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STORAGE AND RESEARCH DIVISION
     

Uniform Specifications for Foodgrains

For Indian wheat of all varieties (Marketing season, 2005-2006)
For Barley (Marketing season, 2005-2006)
All varieties of Paddy (Marketing Season, 2004-2005)
For Grade 'A' & Common Rice (Marketing Season, 2004-2005)
For Jowar (Marketing Season, 2004-2005)
For Bajra (Marketing Season, 2004-2005)
For Maize (Marketing Season, 2004-2005)
For Ragi (Marketing Season, 2004-2005)


UNIFORM SPECIFICATIONS FOR GRADE 'A' & COMMON RICE (MARKETING SEASON 2004-2005)

SCHEDULE  OF  SPECIFICATIONS

Refractions Maximum Limit (%) Grade 'A'  Maximum Limit (%) Common
Brokens*
Raw 
Parboiled
25.0
16.0
25.0
16.0
Foreign Matter
Raw/parboiled   
0.5 0.5
Damaged/Slightly damaged
Raw 
Parboiled 
2.0
4.0
2.0
4.0
Discoloured Grains
Raw 
Parboiled 
3.0
5.0
3.0
5.0
Chalky Grains Raw  5.0 5.0
Red Grains Raw/Parboiled    3.0
3.0
Admixture of lower class Raw/parboiled    8.0 ---
Dehusked Grains Raw/parboiled  12.0 12.0
Moisture content*** Raw/parboiled   14.0 14.0

* Including 1% small brokens.

** Not more than 0.25% by weight shall be mineral matter and not more than   0.10% by weight shall be impurities of    animal origin.

*** Rice (both raw and parboiled) can be procured with moisture content upto a maximum limit of 15% with value cut.  There will be no value cut upto 14%.  Between 14% to 15% value cut will be applicable at the rate of full value.

NOTES APPLICABLE TO THE SPECIFICATIONS OF GRADE 'A' AND COMMON VARIETIES OF RICE.

  1. The definition of the above refractions and method of analysis are to be followed as given in Bureau of Indian Standard "Method of analysis of Foodgrains" No's IS: 4333(Part-I) 1967 and IS:4333(Part-II) 1967 " Terminology for Foodgrains" IS: 2813-1995 as amended from time to time. Dehusked grains are rice kernels whole or broken which have more than1/4th of the surface area of the kernel covered with the bran and determined as follows:-

  2. ANALYSIS PROCEDURE:- Take 5 grams of rice (sound head rice and brokens) in a petri dish (80X70mm). Dip the grains in about 20 ml. of Methylene Blue solution (0.05% by weight in distilled water) and allow to stand for about one minute. Decant the Methylene Blue solution. Give a swirl wash with about 20ml. of dilute hydrochloric acid  (5% solution by volume in distilled water).  Give a swirl wash with water and pour about 20 ml. of Metanil Yellow solution (0.05% by weight in distilled water) on the blue stained grains and allow to stand for about one minute. Decant the effluent and wash with fresh water twice. Keep the stained grains under fresh water and count the dehusked grains. Count the total number of grains in 5 grams of sample under analysis. Three brokens are counted as one whole gain.

    CALCULATIONS:

    Percentage of Dehusked grains= NX100/W

    Where
    N =Number of dehusked grains in 5 grams of sample,
    W= Total grains in 5 grams of sample.

  3. The Method of sampling   is to be followed as given in Bureau of Indian Standard "Method of sampling of Cereals and Pulses" No IS : 14818-2000 as amended from time to time.

  4. Brokens less than 1/8th of the size of full kernels will be treated as organic foreign matter. For determination of the size of the brokens average length of the principal class of rice should be taken into acoount.

  5. Inorganic foreign matter shall not exceed 0.5% in any lot, if it is more, the stocks should be cleaned and brought within the limit. Kernels or pieces of kernels having mud sticking on surface of rice, shall be treated as Inorganic foreign matter.

  6. In case of rice prepared by pressure parboiling technique, it will be ensured that correct process of parboiling is adopted i.e. pressure applied, the time for which pressure is applied, proper gelatinisation, aeration and drying before milling are adequate so that the colour and cooking time of parboiled rice are good and free from encrustration of the grains.

 

 

 

 
The main constituents of the S&R Division are as follows:-
Indian Grain Storage Management and Research Institute(IGMRI)
Save Grain Campaign(SGC)
Quality Control Cells
Central Grain Analysis Laboratory
Syllabus for long term training course on Scientific methods of Foodgrain storage, Insepection and Pest control at INDIAN GRAIN STORAGE MANAGEMENT AND RESERACH INSTITUTE, HAPUR & FIELD STATIONS.
INDIAN GRAIN STORAGE MANAGEMENT AND RESEARCH INSTITUTE, HYDERABAD