. The data on shelf life, physiological loss in weight (PLW) juice content, acidity, TSS, sugars and organoleptic score indicated that the cool storage is an ideal storage for maintaining proper quality and market acceptability of pomegranate when given a combination of post harvest application of wax and fungicides. Source

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