noun

• The part of a seed which acts as a food store for the developing plant embryo, usually containing starch with protein and other nutrients.

  ‘Thus the three seed components, embryo, endosperm and seed coat, are genetically distinct.’

  More example sentences

  • ‘Tobacco seeds accumulate oil and protein in the embryo, cellular endosperm and inner layer of the seed coat.’
  • ‘Soluble proteins from endosperm and leaf tissues were used.’
  • ‘Most of its volume is taken up by the starchy endosperm, where starch and storage proteins are accumulated.’
  • ‘Cereal grains, for example, store the bulk of their storage proteins in the starchy endosperm.’