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Samuel, D. V. K.
- Optimization of Extrusion Process Varibles for Preparation of Vitamin C Enriched Ready-to-Eat Product from Maize-Rice-Aonla Using Response Surface Methodology
Abstract Views :244 |
PDF Views:0
Authors
Affiliations
1 Division of Post Harvest Technology, Indian Agricultural Research Institute, New Delhi, IN
2 Division of Agricultural Engineering, Indian Agricultural Research Institute, New Delhi, IN
1 Division of Post Harvest Technology, Indian Agricultural Research Institute, New Delhi, IN
2 Division of Agricultural Engineering, Indian Agricultural Research Institute, New Delhi, IN
Source
International Journal of Processing and Post harvest Technology, Vol 6, No 1 (2015), Pagination: 26-35Abstract
Response surface methodology (8.0.7.1) was employed to study the optimization of process variables of extrusion technology i.e. die temperature, Screw speed and feed moisture content. A ready to eat extruded food was developed by using a twin screw extruder. A nutritious ready to eat expanded product based on maize grits, rice flours and aonla was developed for school going children (6-16 years). Feed moisture content was found to have maximum influence on bulk density whereas the screw speed and die temperature had maximum influence on colour and expansion ratio of the product, respectively. Blends of maize grits, rice flours and aonla (80 : 10 : 10) were used as the ingredients for extrusion that would provide the vitamin C requirement of the targeted population with a minimum cost. Based on organoleptically evaluation, product extruded at processing conditions of 125°C die temperature, 310 screw rpm and 22 per cent (d.b) feed moisture content was found to be most acceptable quality extruded product.Keywords
Bulk Density, Moisture Content, Expansion Ratio, Hardness, Colour, Extrusion.
- Solar Photovoltaic-Powered Ventilation and Cooling System of a Greenhouse
Abstract Views :280 |
PDF Views:89
Authors
Affiliations
1 Division of Agricultural Engineering, Indian Agricultural Research Institute, New Delhi 110 012, IN
1 Division of Agricultural Engineering, Indian Agricultural Research Institute, New Delhi 110 012, IN
Source
Current Science, Vol 106, No 3 (2014), Pagination: 362-364Abstract
No Abstract.Full Text
- A Corcyra Egg Card Making Machine for the Mass Production of Trichogramma Spp
Abstract Views :229 |
PDF Views:129
Authors
Affiliations
1 Division of Entomology Indian Agricultural Research Institute, New Delhi 110012, IN
1 Division of Entomology Indian Agricultural Research Institute, New Delhi 110012, IN
Source
Journal of Biological Control, Vol 15, No 2 (2001), Pagination: 143-146Abstract
A machine for making Corcyra egg cards was designed, fahricated and evaluated for labour efficient mass production of Trichogramma egg cards. The machine could paste on an average 9.97 ml of eggs per minute compared to 0.7 ml in the manual method. The number of eggs pasted per 0.25 sq cm of the card varied from 32 to 145 eggs with an average of 73 eggs for machine made cards whereas the corresponding values for manually made cards were 45, 118 and 76.65, respectively. The average number of egg cards produced per hour in the machine operated system was 14.3 times higher when compared to the manual system. The machine is provided with an in-built UV chamber for the sterilization and inactivation of the host eggs. The cost of the machine works out to be about Rs.20, 000 per unit and this is the first report of a machine developed for host egg card preparation from India.Keywords
Corcyra cephalonica, Egg Card Making Machine, Mass Production, Trichogramma.Full Text
- Solar-Powered Evaporatively Cooled Vegetable Vending Cart
Abstract Views :251 |
PDF Views:125
Authors
Affiliations
1 Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, IN
1 Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, IN
Source
Current Science, Vol 111, No 12 (2016), Pagination: 2020-2022Abstract
A solar-powered vending cart was designed and developed for storage of fruits and vegetables. It was tested for its performance during summer season. The minimum and maximum drop in temperature ranged between 8.1°C and 11.2°C, and the increase in relative humidity was observed to be up to 15% and 25% inside the vending card chamber in June. The requirement of water ranged between 16.5 and 20.0 litre/day. There was considerable effect on physiological loss in weight of different vegetables kept either inside or outside the mobile chamber. The freshness and shelflife of vegetables increased substantially after storage in the cart.Keywords
Evaporative Cooling, Fruits and Vegetables, Solar-Powered Cart, Storage.Full Text
- Solar-Powered on-Farm Storage Structure for Fruits and Vegetables
Abstract Views :254 |
PDF Views:103
Authors
Affiliations
1 Division of Agricultural Engineering, Indian Agricultural Research Institute, New Delhi 110 012, IN
2 Central Institute of Agricultural Engineering, Bhopal 462 038, IN
1 Division of Agricultural Engineering, Indian Agricultural Research Institute, New Delhi 110 012, IN
2 Central Institute of Agricultural Engineering, Bhopal 462 038, IN
Source
Current Science, Vol 113, No 12 (2017), Pagination: 2246-2249Abstract
Preserving fruits and vegetables in cold storage has been a critical area of concern because at low temperature, these perishable commodities can be preserved in their wholesome state for longer periods. However, the absence of cold storage facilities to accommodate the ever-increasing supply of fruits and vegetables has compelled the producers to adopt alternative storage practices; practices that in effect would preferably be economical than renting space in cold store and more efficient than rustic storage producers.Full Text
References
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- Moisture-Dependent Physical and Physiological Properties of Accelerated Aged Pea (Pisum sativum L.) Seeds
Abstract Views :195 |
PDF Views:75
Authors
Affiliations
1 Horticultural Crop Processing Division, ICAR-Central Institute of Post Harvest Engineering and Technology, Abohar 152 116, IN
2 Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, IN
1 Horticultural Crop Processing Division, ICAR-Central Institute of Post Harvest Engineering and Technology, Abohar 152 116, IN
2 Division of Agricultural Engineering, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, IN
Source
Current Science, Vol 114, No 04 (2018), Pagination: 909-915Abstract
The present study was carried out to determine the physical as well as physiological properties of three fresh pea seed lots (cv. Arkel) with moisture content and germination percentage varying from 14.94% to 28.04% dry basis and 80% to 60% respectively. This variation in moisture content and physiological parameters was obtained using accelerated aging (40°C and 100% RH). The geometric (spatial dimensions, sphericity and surface area), gravimetric (terminal velocity, true density, test weight, bulk density and porosity), frictional (angle of repose, coefficient of static friction), mechanical (compressive strength) and physiological parameters (seedling dry weight, seedling length, vigour indices, electrical conductivity and ischolar_main growth parameters) were determined for the selected seed lots. The effect of moisture content on seed lots was significant (R2 ≥ 0.947) on physical and physiological properties of seed lots. This study may help in designing seed priming prototype suitable for pea seeds.Keywords
Moisture, Physical Properties, Germination Properties, Accelerated Aging.Full Text
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