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Occurrence of aflatoxin M1 in some samples of UHT, raw & pasteurized milk from Indian states of Karnataka and Tamilnadu.

Vinutha, Siddappa and Divyashree, Kallenahalli Nanjegowda and Prema, Viswanath (2012) Occurrence of aflatoxin M1 in some samples of UHT, raw & pasteurized milk from Indian states of Karnataka and Tamilnadu. Food and Chemical Toxicology , 50 . pp. 4158-4162. ISSN 0278-6915

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Abstract

Aflatoxin M1 (AFM1) is a toxic metabolite found in the milk of lactating animals which have consumed feedstuffs contaminated with aflatoxin B1. Ultra high temperature treated (UHT) milk is a product which is becoming popular in developing countries like India as there is a lack of proper cold storage or refrigeration facilities. In this study, 45 samples of UHT milk of popular brands prevalent in the market were analyzed for the presence of AFM1 by reversed phase HPLC using fluorescent detector after cleanup of sample with immunoaffinity columns. All samples of plain UHT milk were positive for AFM1 and 38% of these contained levels more than 0.5 lg/kg, the maximum permitted limit prescribed by the Codex Alimentarius Commission and by the mandatory regulations of the country, the FSSAI Regulations, 2011. In 62.5% of flavored UHT milk, AFM1 was below detectable levels (0.02 lg L�1). However, 12.5% of these samples also contained levels exceeding the maximum permitted limits. AFM1 was present in 61.6% of the 52 raw milk samples analyzed from the two states of Karnataka and Tamilnadu with a range of 0.1–3.8 lg L�1. 17.3% of these samples also exceeded the regulatory limits of the country.

Item Type: Article
Uncontrolled Keywords: Aflatoxin M1, UHT milk, Raw milk HPLC India
Subjects: 600 Technology > 08 Food technology > 10 Food Microorganisms
600 Technology > 08 Food technology > 27 Dairy products
Divisions: Food Safety Analytical Quality Control Lab
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 06 Nov 2012 11:06
Last Modified: 05 Dec 2016 11:12
URI: http://ir.cftri.com/id/eprint/10991

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