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Aflatoxin B1 contamination in groundnut samples collected from different geographical regions of India: a multicentre study.

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Title Aflatoxin B1 contamination in groundnut samples collected from different geographical regions of India: a multicentre study.
 
Creator Bhat, R. V.
Vasanthi, S.
Sashidhar Rao, B.
Nageswara Rao, R.
Sudershan Rao, V.
Nagaraja, K. V.
Girija Bai, R.
Krishnaprasad, C. A.
 
Subject 10 Food Microorganisms
33 Nuts
 
Description Under a multicentre study conducted by the Indian Council of Medical Research, 2062
samples of groundnut were collected from rural and urban areas of 11 states representing
different geographical regions of the country. These samples were analysed for aflatoxin B1
using the AOAC method. Analytical quality assurance between various participating
laboratories was ensured through analysis of check-samples. Twenty-one per cent of
groundnut samples collected from 11 states exceeded the permissible Indian regulatory
limit of 30 μg/kg. No statistically significant difference in percentage of samples
contaminated (> 30 μg/kg) was observed between pooled rural (22.9%) and urban
(19.9%) data. Amongst the 11 states, the minimum and maximum per cent contamination
respectively (>30 μg/kg) were observed to be 15.2 in the state of Andhra Pradesh and
28.3 in the state of Haryana. The maximum level of contamination of 833 μg/kg was
observed in the state of Gujarat. The median level of < 5 μg/kg was observed in the states
of Gujarat, Haryana, Punjab, Andhra Pradesh and Karnataka. In all other states studied,
the median level was found to vary between 10 and 20 μg/kg. The 90th percentile values
were high in Andhra Pradesh (125 μg/kg), Gujarat (111 μg/kg) and Haryana (110 μg/kg).
In the remaining states the 90th percentile value ranged from 60 to 93 μg/kg. Analysis of
pooled data showed the percentages of samples exceeding the level of contamination of
5 μg/kg and 15 μg/kg, respectively were 44.9% and 37.4% which therefore, showed a
marked increase when compared with the per cent of samples exceeding 30 μg/kg in the
overall data.
 
Date 1996
 
Type Article
PeerReviewed
 
Format pdf
 
Language en
 
Identifier http://ir.cftri.com/2761/1/FOOD%20ADDITIVES%20AND%20CONTAMINANTS%2C%201996%2C%20VOL.%2013%2C%20NO.%203%2C%20325-331.pdf
Bhat, R. V. and Vasanthi, S. and Sashidhar Rao, B. and Nageswara Rao, R. and Sudershan Rao, V. and Nagaraja, K. V. and Girija Bai, R. and Krishnaprasad, C. A. (1996) Aflatoxin B1 contamination in groundnut samples collected from different geographical regions of India: a multicentre study. Food Additives and Contaminants, 13 (3). pp. 325-331.