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Effects of Different Drying Methods on the Chemical Components and Activities of Opisthopappus Taihangensis

SSRN, ISSN: 1556-5068
2024
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Article Description

Recent studies on Opisthopappus taihangensis have focused on its health-promoting properties, but detailed research on how different drying processes affect its metabolites and bioactivities is scarce. This study compared indoor shade drying, heat drying and freeze drying on the chemical profile and health-related activities of O. taihangensis. UPLC/Q-TOF-MS and various assays (DPPH, ABTS, FRAP) were used to evaluate changes in composition and antioxidant capacity, while antibacterial and enzyme inhibitory effects were also tested. Freeze-drying stood out, maintaining the highest levels of health-beneficial compounds like phenylpropanoids and showing superior antioxidant activities. Notably, significant correlations (P < 0.01) were found between total phenols, flavonoids, and antioxidant properties Freeze-dried O. taihangensis also displayed robust antibacterial activity against Streptococcus hemolyticus-β and the most effective inhibition of pancreatic lipase. The study concluded that the freeze-drying method proved to be the best way for preserving its health benefits, which is essential for its industrial application.

Bibliographic Details

Dongge Fan; Zhenzhen Liu; Yuanyuan Li; Yihao Chen; Xiaoxiao Zhang

Elsevier BV

Multidisciplinary; chrysanthemum; freeze-drying; metabolomics; antioxidant

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