The anti-amylolytic effects of polyphenols extracted from bracts and buds of Egyptian banana blossom wastes monitored by multispectral and molecular docking approaches | ||||
| Egyptian Journal of Chemistry | ||||
| Articles in Press, Accepted Manuscript, Available Online from 03 May 2024 | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejchem.2024.277733.9476 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Ibrahiem Khalifa  ; Aya Ashraf Sharoba1; Mohamed Khairy Morsy 2; Gala Ghazal1; Federica Blando3
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| 1Food Technology Department, Faculty of Agriculture, Benha University, 13736 Moshtohor, Egypt. | ||||
| 2Department of Food Technology, Faculty of Agriculture, Benha University | ||||
| 3Institute of Sciences of Food Production, CNR, Via Prov.le Lecce-Monteroni, 73100 Lecce, Italy. | ||||
| Abstract | ||||
| Banana blossoms (Bb) are by-products of bananas planting that are underutilized. We aimed at evaluating the nutritional value, polyphenolic content, antioxidant capacity, and an-ti-amylolytic effects of the Egyptian Bb, particularly buds and bracts. Results showed that bracts had a higher content of moisture, total ash, reducing and non-reducing sugars and crude fiber, while buds had a higher content of fat, protein, Na, K and P. Ca was the same in both buds and bracts. Both parts were rich in antioxidative polyphenols and crude dietary fiber. HPLC-PDA analysis showed that chlorogenic acid was the highest phenolic acid in both bracts and buds with values of 24.53 and 18.39 mg/g dry weight, respectively, followed by ferulic and gallic acids. The higher concentration (5 mg/mL) of bud extract inhibited both α-glu and α-amy by 79.63 and 93.58%, respectively; while bract extract inhibited α-glu and α-amy by 83.21 and 97.68%, respectively. Molecular docking results indicated that Bb ex-tract might work as an inhibitor to competition on both enzymes, with a single high-affinity binding site. In conclusion, promising results of this work imply that Bb are a valuable by-product of the banana industry and could be utilized as functional substances. | ||||
| Keywords | ||||
| Upcycling; Banana blossom; Polyphenols; Anti-amylolytic; Buds; Bracts | ||||
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