Abstract: The present disclosure provides a method for processing coffee waste, the method comprises (i) subjecting an aqueous mixture comprising particulated coffee waste and an aqueous medium to hydrothermal conditions, to obtain a coffee waste slurry including particulates; and (ii) separating at least part of the particulates from said coffee waste slurry, to obtain a coffee waste product; wherein, said hydrothermal conditions comprise a temperature above 170° C.; and a pressure equal or above 1 MPa. Further provided by the present disclosure is a coffee waste product comprising in an aqueous sample volume of 1 liter any one or combination of the following characteristics: total antioxidant capacity from about 6000 and about 8000 mg Fe(II) eq., total phenolic content from about 2000 and about 3000 mg gallic acid (GA) eq., and total furfural compounds content from about 1000 ppm and 2000 ppm.

Abstract: Use of brown melanoidins in compositions and methods to protect plants against a wide variety of non-fungal pests is disclosed. In some exemplary embodiments of the invention, the plants are nightshades, for example tomato. In some exemplary embodiments of the invention, the plants are cucurbits, for example cucumber. Alternatively or additionally, in some embodiments the pests are selected from the group consisting of viruses, bacteria, oomycetes, and arthropods.