![]() An efficient and friendly process for recovery of those biocompounds is supercritical fluid extraction, being this technology also recommended to obtain essential oils from orange peel and other citruses.Ībstract = "Mandarin (Clementina orogrande) peel was dried by vacuum drying (VD) and convective drying (CD). The presence of polyphenols in mandarin peel may be recovered for adding value to this by-product. Practical applications: Mandarin (Clementine orogrande) peel is an important source of polyphenols that are related to beneficial health properties. Thus, the obtained oil extract from dried mandarin peel could be used by the food industry, reducing and giving added value to this waste. ![]() There were identified seven phenolic compounds, where hesperidin was the main flavonoid compound. ![]() The best extracting condition was obtained using 10% ethanol and at 40 or 50☌. The total phenolic content (TPC) and antioxidant activity by 2,2-diphenyl-1-picryl-hydrazyl (DPPH) and oxygen radical absorbance capacity (ORAC) assays were evaluated. Oil extraction was carried out by supercritical fluid extraction (SFE) using CO 2, and CO 2 with 5 and 10% ethanol as a co-solvent The extraction conditions were at 300 and 400 bar, and temperatures of 40 and 50☌, respectively. Mandarin (Clementina orogrande) peel was dried by vacuum drying (VD) and convective drying (CD).
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