In vitro antioxidant and antiproliferative activity of microwave-extracted green tea and black tea (Camellia sinensis): a comparative study

Shah, Sheeba; Gani, Adil; Ahmad, Mudasir; Shah, Asima; Gani, Asir; Masoodi, F.A.

doi:10.1007/s13749-015-0050-9

Cited by 16 publications

(9 citation statements)

References 37 publications

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“…The antioxidant effect of GTP and associated potential mechanisms were summarized in Table . In a study by Shah et al, green tea extract (GTE) was shown to be more effective than black tea extract likely due to the higher content in polyphenolic compounds found in green teas. In vitro, green tea EGCG was reported to reduce reactive oxygen species (ROS) levels, increase cell viability, and inhibit H 2 O 2 -induced cell apoptosis, which was mainly regulated via phosphorylation of Akt and JNK pathways. − …”

Section: Biological Activitiesmentioning

confidence: 99%

Recent Advances in the Understanding of the Health Benefits and Molecular Mechanisms Associated with Green Tea Polyphenols

Xing

Zhang

et al. 2019

J. Agric. Food Chem.

398

250

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Tea, leaf, or bud from the plant Camellia sinensis, make up some of the beverages popularly consumed in different parts of the world as green tea, oolong tea, or black tea. More particularly, as a nonfermented tea, green tea has gained more renown because of the significant health benefits assigned to its rich content in polyphenols. As a main constituent, green tea polyphenols were documented for their antioxidant, anti-inflammation, anticancer, anticardiovascular, antimicrobial, antihyperglycemic, and antiobesity properties. Recent reports demonstrate that green tea may exert a positive effect on the reduction of medical chronic conditions such as cardiovascular disease, cancer, Alzheimer’s disease, Parkinson’s disease, and diabetes. The health benefits of green teas, in particular EGCG, are widely investigated, and these effects are known to be primarily associated with the structure and compositions of its polyphenols. This Review focuses on the diverse constituents of green tea polyphenols and their molecular mechanisms from the perspective of their potential therapeutic function. Recent advances of green tea polyphenols on their bioavailability, bioaccessibility, and microbiota were also summarized in this article. Dietary supplementation with green tea represents an attractive alternative toward promoting human health.

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Section: Biological Activitiesmentioning

confidence: 99%

Recent Advances in the Understanding of the Health Benefits and Molecular Mechanisms Associated with Green Tea Polyphenols

Xing

Zhang

et al. 2019

J. Agric. Food Chem.

398

250

View full text Add to dashboard Cite

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Section: Antioxidant Activity Of Peanut Skin Extractmentioning

confidence: 99%

“…The antioxidant mechanism is depicted in Figure 6. Vitamin C, vitamin E, xanthophylls, carotenes, flavonoids, lignans, and stilbenes were the most common antioxidant-active compounds in the peanut skin [6,[66][67][68][69][70]. The free radical 2,2-diphenyl-1-picrylhydrazyl (DPPH) is commonly used to test compounds' ability to function as free radical scavengers and assess the antioxidant activity of antioxidant components [71].…”

Section: Antioxidant Activity Of Peanut Skin Extractmentioning

confidence: 99%

Valorization of Peanut Skin as Agricultural Waste Using Various Extraction Methods: A Review

et al. 2023

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Peanuts (Arachis hypogea) can be made into various products, from oil to butter to roasted snack peanuts and candies, all from the kernels. However, the skin is usually thrown away, used as cheap animal feed, or as one of the ingredients in plant fertilizer due to its little value on the market. For the past ten years, studies have been conducted to determine the full extent of the skin’s bioactive substance repertoire and its powerful antioxidant potential. Alternatively, researchers reported that peanut skin could be used and be profitable in a less-intensive extraction technique. Therefore, this review explores the conventional and green extraction of peanut oil, peanut production, peanut physicochemical characteristics, antioxidant activity, and the prospects of valorization of peanut skin. The significance of the valorization of peanut skin is that it contains high antioxidant capacity, catechin, epicatechin resveratrol, and procyanidins, which are also advantageous. It could be exploited in sustainable extraction, notably in the pharmaceutical industries.

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“…Green tea is a widely enjoyed drink that is more natural in comparison with black or white tea because it has not undergone the oxidation or whitening chemical processes (Cabrera, Artacho, & Giménez, 2006). The leaves of this plant have a high concentration of polyphenolic compounds known as "catechins" and so its extract exerts potent antioxidant activity in various tissues (Shah et al, 2015). Reports indicate that green tea can prevent oxidative stressinduced disorders as well as diabetic complications (Mustata et al, 2005;Sabu, Smitha, & Kuttan, 2002).…”

Section: Green Teamentioning

confidence: 99%

Protective effects of plant‐derived natural products on renal complications

Yaribeygi

Simental‐Mendía

Butler³

et al. 2018

Journal Cellular Physiology

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Diabetic nephropathy is the leading cause of renal failure worldwide. This debilitating disorder has several underlying pathophysiologic mechanisms, and therefore a variety of pharmacologic agents have been developed to prevent or treat diabetic nephropathy; however, synthetic drugs may possess unfavorable side effects. In response to this, the global use of herbal‐based pharmacologic agents is increasing among diabetic patients. Numerous studies have reported therapeutic benefits of herbal‐based compounds against diabetes‐induced renal dysfunction. These agents can prevent renal dysfunction and improve renal function by blocking or suppressing deleterious pathways such as oxidative stress, inflammation, apoptosis, necrosis, and nitric oxide deprivation that lead to vascular injuries. In the current study, we have reviewed the beneficial properties of the most common herbal agents used in renal complications and diabetic nephropathy.

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In vitro antioxidant and antiproliferative activity of microwave-extracted green tea and black tea (Camellia sinensis): a comparative study

Cited by 16 publications

References 37 publications

Recent Advances in the Understanding of the Health Benefits and Molecular Mechanisms Associated with Green Tea Polyphenols

Recent Advances in the Understanding of the Health Benefits and Molecular Mechanisms Associated with Green Tea Polyphenols

Valorization of Peanut Skin as Agricultural Waste Using Various Extraction Methods: A Review

Protective effects of plant‐derived natural products on renal complications

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