Post Harvest Technology detail syllabus for Agricultural Technology (112), M scheme is taken from TNDTE official website and presented for diploma students. The course code (32371), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below.
For all other agriculture 5th sem syllabus for diploma m scheme tndte you can visit Agriculture 5th Sem Syllabus for Diploma M Scheme TNDTE Subjects. For all other ELECTIVE – I THEORY subjects do refer to ELECTIVE – I THEORY. The detail syllabus for post harvest technology is as follows.
Rationale:
Post harvest Technology is one of the core subject in Agricultural engineering study. There is a common feeling among farmers that their produce is not giving enough or good return to them. More over the post harvest losses are much higher. This leads to food shortages to the people. To adders all these issues Postharvest technology is studied.
Various techniques like value addition to the agricultural produce, drying and its importance, parboiling, milling, oil extraction are some of the ways by which the farmer can get more remunerative price to his produce.
Objectives:
- To understand the structure, physical and chemical properties of the various food grains. Understanding of this properties helps in design of processing machines and equipments
- To understand mechanism of drying and importance of drying
- To know the working of various dryers
- To understand the mechanism and importance of parboiling.
- To study the various parboiling techniques.
- To know the mechanism of milling and various milling machineries.
- To understand rice milling and modern rice milling concept.
- To know the extraction and refining of vegetable oils.
- To know the rice bran processing techniques.
Unit I
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Unit II
Drying:
Thin Layer drying and deep bed drying – principles – constant rate of drying – falling rate of drying – need for drying – Newton’s Equation for drying (MR). Factors affecting drying – different grain drying methods – conduction, convection and radiation -natural air drying, supplemental heat drying, heated air drying -other types of drying. Dryers – basics classification – unheated air dryers – heated air dryers – flat bed dryers – columnar dryers – re-circulatory batch dryer continuous flow columnar dryer – L.S.U. dryer – baffle type dryer – rotary dryer – advantages and disadvantages of dryers.
Unit III
Parboiling
Parboiling definition – principles of parboiling – Advantages and Disadvantages of parboiling – soaking – steaming – drying -methods of parboiling – Traditional methods of parboiling -CFTRI methods – Kissan Continous process – pressure parboiling – RPEC method – sodium chromate method – drying of parboiled paddy – Sun drying – mechanical drying.
Unit IV
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Unit V
Processing Of Oil Seed And Rice Bran
Introduction – constituent of oils – classification of oils – their uses – extraction of oil from oil seeds – Extraction and refining of cotton seed oil – Extraction of soyabean oil – extraction of sunflower oil – extraction of palm oil – extraction of coconut oil -traditional method and mechanical extraction. Rice bran oil – composition of rice bran oil – problem faced in processing of rice bran oil – factors affecting storage of rice bran oil – extraction of the bran oil – solvent extraction and Batch extraction method – refining of crude rice bran oil – uses of bran oil and various constituents.
Reference Books:
- Principal of Agricultural Engineering Vol. 1 A.M. Micheal & T.P. Ojha – Jain brothers, New Delhi.
- Post Harvest Technology of cereals, pluses and oil seeds by A. Chakraverty, Oxford & IBH Publishing, New Delhi.
- Rice Post Harvest Technology by E.V. Araullo, D.B. de Padua & Michael Grahan, Oxford & IBH Publishing, New Delhi.
- Agricultural Engineering ( through worked Example) by Radheh Lal, et al Sanjay Prakasam Publishers, katra, Allahabad – 211 002.
- Rice Process Technology By S. Bandyapadhyar & Roy Oxford & I.B.H. Publication
For detail syllabus of all other subjects of BE Agriculture, M scheme do visit Agriculture 5 syllabus for M Scheme.
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