Hazelnut fruits are often processed for different products, such as oil, chocolate truffles, confectionary, and salad dressing, resulting in so-called hazelnut processing by-products (HPB), including peel, cake, nutshell, starch, and other solids. Generally, it contains 55?65% oil, 12?15% protein, and 10?16% carbohydrates.
What is commercial hazelnut processing?
Commercial hazelnut processing is a complex process that involves several different steps and pieces of equipment. What are hazelnuts? How Do You Preserve Hazelnuts? Are Hazelnut Shells Good For Anything? Can you eat hazelnuts straight from the tree? Hazelnuts are just another type of nut. It is native to the northern hemisphere.
How to process hazelnuts?
For commercial hazelnut processing, you must acquire an industrial shell cracker. It is a relatively simple machine transporting the nuts through the narrow gap. If any unbroken hazelnuts are left, they must be screened and poured into the machine again. The machine operator must adjust the crusher gap accordingly before the shell is broken again.
How is hazelnut oil extracted?
The extraction of hazelnut oil (HO) is done by numerous processes such as high-pressure processing, solvent extraction, and pressing techniques [ 4 ]. In addition, hazelnut kernel, cuticle layer, hard shell, green leafy core, and tree leaves are the by-products of hazelnuts that have received limited attention [ 5 ].