Answer: From the chapter "Cooking Time" in Eat the Sky, Drin the Ocean, Anita Roy narrates how she, Mandy and Marra related with food.
Newtri was an artificial food which was shortened from Newtrition which came in tubes. Everyone except Mandy loved it. Usually, she'd suck up a little and hand the rest to Marra when no one else was looking.
Explanation: Hope this helps!