Biovalorization of Astragalus membranaceus var. mongholicus Stems by White Rot Fungi Under Solid-State Fermentation as Ruminant Feed
2025
Yu-Qiong Wang | Li-Long Luo | Li-Ming Chen | Chang-Long Gou
The value-added effect of white rot fungi on the feed of Astragalus membranaceus var. mongholicus (AMM) stems was explored. All four types of white rot fungi (Lentinus sajor-caju, Pleurotus ostreatus, Lentinula edodes, and Phanerodontia chrysosporium) reduced the lignocellulose content in AMM stems, improved in vitro dry matter digestibility (IVDMD), and influenced the activity of lignocellulose-degrading enzymes. Lentinus sajor-caju and Phanerodontia chrysosporium exhibited superior effects on lignin degradation and IVDMD and significantly altered non-volatile metabolites and antioxidant capacity. Lentinus sajor-caju fermentation resulted in the strongest antioxidant activity compared to that in the other fungal treatments. The fold change (FC) ratio (>:100) of sakuranetin, 2&prime:,6&prime:-Di-O-acetylononin, isoformononetin, and artocarpin was compared between Lentinus sajor-caju and Phanerodontia chrysosporium. Among the phenolic compounds, flavonoids play a key role in antioxidant activity, with 5,6-Dihydroxy-7-methoxyflavone showing a strong correlation with antioxidant activity. This study provides valuable insights for utilizing AMM stem waste in the context of traditional Chinese medicine.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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