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Amidonul este polizaharida de rezerva a plantelor.Este sintetizat in frunze,in urma unor procese fotochimice complexe,de unde trece in redacini (morcovi),in tuberculi (cartofi),in tulpini (palmieri) sau in seminte (cereale).

In plante,amidonul se gaseste sub forma de granule,a caror forma si marime carasteristica pentru fiecare specie vegetala.

Din punct de vedere al compozitiei chimice amidonul este un amestec de doua polizaharide: amiloza si amilopectina.

Cele mai bogate plante in amidon:

  • orezul (75-77%)
    orez-b.jpg
  • graul (64-65%)
    grau-calitate-superioara-pentru-productie-si-samanta-78962_big.jpg
  • cartofii (18-22%)
    2531255412867__cartof_1.jpg

4Qn7oKL.gif cjZhNAh.gifsykL3n4.gif

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