Growing demand for energy and care about natural environment is the motivation to find alternative sources of energy. One of them is biomass from cherry and morello cherry stones, which is food processing industry waste. Stones have fairly good physical properties regarding material for combustion. Cherry and morello cherry crop in Poland is at the level of 200 thousand tons yearly, and processing them generates a considerable amount of waste that consists of stones, which may be used for energy purposes. In the work, the initial water content (u), curves of combustion in different temperatures, percentage ash content, heat of combustion and percentage share of stone in the whole fruit were determined.
White Mulberry (Morus alba) as a natural source of antidiabetic compounds • Type 2 diabetes is becoming an increasingly common disease not only in the world but also in Poland. White mulberry is a promising plant material that can support pharmacological treatment of diabetes, unfortunately the lack of knowledge about the exact chemical composition and mechanism of action is a serious impediment and prevents its use in the form of medicine. The purpose of this study was to summarize the current knowledge about the role of three groups of white mulberry active substances (alkaloids, compounds with antioxidant properties and polysaccharides) in the treatment of type 2 diabetes. The compounds contained in the raw material have many mechanisms of antidiabetic action. 1-deoxynojirimycin-the alkaloid present in white mulberry leaf and fruit extracts has an α-glucosidase inhibitory effect, polysaccharides extracted from white mulberry leaves can effectively reduce hyperglycemia by inhibiting β cell apoptosis, and the antioxidant oxyresveratrol increases transcription of the glucose transporter (GLUT2).
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