The recent era is witnessing evaluation of medicinal and nutritional value of fruits and fruit juices for the management and prevention of brain diseases like headache stress, anxiety, hypertension, and Alzheimer's and Parkinson's diseases by the scientists and researchers worldwide. Fruits possess various chemicals such as antioxidants and polyphenols, which reduce and balance the effect of hormone in brain responsible for brain disease. Natural remedy is cheap, easily available, nontoxic, and easy to prepare and provides good mental health as compared to other remedies. The main objective of this review is to acknowledge medicinal benefits of fruits for the cognition and management of brain disease.
Antioxidant and free radical scavenging effect of black tea theaflavins has been shown in many epidemiological studies. In the present work we report the protective mechanism of tea theaflavins on biomarkers of oxidative stress, which are elevated during stress conditions. We hereby report the in vitro effect of theaflavins on erythrocyte malondialdehyde (MDA), intracellular reduced glutathione (GSH), and plasma membrane redox system (PMRS) of rats. The effect of theaflavin on PMRS has also been validated through an in silico docking simulation study using Molegro Virtual Docker (MVD). We report that theaflavins show significant protection to erythrocyte against oxidative stress induced by tert-butyl hydroperoxide (t-BHP). The findings suggest a possible protective role of theaflavins as antioxidant.
Breast cancer stem cells are well known to resist the traditional methods like chemo and radio therapy. Aldehyde dehydrogenase 1 (ALDHIA1) and glycogen synthase kinase-3 β (GSK-3β) are the two selected proteins for study, due to their overexpression and upregulation in breast cancer cells. Curcumin, the yellow pigment of the spice turmeric, is widely reported as an antioxidant and acts as a synergist along with traditional drugs. Under hypoxic conditions, it gets converted to free radical which causes apoptosis. Three naturally occurring curcuminoids, i.e. curcumin, demethoxycurcumin, and bisdemethoxycurcumin along with five derivatives/analogues of curcumin, viz. 4,4'-di-O-(carboxy-methyl)-curcumin, 4-O-(2-hydroxyethyl)curcumin, 4,4'-di-O-allyl-curcumin, 4,4'-di-O-(acetyl)-curcumin, and 3,3'-bisdemethylcurcumin were synthesized and evaluated for their anti-breast cancer potential by docking simulation and assessment of their antioxidant character, studied via 2, 2'-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS(·+)) radical cation scavenging assay, 2,2-diphenyl-1-picrylhydrazyl (DPPH·) radical, and ferric reducing ability potential (FRAP) assay. A co-relation between structure and activity of curcuminoids/its analogues and derivatives has been worked out.
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