Anne Rice, A. and Hargett, G. (1997) The Peanut Quality Enhancement Project Report. Project Report. University of Georgia, Tifton, Georgia.
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Abstract
Ihc quality of farrncrsl stock peanuts was enhanced by belt screening. Belt screens separated farmers' stock pcanul materials into two si7,es. According to grades, the TIiRUS contained two to 12 prccnt d the peanut material and more than 50% of the foreign material with a minimal loss of pod ediblc peanuts. On the avcrage, the belt screen removed 61 :(, to 99.3 percent of the loose shelled kernels. Ihe THRUS contained low percentages of SMK + SS. Other kernels in the THRUS averaged 15.2 to 32 percent. Sizing analyses indicated that the material in the OVERS was mostly pods larger than the scrcen opening. Ilcpending upon the opening, up to 4% of the OVERS were pods that should have fallen through the opening. Shelling evaluations of belt screened peanuts revealed that the damage in the edible size kcrncls From the 1'1 IHlJS was two to 15 timcs higher than for the same size kernels in ihr OVERS. Within each peanut type more edible pcanuis were diverted to lower shelling gndes when screened with the larger openings. The larger belt openings diverted twice as many cdible peanuts to the 1'1 IRUS, l'otal meat content of the 1'HRUS correlated well with official ~rades. Belt screening reduced aflatoxin to less than 5 ppb in 24% of the original lots with aflatoxin greater than 5 pph. Subsequently, removal of oil stock and damaged kernels reduced aflatoxin to less than 5 ppb In 61% of the original lots with aflatnxin greater than 5 ppb. Mnre than 85Y0 of cleaned and shelled THRUS samples contained at least 10% oil and those less than 40% were associated with small belt openin~s and thus higher concentrations of foreign material. In a limited study, moisture content urtf CWJRS was less than iniiial moisture mntcnt before belt screening. The screened value of farmers' stock peanuts was higher than the unscreened value. Installation costs of belt screens at a11 buying poinu in the U.S, were estimated ta be ahut 36 million dollars. In the U.S., screening charges for pcanuts to recoup investment costs ranged from $2.76/ton to W.Ol/ton..............
| Item Type: | Monograph (Project Report) |
|---|---|
| Additional Information: | SNNigam collections |
| Author Affiliation: | National Peanut Foundation 1500 King Street Suite 301 Alexandria, VA 22314 |
| Subjects: | Plant Production Plant Protection |
| Divisions: | Groundnut |
| Depositing User: | Mr T L Gautham |
| Date Deposited: | 18 Jul 2013 13:29 |
| Last Modified: | 18 Jul 2013 13:29 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/11146 |
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