Staple food

Average kcal/person/day, 1979-1981Average kcal/person/day, 2001-2003
  no data
  <1600
  1600-1800
  1800-2000
  2000-2200
  2200-2400
  2400-2600
  2600-2800
  2800-3000
  3000-3200
  3200-3400
  3400-3600
  >3600Food energy consumption per person, per day, worldwide. Except for war-torn countries, the world is eating more staples per capita per day, despite rising world population.

A staple food, sometimes simply referred to as a staple, is a food that is eaten routinely, and in such quantities that it constitutes a dominant portion of a standard diet in a given people, supplying a large fraction of the needs for energy-rich materials and generally a significant proportion of the intake of other nutrients as well. The staple food of a specific society may be eaten as often as every day, or every meal, and most people live on a diet based on just a small number of staples.

单词	Dietary staple
释义	Dietary staple 原声例句科学60秒听力 2013年3月合集 For decades, researchers have argued about whether corn was a dietary staple in the late Archaic. 几十年来，研究人员一直在争论玉米是否是太古时期餐桌上的主食？迷人历史 Bread and ale were still dietary staples for most people. 面包和啤酒仍然是大多数人的主食。迷人历史 Deprived of dietary staples such as milk meant that cases of rickets and other diet-related illnesses rose. 被剥夺了牛奶等主食意味着佝偻病和其他与饮食有关的疾病病例增加。英语百科 Staple food A staple food, sometimes simply referred to as a staple, is a food that is eaten routinely, and in such quantities that it constitutes a dominant portion of a standard diet in a given people, supplying a large fraction of the needs for energy-rich materials and generally a significant proportion of the intake of other nutrients as well. The staple food of a specific society may be eaten as often as every day, or every meal, and most people live on a diet based on just a small number of staples.
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Dietary staple

Staple food