Gemmoderivatives, also known as glycerinated macerates (MG) or Meristemoderivati, are hydrogliceroalcoholic macerations obtained from young plant tissues at the initial stage of development, collected spontaneously in ecologically non-degraded territories or coming from from biological cultivations.The used parts - buds, radicles, sprouts, lymph - just taken are carefully checked and sent to the extraction phase with a solvent mixture of water, alcohol, glycerine. The phyto-derivative obtained contains all the active ingredients characteristic of meristems and performs their complex health activities in the most effective way.