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A balanced diet comprising nutrient-rich vegetables, fruits, pulses, cereals and curd coupled with a healthy lifestyle is the key to boost the immune system, a focal point in the fight against coronavirus, according to the premier nutrition institute under the union health ministry.

Micronutrients (vitamins and minerals) and phytonutrients that are primarily available in fruits, nuts, vegetables, and wholegrains enhance both native and adaptive immune function and prevent infection among others, the Indian Council of Medical Research (ICMR)-National Institute of Nutrition (NIN) here said.

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The over a century-old NIN, which has attained global recognition for its pioneering studies on various aspects of nutrition research, has given its suggestions to the Centre on nutrition and immunity in the backdrop of the fight against coronavirus and sent them to the Centre, it’s Director Hemalatha R said.

It has also recommended the amount of food to be distributed as a free ration for the economically deprived, daily wage earners and migrant workers during the ongoing lockdown to keep them food and nutrition secure during these tough times, she said.

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Micronutrients also aid immune memory formation that helps prevent reinfection with the same pathogen, help scavenge toxins produced in large quantities in the body during infection and immune response, and increase beneficial probiotic bacteria in the intestine among other benefits, Hemalatha told PTI here.

Fruits like papaya, guava, apple, grapes, mango, oranges, tangerines, lemons, sweet lime and gooseberries, all seasonal vegetables, including green leafy, and spices, legumes, millets, flesh foods, and fish are among those with rich sources of nutrients, she said.

“Curd is a source of many nutrients and it also improves gut health by regulating gut bacteria, aids immune function and reduces inflammation,” the Director said.

Suggesting dietary and lifestyle guidelines during these times, she said consumption of highly processed foods should be limited and fruit juices and carbonated drinks should be avoided.

Consuming meat, poultry, and eggs were not risky in present circumstances, but hand wash hygiene must be followed after handling raw meat, eggs or even vegetables, she said adding thoroughly cooked meat and poultry products may be included in diets in moderation.

Avoid too much fat (no more than 30 gm per person per day – preferably more than two varieties of oils), salt (no more than 5 gm per person a day). Sugar is just calories with no nutrients, hence, keep it to a bare minimum, she said.

Maintaining ideal body weight, keeping the body hydrated with adequate water intake, taking up moderate physical activity including yoga to reduce stress and build immunity and avoiding smoking and alcohol consumption are among other suggestions.

She said most infections can be prevented by practicing good personal hygiene such as washing hands before preparing or eating food, washing hands after cleaning vegetables or meat, covering mouth with a tissue or cloth while coughing or sneezing.

People with diabetes or other chronic illnesses should continue their regular medication and prescribed healthy dietary patterns along with adequate physical activity and keep themselves stress-free,” Dr. Hemalatha said, replying to a question.

The NINs website provides additional information on nutrition, including dietary guidelines.

When asked about ICMR-NINs role in the government’s fight against COVID-19, she said the institute has recommended the required quantum of food to be distributed as a free ration for people affected by the lockdown.

Recommendation on amount of food to be distributed as free ration for the economically deprived, daily wagers and migrants during the lockdown was provided.

“In addition, the Centre sought inputs on nutrition and immunity from scientific and professional bodies. We have formulated our suggestions and communicated the same, she said.

Additionally, the institute has been extending all possible support to its parent organization ICMR in the fight against COVID 19, Hemalatha said.

The NIN has been the nodal center in Telangana for receiving the COVID-19 test kits and reagents from ICMR and National Institute of Virology, Pune and distributing them to various test centers, she added.

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