Joint research calls attention to the deprivation of essential nutrients and proposes policy changes
BM Desk:
A recent joint study conducted by researchers from Dhaka University’s Institute of Nutrition and Food Science and the Bangladesh Rice Research Institute (BRRI) has shed light on the significant loss of nutrients in rice due to excessive pruning in modern rice mills across the country. The study, titled ‘Nutrient variation in parboiled and polished popular high-yielding varieties of Bangladesh,’ was published in the international science journal Foods last November.
According to the findings, 10 to 20 percent of rice is threshed during the milling process, resulting in the removal of the most nutritious part of the grain. The rice millers trim the rice while polishing it, contributing to a loss of essential minerals, vitamins, and fats. The research revealed that the by-products generated from this process, often used in chicken and fish feed and canola oil production, are sold at a profitable rate by mill owners.
The study’s results have prompted action, with the Food Ministry and Ministry of Agriculture being informed of the findings. Food Secretary Ismail Hossain stated that a new policy has been implemented, restricting rice pruning to no more than 10 percent. Any violation of this policy will result in disciplinary action.
Rice, being a staple food for the poor population of Bangladesh, plays a crucial role in providing essential nutrients. Professor Nazma Shaheen from the Institute of Nutrition and Food Science emphasized the need to prevent the removal of nutrients during the pruning process. She urged the implementation of policies and regular monitoring to ensure compliance.
The study examined five popular high-yielding rice varieties, revealing that only one variety retained minerals and vitamins after processing. Other varieties experienced nutrient loss, with pruning leading to reductions in non-meat components by 9 to 18 percent. Researchers highlighted the impact on fats, vitamins, and minerals, emphasizing the need to address the nutritional quality of rice in the country.
In response to the study’s findings, rice mill owners defended the sale of by-products, citing them as a crucial source of income. However, concerns were raised about the impact on consumers, with calls for the swift implementation of retrenchment policies and stricter monitoring by authorities.
Consumers were also advised to avoid purchasing overly polished rice, as the glazing process contributes to nutrient loss. The study urged collective efforts to preserve the nutritional value of rice and address the growing concern of nutrient deprivation in the country.
