Solvent effects on phenolic content, composition, and antioxidant activity of extracts from florets of sunflower (Helianthus annuus L.)

Ye, Fayin; Liang, Qiang; Li, Hang; Zhao, Guohua

doi:10.1016/j.indcrop.2015.07.063

Cited by 67 publications

(44 citation statements)

References 37 publications

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“…In contrast, the antioxidant potential of the aqueous extracts determined by the F-C method was not high, except in the total polyphenol content in the white grapefruit albedo extracts. Ye et al (2015) also confirmed the effects of the solvent and its concentration on the antioxidant potential of plant extracts. Based on studies of the antioxidant activity of sunflower florets extract, they postulated that solvent polarity had an effect on the antioxidant potential of extracts, including the polyphenol content.…”

Section: Discussionsupporting

confidence: 60%

The antioxidant potential of flesh, albedo and flavedo extracts from different varieties of grapefruits [pdf]

Muzykiewicz¹,

Zielonka-Brzezicka²,

Klimowicz³

2019

Acta Sci Pol Technol Aliment

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Background. The supplementation of antioxidants, in particular those of plant origin, may help to prevent the development of diseases caused by oxidative stress. Therefore, it is important to study plants for their antioxidant contents. Up to now, only a few reports on the antioxidant activity of different varieties and parts of grapefruit have been published. Therefore, the aim of this study was to evaluate the antioxidant potential of different parts and varieties of grapefruit. Moreover, the impact of different extraction parameters on the activity of the obtained extracts was estimated. Materials and methods. Extracts of albedo, flavedo and flesh from three varieties of grapefruit -red, white and sweetie -were obtained using ultrasound-assisted extraction (time -5, 10, 15 and 30 minutes; solventsdistilled water as well as 20, 40, 70 and 96% (v/v) ethanol). The samples were evaluated using the DPPH, ABTS, FRAP and Folin-Ciocalteu methods. Results. The extracts of peel (in particular, those of albedo) showed higher antioxidant potential than the samples of flesh. In the majority of cases, the highest potential in the group of flesh and flavedo extracts was observed in the sweetie samples. The highest activity in the group of albedo samples was found in the white grapefruit extracts. Parameters such as the type of solvent and the extraction time had an impact on the antioxidant activity of the obtained extracts. Conclusion. Grapefruit, in particular their peels, could be valuable sources of natural antioxidants. However, more detailed studies on the antioxidant properties of the studied plants are required. Flesh -albedo z = 7.651, p < 0.0001 Flesh -flavedo z = 4.768, p < 0.0001 Albedo -flavedo z = 7.453, p < 0.0001 White grapefruit Flesh -albedo z = 7.700, p < 0.0001 Flesh -flavedo z = 6.437, p < 0.0001 Albedo -flavedo z = 7.170, p < 0.0001 Sweetie Flesh -albedo z = 7.276, p < 0.0001Flesh -flavedo z = 6.651, p < 0.0001Albedo -flavedo z = 6.767, p < 0.0001Red -white z = 3.919, p < 0.0001Red -sweetie z = 3.074, p < 0.001White -sweetie NS NS -not statistically significant (p > 0.05).

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Section: Discussionsupporting

confidence: 60%

The antioxidant potential of flesh, albedo and flavedo extracts from different varieties of grapefruits [pdf]

Muzykiewicz¹,

Zielonka-Brzezicka²,

Klimowicz³

2019

Acta Sci Pol Technol Aliment

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“…In light of previous studies, difference in polarities of extracting solvents might influence the solubility of chemical constituents in a sample and the extraction yield (Zhao et al 2006;Ye et al 2015). Phenolic compounds have received considerable attention because of their physiological functions, including antioxidant activity.…”

Section: Resultsmentioning

confidence: 99%

“…It is well documented that no single solvent can work on all phenolic compounds from food owing to their different solubility and polarity. In light of previous studies, difference in polarities of extracting solvents might influence the solubility of chemical constituents in a sample and the extraction yield (Zhao et al 2006;Ye et al 2015). Therefore, NFRB and CFRB were extracted with solvent systems of four different polarities.…”

