Optimization of Spray Drying Processing of Filtrable Roxburgh rose Juice by Response Surface Analysis

Filtrable Roxburgh rose juice and maltodextrin were selected as the raw materials and Roxburgh rose powder was prepared by the spray drying technology. The amount of vitamin C, flavone and polyphenol and sensory test score were taken as the indicators. The optimal spray drying processing of filtrabl...

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Veröffentlicht in:Shipin gongye ke-ji 2023-06, Vol.44 (11), p.204-210
Hauptverfasser: Kai LI, Su XU, Yunhe CHANG, Jianjun FEI, Shunyou CEN, Dalong CHEN, Lizhi MA
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Sprache:chi
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Zusammenfassung:Filtrable Roxburgh rose juice and maltodextrin were selected as the raw materials and Roxburgh rose powder was prepared by the spray drying technology. The amount of vitamin C, flavone and polyphenol and sensory test score were taken as the indicators. The optimal spray drying processing of filtrable Roxburgh rose juice was investigated by the single factor experiment and response surface analysis. The single factor experiment demonstrated that the optimal application amount of maltodextrin was 15%. In addition, the optimal inlet air temperature and flow rate was 165 ℃ and 1.5 L/h, respectively. The response surface analysis proved that the optimal spray drying processing of filtrable Roxburgh rose juice was as followings: the amount of maltodextrin was 15%, the optimal inlet air temperature and flow rate were 160 ℃ and 1.5 L/h, separately. The Roxburgh rose powder, which was produced by the above optimal processing method and recipe, contained 6722.02 mg/100 g of vitamin C, 1904.02 mg/100 g of flavone, 8122.
ISSN:1002-0306
DOI:10.13386/j.issn1002-0306.2022070313