RHODAMINE B – SCI & TECH

News: Why governments are seeing red with Rhodamine B

 

What's in the news?

       Tamil Nadu banned the sale of cotton candy or candy floss after analysis confirmed the presence of Rhodamine-B, an industrial dye, in samples lifted from stalls in Chennai.

 

Key takeaways:

       Since then, the Karnataka Government has banned the use of harmful colouring agents in cotton candy and “Gobi Manchurian”, while Andhra Pradesh has begun lifting samples for analysis.

 

Rhodamine-B:

       It is a water-soluble chemical compound.

       While it appears green in powder form, it turns vivid fluorescent pink when it comes in contact with water.

 

Applications:

       It is a chemical commonly used for dyeing in the textile, paper, leather and paints industry as a colouring agent that helps in attaining the red and pink spectrum.

       "As per the Food Safety Standards Act, 2006, preparation, packaging, importing, selling and serving food items with Rhodamine-B in wedding ceremonies and other public events is a punishable offence.

 

Toxic:

       It is an industrial dye which is not allowed in food anywhere in the world as it is toxic.

 

Health Implications:

       Researchers have identified that if food containing this chemical is consumed regularly, it can cause damage to the cerebellum tissue in the brain and to the brainstem that connects the brain to the spinal cord.

       These damages can lead to functional abnormalities and can hinder humans motor functioning.

       The chemical is toxic for humans and can cause oxidative stress on cells and tissues if ingested.

       It becomes particularly hazardous when it is mixed with food products, leading to cancer and tumour over time.