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Pitaya peel is the main by-product during juice processing, which accounts for about 20–30% of the total weight. A growing body of evidence indicates that fresh pitaya peel is one rich sources of phenolic compounds. The present work firstly focused on microwave-assisted extraction (MAE) and HPLC analysis of polyphenols from pitaya peel as well as their anti-tumor effect. A simple and efficient MAE...
Perylenequinones are bioactive natural products characterized by a conjugated aromatic pentacyclic dione found in fungi, plants, insects (aphids), and animals (crinoids). Till now, a total of 24 perylenequinone derivatives had been identified from fungi. Bioassay-guided fractionation of the crude extract of the salty broth of Aspergillus fumigatus D endphytic on Edgeworthia chrysantha Lindl. led to...
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