Review Article
Flavonoids as Promising Neuroprotectants and Their Therapeutic Potential against Alzheimer’s Disease
Table 2
Role of flavonoids in Alzheimer’s disease.
| S. no. | Flavonoids | Study model | Reported dose | Route of administration | Natural source | Outcome of the studies | Reference |
| 1. | Epigallocatechin-3-gallate | APPswe/PS1dE9 mice | 40 mg/kg | Oral | Green tea | Decreases Aβ plaques, neuroinflammation, increases memory and learning | [81] | 2. | Cocoa flavonols | Human | 550 mg, 994 mg | Oral | Dark chocolate | Improve cognitive function | [82] | 3. | Apigenin, luteolin, kaempferol, quercetin | Human | 2 gm to 20 gm | Oral | Parsley | Bioavailability, antioxidative, and biomarker | [83] [84] | 4. | Hesperidin, neohesperidin, naringenin, quercetin, rutin, etc. | Human | 3-5 citrus per week | Oral | Citrus | Lower the risk of dementia | [85] | 5 | Flavanone | Human | Daily for 8 weeks | Oral | Orange | Cognitive benefits | [86] | 6. | Combination of quercetin and dasatinib | Clinical trial in AD patients | — | Oral | Apple, honey, onion, citrus fruits | — | NCT04063124, NCT04785300, NCT04685590 | 7. | Epigallocatechin gallate | Clinical trial on AD patients | — | Oral | Tea, fruits, nuts | | NCT03978052 |
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