Bioactive compounds and antioxidant activity of Vitis vinifera and Vitis labrusca grapes: Evaluation of different extraction methods

Burin, Vívian Maria; Lima, Nayla Ferreira; Panceri, Carolina Pretto; Bordignon-Luiz, Marilde T.

doi:10.1016/j.microc.2013.12.014

Cited by 155 publications

(120 citation statements)

References 33 publications

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“…In contrast, quercetin was found only in the white grape extracts (WGS and WGP). The low flavonols content is in agreement with research by Burin and co-worker 33 , who found that V. vinifera and V. labrusca grapes had low concentrations of flavonol compounds. The flavonoids found in the grape seed about of 69.16% of the individual phenolics compounds for an average.…”

Section: Hplc Identification and Quantificationsupporting

confidence: 92%

Phytochemical and Antioxidant Activity in Seeds and Pulp of Grape Cultivated in Thailand

Wongnarat¹,

Srihanam²

2017

Orient. J. Chem

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In this work, the seeds and pulp extracts of red and white grapes cultivated in Thailand had determined. The phenolic contents (total phenolic, flavonoid, proanthocyanidin and total saponin contents) were strongly positively correlated with the antioxidant activities which analyzed by different method (DPPH and ABTS radical-scavenging, FRAP and CUPRAC). The red grape seeds (RGS) showed the highest activity and polyphenol content among the sample types. According to the RP-HPLC analysis, the RGS had the highest catechin, epicatechin, myricetin, gallic acid, caffeic acid and ferulic acid levels. The obtained results confirmed that Thai grapes are a good source of phytochemicals and grape extracts should be developed as health supplement products.

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Section: Hplc Identification and Quantificationsupporting

confidence: 92%

Phytochemical and Antioxidant Activity in Seeds and Pulp of Grape Cultivated in Thailand

Wongnarat¹,

Srihanam²

2017

Orient. J. Chem

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“…Other studies also verified that the grapes antioxidant activity depends on their phenolic composition (Burin et al, 2014;Rockenbach et al, 2011). However, it has been observed that the absence of correlation and negative correlation can occur between the content of polyphenols and the antioxidant activity (Nixford and Hermanosín-Gutiérrez, 2010).…”

Section: Discussionmentioning

confidence: 87%

Shoot topping of ‘Niagara Rosada’ grapevine grafted onto different rootstocks

Silva¹,

Paiva²,

Pimentel³

et al. 2018

Aust J Crop Sci

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Vineyard cultural practices may influence amount of sugars, acids, phenolic compounds and antioxidant activity of grapes. Thus, the purpose of this study was to evaluate the effect of different shoot topping levels on the chemical characteristics of the grapes during its maturation, yield and the physicochemical characteristics and phenolic compounds of 'Niagara Rosada' grapevine grafted onto different rootstocks. The experiment was conducted in a 2-year-old vineyard of Niagara Rosada cultivar in Southeast of Brazil. The vines were trained on a unilateral cordon system in a vertical shoot positioning. The manual shoot topping was carried by leaving 6, 7, 8 or 9 leaves above the last cluster. Vines were topped 60 days after pruning, when the vines were in the beginning of bunch closure. All vines were grafted onto 'IAC 766' and 'IAC 572' rootstocks. Fruit maturation curve, yield and physicochemical grapes characteristics were analyzed to determine the effects of shoot topping levels and rootstocks. The rootstocks and the different shoot topping levels did not influence the yield, productivity and cycle duration of 'Niagara Rosada' grapevines. Larger and heavier clusters and berries were harvested from vines grafted on 'IAC 766' rootstock. However, grapes harvested from grapevines grafted on 'IAC 572' rootstock presented higher total anthocyanins content. The shoot topping carried out with 7 or 8 leaves above the latest cluster provided higher sugars, total polyphenols content and antioxidant activity.

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“…Few studies have dealt with the influence of ultrasound on the resveratrol extraction efficiency from grapes (Burin et al 2014;Babazadeh et al 2017). The ultrasonication-assisted extraction of resveratrol showed more efficiency than the conventional solvent extraction with 80% ethanol at 60°C for 30 min.…”

Section: Isolation and Identification Of Stilbenes In Edible Berriesmentioning

confidence: 99%

The stilbene profile in edible berries

2018

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Edible berries are becoming increasingly popular to consume in fresh, dried, frozen or processed forms due to their high content and wide diversity of bioactive compounds with considerable health benefits. Among the wide variety of phytochemicals found in berries are stilbenes, which demonstrate a broad range of biological and pharmacological activities. Their content depends on many factors, including the cultivar, ripening stage, climatic conditions, agronomic management, storage conditions and postharvest management. However, the application of various abiotic and biotic external stimuli could be a strategy for increasing the production of stilbenes in edible berries. To date, several different elicitors, as inducers of plant secondary metabolite stilbenes, have been applied in different studies. This review focuses on the isolation and identification of stilbenes from edible berries and presents the influence of different external stimuli on their profile in grapes.

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Bioactive compounds and antioxidant activity of Vitis vinifera and Vitis labrusca grapes: Evaluation of different extraction methods

Cited by 155 publications

References 33 publications

Phytochemical and Antioxidant Activity in Seeds and Pulp of Grape Cultivated in Thailand

Phytochemical and Antioxidant Activity in Seeds and Pulp of Grape Cultivated in Thailand

Shoot topping of ‘Niagara Rosada’ grapevine grafted onto different rootstocks

The stilbene profile in edible berries

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