Comparison of different drying technologies for brocade orange (Citrus sinensis) peels: Changes in color, phytochemical profile, volatile, and biological availability and activity of bioactive compounds

Wang, Z.; Tao, Zhong; Mei, Xiaofei; Chen, Xuhui; Chen, Guangjing; Rao, Shengqi; Zheng, Xizhong; Yang, Zhenquan

doi:10.1016/j.foodchem.2023.136539

Cited by 6 publications

(2 citation statements)

References 35 publications

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“…Cellulose, hemicellulose, and pectin are the most important ponents. Several authors have reported different ways to upgrade and obtain diff value-added products and extract bioactive compounds in stand-alone processes an orefinery configurations [13][14][15] Oranges have been used to produce several food products (e.g., juice) at the industrial level [10]. Thus, large amounts of OPW are produced worldwide without a specific treatment or valorization route (i.e., 24 million tons of OPW) [11].…”

Section: Introductionmentioning

confidence: 99%

“…Cellulose, hemicellulose, and pectin are the most important components. Several authors have reported different ways to upgrade and obtain different value-added products and extract bioactive compounds in stand-alone processes and biorefinery configurations [13][14][15]. Higher yields have been reported by applying different extraction methods such as solvent extraction, ultrasound-assisted extraction, microwaveassisted extraction, and supercritical fluids [16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

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Orange Peel Waste as a Source of Bioactive Compounds and Valuable Products: Insights Based on Chemical Composition and Biorefining

Ortiz-Sanchez,

Cardona Alzate,

Solarte-Toro

2024

Biomass

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Few valorization pathways have been implemented as alternatives to reduce the orange peel waste (OPW) disposal in landfills. OPW can be a source of income or economic savings in juice production factories since this waste is a potential source of value-added products (e.g., bioactive compounds) and energy vectors (e.g., biogas). Valorization alternatives should be based on (i) orange peel chemical composition, (ii) market analysis, and (iii) availability. Nevertheless, few literature papers have highlighted the chemical composition change caused by the different juice production schemes as a potential opportunity to obtain different value-added products and biorefinery schemes. Thus, the aims of this review paper are related to (i) reviewing different orange fruit processing pathways, (ii) analyzing several OPW chemical compositions reported in the open literature, (iii) providing a summary of OPW extraction pathways for bioactive compounds production, and (iv) evaluating the effect of applying different extraction methods on bioactive compound extraction performance. This review includes a description of the OPW matrix, market insights, packaging, physicochemical characterization, processing technologies, and suggested biorefinery approaches. Finally, different extraction methods for obtaining bioactive compounds from OPW are compared. As a result, the supercritical fluid extraction process has the highest extraction performance and selectivity since this method extracted a high amount of hesperidin (8.18 g/kg OPW db.). In conclusion, OPW is a source of bioactive compounds and valuable products that can be introduced in juice-producing factories to increase product portfolio or economic savings by changing the energy matrix.

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