Section: Resultsmentioning

confidence: 99%

Solid‐State Bioprocessing with Cordyceps militaris Enhanced Antioxidant Activity and DNA Damage Protection of Red Beans (Phaseolus angularis)

et al. 2016

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Cereal Chem. 94(2):177-184In this study, red beans were bioprocessed by using a novel solidstate fermentation (SSF) with an edible and medical filamentous fungus Cordyceps militaris. The effect of SSF on the total phenolic content (TPC), antioxidant activity, and DNA damage protection of red beans was determined. Furthermore, solvents with different polarities (80% methanol, 80% ethanol, 80% acetone, and deionized water) were used to extract antioxidant compounds from the red bean samples. The results indicated that SSF significantly enhanced TPC, 2,2-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt radical cation scavenging activity, reducing power, and chelating ability of red beans. Furthermore, this study also demonstrated that fermented red beans exhibited greater protection against oxidative DNA damage than nonfermented red beans. Besides, the water extract of fermented red beans showed the highest TPC, antioxidant activity, and DNA damage protection among the various extracts examined. For the specific phenolics profile, HPLC analysis was performed, which showed that gallic acid, chlorogenic acid, p-hydroxybenzoic acid, syringic acid, ferulic acid, daidzein, quercetin, and genistein of red beans were increased during SSF. There was a positive correlation among phenolic compounds, antioxidant activity, and DNA damage protection. Thus, this study demonstrated that SSF with C. militaris is an effective method for the enhancement of phenolic compounds, antioxidant activity, and DNA damage protection of red beans.

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“…The choice of the extraction solvent is very important for the recovering of phenolic compounds in plant matrix [25]. Common solvents including ethanol, methanol, acetone, and ethyl acetate have been widely used for the extraction of nature antioxidants in plant matrix [26,27].…”

Section: Total Phenolic Content and Total Flavonoid Contentmentioning

confidence: 99%

HPLC-ESI-qTOF-MS/MS Characterization, Antioxidant Activities and Inhibitory Ability of Digestive Enzymes with Molecular Docking Analysis of Various Parts of Raspberry (Rubus ideaus L.)

Liu

Qin

et al. 2019

Antioxidants

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The anti-oxidative phenolic compounds in plant extracts possess multiple pharmacological functions. However, the phenolic characterization and in vitro bio-activities in various parts of raspberry (Rubus idaeus L.) have not been investigated systematically. In the present study, the phenolic profiles of leaves (LE), fruit pulp (FPE), and seed extracts (SE) in raspberry were analyzed by HR-HPLC-ESI-qTOF-MS/MS method, and their antioxidant activities and digestive enzymes inhibitory abilities were also investigated. The molecular docking analysis was used to delineate their inhibition mechanisms toward type II diabetes related digestive enzymes. Regardless of LE, FPE, or SE, 50% methanol was the best solvent for extracting high contents of phenolic compounds, followed by 50% ethanol and 100% methanol. The LE of raspberry displayed the highest total phenolic content (TPC) and total flavonoid content (TFC). A total of nineteen phenolic compounds were identified. The quantitative results showed that gallic acid, ellagic acid, and procyanidin C3 were the major constituents in the three extracts. The various parts extracts of raspberry all exhibited the strong antioxidant activities, especially for LE. Moreover, the powerful inhibitory effects of the three extracts against digestive enzymes (α-glucosidase and α-amylase) were observed. The major phenolic compounds of the three extracts also showed good inhibitory activities of digestive enzyme in a dose-dependent manner. The underlying inhibitory mechanisms of the main phenolic compounds against digestive enzymes were clarified by molecular docking analysis. The present study demonstrated that the various parts of raspberry had strong antioxidant activities and inhibitory effects on digestive enzymes, and can potentially prevent oxidative damage or diabetes-related problems.

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Solvent effects on phenolic content, composition, and antioxidant activity of extracts from florets of sunflower (Helianthus annuus L.)

Cited by 67 publications

References 37 publications

The antioxidant potential of flesh, albedo and flavedo extracts from different varieties of grapefruits [pdf]

The antioxidant potential of flesh, albedo and flavedo extracts from different varieties of grapefruits [pdf]

Solid‐State Bioprocessing with Cordyceps militaris Enhanced Antioxidant Activity and DNA Damage Protection of Red Beans (Phaseolus angularis)

HPLC-ESI-qTOF-MS/MS Characterization, Antioxidant Activities and Inhibitory Ability of Digestive Enzymes with Molecular Docking Analysis of Various Parts of Raspberry (Rubus ideaus L.)

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