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Detection of Formalin in Fish Samples Collected from Dhaka City, Bangladesh

*Riaz Uddin
Department of Pharmacy, Stamford University Bangladesh, 51, Siddeswari Road, Dhaka-1217, Bangladesh

Moin Ibna Wahid
Department of Pharmacy, Stamford University Bangladesh, 51, Siddeswari Road, Dhaka-1217, Bangladesh

Tasbira Jesmeen
Department of Pharmacy, Stamford University Bangladesh, 51, Siddeswari Road, Dhaka-1217, Bangladesh

Naz Hasan Huda
Department of Pharmacy, Stamford University Bangladesh, 51, Siddeswari Road, Dhaka-1217, Bangladesh

Kumar Bishwajit Sutradhar
Department of Pharmacy, Stamford University Bangladesh, 51, Siddeswari Road, Dhaka-1217, Bangladesh

Abstract/ Executive Summary:

Fish is an important foodstuff and source of protein all over the world. In Bangladesh, the fisheries sector contributes a lot in case of earning foreign currency and meeting the domestic need for animal protein. To meet the domestic need Bangladesh imports fish and fish products from neighboring countries. But it is evident from several studies that fish items in Bangladesh contain formalin which is a highly hazardous and carcinogenic chemical. An attempt was taken to detect the extent of formalin use in fish available in Dhaka city. From five different local markets, five species of fishes were collected and the presence of formalin was detected using the “formalin detection kit in fish” developed by the Bangladesh Council of Scientific and Industrial Research (BCSIR). The study indicates that 70% Rui fish is formalin contaminated and almost 50% of fish samples contain formalin.

Keywords: Formaldehyde, BCSIR, Formalin detection kit, Carcinogen, Fisheries, Livestock.

Location: Dhaka City, Bangladesh

Start Date:

End Date:

Program Area: Quality and Nutrition

Commodity: Fish

Objectives:

An attempt was taken to detect the extent of formalin use in fish available in Dhaka city

Methodology:

Fish sample collection: Fish samples were collected from different markets in Dhaka city. The markets include Jatrabari Bazar, Karwan Bazar, and different super shops at Dhanmondi, Maghbazar and Kazipara. Fish samples include Rui (Labeo rohita), Catla (Catla catla), Mrigal (Cirrhina mrigala), Ilish (Hilsa ilisa) and Sarputi (Puntius sarana). Qualitative detection of formalin using Formalin Detection Kit for Fish®Qualitative detection of formalin was performed by the formalin detection kit for fish®developed by the Bangladesh Council of Scientific and Industrial Research (BCSIR). This kit contains three different solutions labeled as solutions 1, 2 and 3. First, the samples (cut fish parts) were washed with a small quantity of water and a portion of washed-out water was taken in a test tube using a dropper incorporated in the kit. 15 drops of solution 1 were added to the test-tube containing washed-out water. After well stirring, the solution was allowed to react for 30 seconds. 15 drops of solution 2 were added in the same test-tube. After waiting for 30 seconds, solution 3 was added, a change in color pink or red indicated the presence of formalin whereas unchanged color indicated the sample is free from formalin.

Source of Information: S. J. Pharm. Sci. 4(1): 49-52

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

t is assumed that formalin is added to the fish, especially those who come from bordering countries by the local fish traders to keep the fish fresh for a long time. But as it is a carcinogenic chemical and has got the ability to produce serious health hazards like cancers of the lung, nasopharynx, oropharynx and nasal passage to the population regulatory bodies should take necessary steps to minimize and stop formalin treatment of the fish. The current study involves a small number of samples to detect formalin in fish in a local market in Dhaka city. But it gives us a comprehensive picture to understand the extent and magnitude of the scenario.

Knowledge Management: Journal