Abstract
Alzheimer’s diseases (AD) is prevalent and is characterized by memory deficits/loss which became prevalent in age old persons and much research is focused to develop new inhibitors for pathogenic marker proteins in the treatment. The scientific evidence strongly supports that the herbal medicine is highly effective on the AD and much research is in advancement on the cholinesterase inhibitors and their usage. Since the dawn of civilization, many plants were used for nervous disorders as memory boosters and rejuvenator even as aphrodisiacs in treatment of epilepsy, weakness, anxiety, etc.. The advent of scientific methodologies the natural medicaments were studied and evaluated scientifically and developed as potential pharmaceuticals and commercialized. The present review emphasizes the phytochemicals, especially the phenolic compounds which include flavonoids, coumarins, lignans, polyphenolics and its glycosides. These compounds exert preventive mechanism in age-related disorders by involving antioxidant activity or signaling cascades. The phenolics of Camellia sinensis, (Tea), Curcuma longa (Turmeric), Vitis vinifera (grape), etc. were taken directly as ingredients in the food, whereas the other plants were given as medicaments. Among these, Epigallocatechin gallate from Tea, curcumin from the turmeric, resveratrol from grape, baicalin from Scutellaria baicalensis, caffeoylquinic acids from Centella asiatica, rosmarinic acid from Melissa officinalis, etc. were well established and studied to prove its molecular mechanisms, which were discussed in detail.
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Md. Bhakshu, L., Venkata Ratnam, K., Venkata Raju, R.R. (2022). Preventive Role and Mechanism of Herbal Medicine in Alzheimer’s Disease with Special Reference to Phenolic Compounds. In: Rajagopal, S., Ramachandran, S., Sundararaman, G., Gadde Venkata, S. (eds) Role of Nutrients in Neurological Disorders. Nutritional Neurosciences. Springer, Singapore. https://doi.org/10.1007/978-981-16-8158-5_17
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