Dhaka, March 29 -- For Bengalis, Eid without vermicelli, or semai, lacks its customary warmth.

Once a staple of neighbourhood shops, open or unpackaged vermicelli was a familiar sight, though its presence is slowly fading.

In its place, glossy, factory-sealed packets of flavoured vermicelli now line store shelves, signalling a shift in tradition.

Corporate manufacturers have steadily tightened their grip on the vermicelli market, drawing in consumers who, often unquestioningly, perceive their offerings as the "healthier" choice.

With the addition of raisins, nuts, and other ingredients, these brands compete to redefine the familiar taste of the Eid delicacy.

Yet, concerns persist.

Critics argue that these packaged varieties, despite...