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The world's population, areas intended for the production of bio-mass and bio-fuels and the food demand of mankind are on a continuous ascending trend. In this context, an increased efficiency in obtaining large and steady productions, in compliance with the requirements of sustainable development of the agricultural eco-system, is a priority. To be effective, the seed treatment will fulfill the following requirements: shall disinfect and protect the seeds against the pests and pathogen agents found in the soil, shall ensure the system protection, shall not pollute the soil, water and environment, shall have no remnant effect onto the environment and onto the crops and shall be bio-degradable, easy to transport and to use. This paper aims at presenting new collagen based materials for cereal seed treatment, which generates an increase of the quality and protection indicators for treated seeds. Creation of a new and advanced technology for treatment of cereal seeds, by using pesticide-collagen hydrolysate mixes has the objectives of increasing seed quality indexes; reducing pesticide consumption, which will in turn decrease environmental pollution and the cost of treatment for cereal seeds; achieving a better management of resources; reducing production expenses while preserving the environment. The technologies developed for protein raw material processing and characteristics of collagen hydrolysates with bioactive properties are presented. The future route for ecological treatment of seeds is the use of microencapsulated plant extracts (thyme and cinnamon essential oils) with insecticidal and antifungal properties in a shell made using collagen hydrolysate.

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There are described experimental studies on the esterification of solketal, (the cyclic acetal produced from glycerol and acetone reaction), by transesterification reactions of the -OH group with methyl esters of C3 -C10aliphatic acids (propionic, pentanoic, hexanoic, octanoic and decanoic). The goal was to obtain better additives for diesel and biodiesel fuels, as compared to solketal. The measured physical properties (especially density, viscosity and water solubility) of the synthesized solketal esters, closer to the corresponding ones for the diesel and biodiesel fuels, permit to suppose that these new compounds should be better additives for diesel type fuels, as compared with solketal. For three of these esters there were studied the liquid-vapor equilibrium at different temperatures, determining also the Antoine equation coefficients for the calculation of vapor pressure.