ISSUE FOCUS 32 FEED & ADDITIVE MAGAZINE September 2024 the peel via expression, a specific physical process. Other methods, like supercritical carbon dioxide extraction, are efficient but not recognized as essential oils in Europe. TYPES OF ESSENTIAL OILS • All-natural oils: Made from the origin plant or its parts, maintaining the natural ratio of ingredients. • 100% natural oils: Mixtures of different all-natural oils without synthetic additives. • Synthetic oil: Single-type EO produced chemically. • Nature-identical EO: Blends of synthetic oils that mimic the natural chemical makeup. • Combination oils: Mixture of natural and nature-identical oils. Fractionated essential oils separate individual active compounds, and synthetic EOs are used to reduce production costs and environmental pressure. RESEARCH IN ESSENTIAL OILS FOR THE FUTURE ANIMAL PRODUCTION EOs are known for their palatability enhancing properties. However, research has shown that Eos may exert antimicrobial effects, anti-inflammatory purposes, and more. Encapsulation protects EOs from temperature, humidity, and pressure, improving handling, safety, and efficacy. Technologies like spray drying and fluidized bed coating reduce activity losses of the active compounds, improve shelf life, and enhance efficacy, bypassing the rumen for specific applications. DELACON'S RESEARCH AND DEVELOPMENT PROCESS Delacon tests EOs in ruminants to evaluate their potential in various situations. For that we have followed this research and development process in the figure 3. The research process includes literature reviews and specific methodologies (in vitro, ex vivo, in silico) to test individual active substances and their synergies before animal trials. EOs target different aspects of animal production: • Nutrient metabolism: To improve the feed effiLiterature Screening for substances and prototype formulation Verification and demonstration Production and quality management End-user State of the art In vitro In silico Ex vivo In vivo.. In vivo trials in experimental facilities and in commercial farms Standardized production Quality check Traceability Figure 3. Research and development process inside Delacon
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