Antioxidant Capacity and Antigenotoxic Effect of Hibiscus sabdariffa L. Extracts Obtained with Ultrasound-Assisted Extraction Process

Pozos, Gregorio Iván Peredo; Ruiz-López, M.; Nátera, Juan Francisco Zamora; Alvarez-Moya, Carlos; Ramírez, Lucía Barrientos; Silva, Mónica Reynoso; Macı́as, Ramón; García-López, P. M.; Cruz, Ricardo González; Pérez, Eduardo Salcedo; Radillo, J. Jesús Vargas

doi:10.3390/app10020560

Cited by 32 publications

(28 citation statements)

References 52 publications

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“…The purple rice is highly valued, particularly among the health-conscious consumers as a functional compound for human health among everyday sources of carbohydrate [12]. In other staple food crops, anthocyanin has been reported in purple maize, a variety that is rarely consumed in comparison with other non-staple food crops such as Brassica, Solanaceous species, and some edible flowers [13][14][15][16]. Additionally, anthocyanin can be directly taken from the concentrate in capsules for convenience, but this can be quite expensive [17,18].…”

Section: Introductionmentioning

confidence: 99%

The Potential of High-Anthocyanin Purple Rice as a Functional Ingredient in Human Health

Yamuangmorn

Prom‐u‐thai

2021

Antioxidants

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Purple rice is recognized as a source of natural anthocyanin compounds among health-conscious consumers who employ rice as their staple food. Anthocyanin is one of the major antioxidant compounds that protect against the reactive oxygen species (ROS) that cause cellular damage in plants and animals, including humans. The physiological role of anthocyanin in plants is not fully understood, but the benefits to human health are apparent against both chronic and non-chronic diseases. This review focuses on anthocyanin synthesis and accumulation in the whole plant of purple rice, from cultivation to the processed end products. The anthocyanin content in purple rice varies due to many factors, including genotype, cultivation, and management as well as post-harvest processing. The cultivation method strongly influences anthocyanin content in rice plants; water conditions, light quantity and quality, and available nutrients in the soil are important factors, while the low stability of anthocyanins means that they can be dramatically degraded under high-temperature conditions. The application of purple rice anthocyanins has been developed in both functional food and other purposes. To maximize the benefits of purple rice to human health, understanding the factors influencing anthocyanin synthesis and accumulation during the entire process from cultivation to product development can be a path for success.

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Section: Introductionmentioning

confidence: 99%

The Potential of High-Anthocyanin Purple Rice as a Functional Ingredient in Human Health

Yamuangmorn

Prom‐u‐thai

2021

Antioxidants

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“…Solvent polarity seems to play an important role in the extraction efficiency of phenols. As this study and others have shown, high polarity solvents such as methanol, ethanol, and water will be more efficient than non-polar ones [47]. Student s test was calculated between phenolic content and polarity (p = 0.057), and nonparametric test, Kruskal-Wallis was calculated (p = 0.497).…”

Section: Extract Composition Analysismentioning

confidence: 99%

Anthocyanins, Phenolic Compounds, and Antioxidants from Extractions of Six Eucalyptus Species

et al. 2021

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The leaves of Eucalyptus have multiple biological activities such as antimicrobial, antiseptic, antioxidant, and antifungal. A Soxhlet extraction, SLE, and HD were used to obtain extracts from the leaves of six Eucalyptus species, E. globulus, E. oblicua, E. pavaflora, E. camaldulensis, E. viminalis, and E. nitens, and to study their antioxidant capacity. Solvents such as acetone, dichloromethane, ethanol, hexane, methanol, and water were used to study how polarity influences extraction yields. The SLE method achieved higher or similar yields, depending on the species and its composition, than the Soxlet method at a temperature of 50 °C. The highest yields were obtained with E. viminalis with methanol (42.5 wt.%), the highest phenolic content was obtained with E. nitens with methanol (124.17 mg GAE/g of extract), and the highest anthocyanin levels obtained were with E. nitens with hexane (5.05 mg CC/g of extract). E. nitens obtained almost five times more phenolic content than E. globulus; therefore, it is the most promising species. The high content of the compounds analysed confirm the good potential of these species to obtain value-added compounds. Our results demonstrate that the differences in the extract contents depend on the polarity of the solvents used. In addition, the use of these species will reduce the residue in the forest, which is greatly beneficial.

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“…The DNA fragment migration patterns were evaluated with a fluorescence microscope at a magnification of 40× and with an excitation filter of 420-490 nm. The Komet-5 image analysis software developed by Kinetic Imaging, Ltd. (Liverpool, UK) was attached to a CCD [50,51].…”

Section: Comet Assay (Antimutagenic Test)mentioning

confidence: 99%

Protective Effect of Wheat and Barley Grass Against the Acute Toxicological Effects of the Concurrent Administration of Excessive Heavy Metals in Drinking Water on the Rats Liver and Brain

et al. 2021

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Heavy metal contaminated water is a great concern because of its high toxiciy, non-biodegradability, and bioaccumulation. Therefore, non-contaminated water is fundamental for a healthy life. Special attention is paid to the health-promoting ingredients of germinated whole cereal products. This study aimed to (1) examine the potentially harmful effects of Cu, Mn, and Zn on rat livers and brains, and (2) the potentially protective action of wheat and barley grasses against the expected harmful effects of these metals. The rats were treated with water contaminated by heavy metals (HMs) and germinated wheat and barley for 60 days. The rat liver functions and histopathological examinations were analyzed. Comet assay was evaluated to assess the damage in the DNA of rat livers and brains. The results indicated a significant alteration in liver functions in rats exposed to HMs; however, wheat and barley grasses at high doses decreased the harmful effects. An insignificant difference was noticed in total protein, albumin, and globulin of rats treated with HMs compared with the control. A significant increase in the serum and liver levels of HMs was recorded; however, they were reduced by wheat and barley grasses. Rat livers treated with HMs exhibited severe histological effects. The groups treated with wheat and barley grasses showed a normal liver architecture. A significant increase in DNA damage in the livers and brains was observed in rats treated with HMs, which was reduced when treated with wheat and barley grasses. Thus, using germinated seeds is promising to avoid damaging of HMs.

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Antioxidant Capacity and Antigenotoxic Effect of Hibiscus sabdariffa L. Extracts Obtained with Ultrasound-Assisted Extraction Process

Cited by 32 publications

References 52 publications

The Potential of High-Anthocyanin Purple Rice as a Functional Ingredient in Human Health

The Potential of High-Anthocyanin Purple Rice as a Functional Ingredient in Human Health

Anthocyanins, Phenolic Compounds, and Antioxidants from Extractions of Six Eucalyptus Species

Protective Effect of Wheat and Barley Grass Against the Acute Toxicological Effects of the Concurrent Administration of Excessive Heavy Metals in Drinking Water on the Rats Liver and Brain

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