Antioxidants and other chemical and physical characteristics of two strawberry cultivars at different ripeness stages

Pineli, Lívia de Lacerda de Oliveira; Moretti, Celso Luiz; Santos, Marcos Sebastião dos; Campos, Alinne Bezerra; Brasileiro, Andréia V.; Córdova, Andressa C.; Chiarello, Marileusa D.

doi:10.1016/j.jfca.2010.05.004

Cited by 148 publications

(123 citation statements)

References 19 publications

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“…Vitamin C is considered an important nutritional component in strawberries and may present variations in content among cultivars and as a function of environmental conditions (Pineli et al, 2011). The average vitamin C content found in 'Camino Real' strawberries in the present study (71.95mg 100 g -1 ) was higher than that reported by Pineli et al (2011) (46.58mg 100 g -1 ).…”

Section: Resultscontrasting

confidence: 73%

Cassava starch edible coating incorporated with propolis on bioactive compounds in strawberries

et al. 2016

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Strawberry is a fruit appreciated throughout the world due to its attractive quality attributes and stands out due to its high phenolic compound content, which positively contribute to biological properties of nutritional interest. The objective of this study was to evaluate the effect of cassava starch coatings incorporated with propolis combinations on the phytochemical content and the maintenance and increase of the strawberry antioxidant activity. The treatments were 3% cassava starch (CS), 3% cassava starch + 33% ethanolic propolis extract (CS + P33%), 3% cassava starch + 66% ethanolic propolis extract (CS + P66%) and control (C). The fruits were stored at 4 °C ± 0.5 ºC and 90%RH for 16 days, making up a completely randomized design with 4 treatments and 5 time evaluations. Vitamin C, phenolic compound, anthocyanin, and antioxidant activity levels were evaluated through two methods. The coating with 66% of propolis promoted higher Vitamin C content than fruits submitted to the other treatments at 8 and 12 days of storage. For antioxidant activity, fruits treated with CS maintained a higher FRS percentage (free radical scavenging) at all time evaluations. Control fruits presented higher anthocyanin content at the last evaluation time when the highest antioxidant capacity, by the ABTS method (2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid)), was observed in fruits with CS and CS + P66% treatments. There was an increase tendency of the phenolic content during storage in all evaluated fruits. The propolis concentrations used, however, were not sufficient to increase or maintain the antioxidant capacity and phenolic contents of strawberries.Index terms: Phytochemicals; antioxidant; Fragaria ananassa. RESUMOO morango é um fruto muito apreciado em todo o mundo por apresentar atributos de qualidade atrativos para o consumidor e destacase por seu alto conteúdo de compostos fenólicos, contribuindo, positivamente, para propriedades biológicas de interesse nutricional. Objetivou-se, neste estudo, avaliar o efeito de combinações do revestimento de fécula de mandioca incorporado com própolis, sob o conteúdo de fitoquímicos e na manutenção e incremento da atividade antioxidante de morangos. Os tratamentos utilizados foram fécula de mandioca 3% (CS), fécula de mandioca 3% + extrato etanólico de própolis 33% (CS + P33%), fécula de mandioca 3% + extrato etanólico de própolis 66% (CS+P66%) e controle (C), sendo os frutos armazenados a 4 ºC ± 0,5 ºC e UR90% por 16 dias, perfazendo um delineamento inteiramente casualizado com 4 tratamentos e 5 tempos de avaliação. Avaliaram-se teores de vitamina C, compostos fenólicos totais, antocianinas e atividade antioxidante, por dois métodos. O revestimento com 66% de própolis promoveu maior conteúdo de Vitamina C que os frutos submetidos a outros tratamentos aos 8 e 12 dias. Para a atividade antioxidante, frutos tratados com CS mantiveram maior %SRL (sequestro de radicais livres) em todos os tempos de avaliação. Frutos controle apresentaram maior teor de antocianinas no ú...

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Section: Resultscontrasting

confidence: 73%

Cassava starch edible coating incorporated with propolis on bioactive compounds in strawberries

et al. 2016

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“…Methanol crude extract from Soxhlet method has proven to be the best and suitable method for extraction from the stems of A. obesum for its antioxidant compounds. Similar several reports were available for other plant species [17][18][19][20] .…”

Section: Discussionsupporting

confidence: 78%

Evaluation of in vitro antioxidant potential of different polarities stem crude extracts by different extraction methods of Adenium obesum

Al-Abri¹,

Musalami²,

Akhtar³

et al. 2014

J Coast Life Med

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“…Their beneficial influence is exerted by means of various complementary mechanisms that involve a number of bioactive compounds such as tannins, flavonoids, and phenolic acids [7]. Strawberries are known to be a rich source of polyphenols, such as ellagitannins (ETs) [8,9], proanthocyanidins [4,10,11], anthocyanins [4,12], and flavonols (mostly quercetin and kaempferol glycosides) [2,13]. Ellagitannins are thought to be the most important polyphenols in strawberries.…”

Section: Introductionmentioning

confidence: 99%

Nutrient and polyphenolic composition of industrial strawberry press cake

Sójka

Klimczak

Macierzyński

et al. 2013

Eur Food Res Technol

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Antioxidants and other chemical and physical characteristics of two strawberry cultivars at different ripeness stages

Cited by 148 publications

References 19 publications

Cassava starch edible coating incorporated with propolis on bioactive compounds in strawberries

Cassava starch edible coating incorporated with propolis on bioactive compounds in strawberries

Evaluation of in vitro antioxidant potential of different polarities stem crude extracts by different extraction methods of Adenium obesum

Nutrient and polyphenolic composition of industrial strawberry press cake

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