The phrase "ate large quantities of" is correct and usable in written English.
You can use it when describing someone consuming a significant amount of food or drink.
Example: "During the feast, he ate large quantities of roasted meat and vegetables."
Alternatives: "consumed a lot of" or "devoured substantial amounts of".
He found that the eastern American mole was endemic to the area, and that the moles ate large quantities of worms.
Colonists ate large quantities of turtle, a delicacy also exportable to Europe.
In ancient Greece, athletes ate large quantities of onion because it was believed to lighten the balance of the blood.
In, the Pentateuch says that the Jews demanded meat while traveling in the desert; God sent quail in response to the complaints, and people ate large quantities of quail meat.
In his study of Michigan women who ate large quantities of home-caught fish, maternal levels of DDE did correlate with BMI and weight in the women's adult children aged 20 to 50.
A study found those who had a diet rich in vegetables, nuts, fish and oils were a third less likely to die early, compared with those who ate larger quantities of red meat, such as beef, and butter.
And lo, that day clouds parted and birds tweeted, and from then on I had acquired a superpower, and that superpower was eating large quantities of ice cream at rapid pace without getting hurt.
The analyses further drew attention to the fact that certain populations that do not eat large quantities of animal fats and subsist largely on vegetable oils and fish have a much lower incidence of atherosclerosis.
However, it is possible to discern some basic elements that you can use to form your take on this diet: Some followers of the paleo diet eat large quantities of meat and then fast for up to 36 hours at a time.[2] This is supposed to emulate the times of lean in between meals that hunters and gatherers experienced.
