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Phosphine Residue and its Desorption from Legumes Fumigated with Phosfume Pellets

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Relation http://ir.cftri.com/1234/
LWT-02-96
 
Title Phosphine Residue and its Desorption from Legumes
Fumigated with Phosfume Pellets
 
Creator Rangaswamy, J. R.
Gunasekaran, N.
 
Subject 26 Pesticide Chemistry
22 Legumes-Pulses
05 Insect/Pest Control
 
Description On fumigation with 6 phosfume tablets/ton, legumes (grams) show higher free phosphine (PH3) residue than that found on their splits (dhals), blackgram showing the higher free PH3 residue of 187 Ìg. Fieldbean dhal (6 Ìg), bengalgram dhal (40 Ìg) and blackgram dhal (4 Ìg) hold about 4, 37 and 3%, respectively, of the pre-aired PH3 residue found on corresponding samples of the respective grams. Greengram and its dhal are an exception as the latter shows a higher residue (97 Ìg) than that shown by
the former (71 Ìg). During 1 d airing, blackgram dhal loses 100% of the pre-aired residue, while the other grams and their dhals lose more than 70% of their corresponding residue. During storage, pre-aired samples of bengalgram dhal (11 Ìg/(kg.d)), 1 d aired samples of blackgram (4 Ìg/(kg.d)) and blackgram dhal (4 Ìg/(kg.d)) show a higher rate of desorption of PH3 residue, while 1 d aired greengram samples do not show desorption. Because of such differences in their desorption rate, different legumes
have taken a different length of time to attain a nondetectable residue level. Based on extensive data collected, it is concluded that phosphine can be a suitable fumigant, based on negligible free phosphine residue during storage.
 
Date 1996
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://ir.cftri.com/1234/1/Lebensm.-Wiss._u.-Technol.%2C_29%2C_234-237_%281996%29.pdf
Rangaswamy, J. R. and Gunasekaran, N. (1996) Phosphine Residue and its Desorption from Legumes Fumigated with Phosfume Pellets. Lebensmittel-Wissenschaft und Technologie , 29. pp. 234-237.