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Claude SIRET: Associate professor of biochemistry – biological engineering at the Lycée polyvalent R.J. Valin and the I.U.F.M. de La Rochelle
INTRODUCTION
The human diet is dominated by the heterotrophic nature of its nutrition, i.e. it can only meet its nutritional needs at the expense of other living beings. All human foodstuffs have a biological origin, whose structure is the same as that of all living beings, i.e. cellular. But from this biological material, man has sought to transform it to better preserve and satisfy his needs, which has not been without consequences for the structure of food.
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