Citric Acid Changes the Fingerprint of Flavonoids and Promotes Their Accumulation in IPhellinus igniarius/I Quél

Phellinus igniarius is a valuable medicinal fungus. P. igniarius is rich in a variety of chemical compounds with medicinal value, among which are flavonoids. Therefore, increasing the content of flavonoids in P. igniarius is beneficial for its potential use in medicinal applications. This study demo...

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Veröffentlicht in:Life (Basel, Switzerland) Switzerland), 2022-12, Vol.13 (1)
Hauptverfasser: Dong, Haoran, Chen, Hui, Xu, Bing, Tan, Yingru, Ling, Qun, Shi, Liang
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Sprache:eng
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Zusammenfassung:Phellinus igniarius is a valuable medicinal fungus. P. igniarius is rich in a variety of chemical compounds with medicinal value, among which are flavonoids. Therefore, increasing the content of flavonoids in P. igniarius is beneficial for its potential use in medicinal applications. This study demonstrated that exogenous treatment with citric acid (CA) could significantly increase flavonoid accumulation in P. igniarius. Additionally, we found that CA induced the biosynthesis of flavonoids in a concentration- and time-dependent manner. The flavonoid content could be increased up to 60.96 mg/g when using the treatment with 2.77 mM citric acid for 69.74 h, which was determined by using the response surface method. The changes in the fingerprint profiles of P. igniarius flavonoids with the treatment of CA as an exogenous inducer were also analyzed. In this study, the effect of citric acid as the exogenous inducer on the flavonoid content of P. igniarius was studied, and the processing conditions were optimized through the surface response curve. This approach provides novel insights and a theoretical basis for the production of high-quality P. igniarius.
ISSN:2075-1729
2075-1729
DOI:10.3390/life13010068