The effect of maturity, sunburn and the application of sunscreens on the internal and external qualities of pomegranate fruit grown in Australia

Weerakkody, P.R.; Jobling, J.; Infante, María Magdalena Vergara; Rogers, Gordon

doi:10.1016/j.scienta.2009.12.003

Cited by 67 publications

(37 citation statements)

References 23 publications

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“…However, kaolin foliar application at 1 and 2% gave intermediate values. These results were in agreement with those obtained by Weerakkody et al (2010), Vatandoost et al (2014), Hegazi et al (2014), Chabbal et al (2014) and Ennab et al (2017).…”

Section: Effect Of Preharvest Kaolin Foliar Sprays On Some Fruit Disosupporting

confidence: 93%

Influence of Kaolin Sprays on Fruit Quality and Storability of Balady Mandarin

Zaghloul¹,

Ennab

El-Shemy³

2017

Alexandria Science Exchange Journal

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The present work was conducted in a private orchard situated at Motobus, Kafr El-Sheikh governorate, Egypt during 2014-2015 and 2015-2016 seasons. The main objective of this study is to evaluate the effect of kaolin foliar applications on disorder fruits, yield, fruit quality and storability of Balady mandarin fruits (Citrus reticulate,B) for 45 days. Trees were sprayed with kaolin at five concentrations (0, 1, 2, 3 and 4% ) for three times in summer. Fruit samples were divided into two groups and stored at 2±1 0 C and 6±1 0 C at 90-95% RH for 45 days.Results showed that, kaolin foliar applications led to increase yield (as number, weight and (kg) of fruits/tree), reduced fruit disorders and improved fruit quality, moreover, it recorded the highest peel fruit firmness, acidity level, soluble solids content (SSC %) and vitamin C content at harvest time. The highest level of kaolin spray (4%)significantly enhanced such trials compared to control and the other kaolin concentrations.In addition, kaolin foliar application at 4 % were the most effective treatment in maintaining fruit quality of Balady mandarin fruits during cold storage at the two storage temperatures (2±1 0 C or at 6±1 0 C) for the two seasons, which significantly indicated by reducing weight loss and decay as well as chilling injuries percentages. Also, kaolin treatments at (4 and 3%) recorded the highest values of peel fruit firmness, high levels of SSC, acidity and vitamin C contents compared to the other treatments till the end of storage period, with no significant changes in SSC/acid ratio. Therefore, spraying with kaolin at 4 % three times in summer months, considered as the most effective treatment in reducing pre-harvest disorder fruits, improving yield and fruit quality at harvest time and maintained good quality and extending storability of Balady mandarin fruits over the other treatments or control during cold storage at (2±1 or 6±1 0 C).

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Section: Effect Of Preharvest Kaolin Foliar Sprays On Some Fruit Disosupporting

confidence: 93%

Influence of Kaolin Sprays on Fruit Quality and Storability of Balady Mandarin

Zaghloul¹,

Ennab

El-Shemy³

2017

Alexandria Science Exchange Journal

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“…However, only a slight reduction was observed in a landrace of 'Wonderful' representing the late-season-ripening pomegranate. Similar results were reported by Weerakkody et al (2010), who assessed 'Wonderful' during ripening for two seasons and found that the total antioxidant activity (FRAP) during the first year decreased with fruit maturation (35.7 to 11.6 mM Fe +2 L -1 ), while the changes were less pronounced during the second season. Further, Kulkarni and Aradhya (2005) observed a reduction of approximately 13% in antioxidant activity during pomegranate aril ripening due to reduced concentrations of total phenolics and ascorbic acid.…”

Section: Antioxidant Capacity Of Pomegranate Juicesupporting

confidence: 87%

“…Alternatively, it is possible that some phenolics were used as substrates for enzymatic browning (Kulkarni and Aradhya, 2005), with the presence of this enzyme being more significant in these two varieties, as demonstrated by the lower TPC values (for M3, values of 191 and 161 mg GAE 100 mL -1 ; respectively). Several authors have demonstrated that TPC is reduced in pomegranate juice during ripening and maturation and the antioxidant metabolites changes in response to abiotic stress (Mirdehghan and Rahemi, 2007;Shwartz et al, 2009;Weerakkody et al, 2010;Zarei et al, 2011). Zaouay et al (2012) reported similar TPCs in juice from pomegranates grown in Tunisia, demonstrating wide variations in the TPC from 133.9 to 350 g 100 mL -1 juice.…”

Section: Total Phenolic Content Of Pomegranate Juicementioning

confidence: 94%

“…This group found that TPC values decreased by approximately 74% during fruit growth and maturation. In addition, Weerakkody et al (2010) found that TPC decreased by approximately 50% in juice from 'Wonderful' in Australia during fruit development. The content varied from 1710 mg GAE L -1 (immature fruit) to 790 mg GAE L -1 (mature fruit).…”

Section: Total Phenolic Content Of Pomegranate Juicementioning

confidence: 97%

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Characterization of chemical compositions and bioactive compounds in juices from pomegranates (Wonderful, Chaca and Codpa) at different maturity stages

Labbé

Ulloa

López

et al. 2016

Chilean J. Agric. Res.

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“…The loss of astringency is one of the desirable changes that occur during maturation and ripening of pomegranate and is primarily due to decrease in phenolic compounds during fruit maturation (Kulkarni and Aradhya, 2005;Shwartz et al 2009;Labbe et al, 2010). Reduction in TP content in the present study is similar the finding of Weerakkody et al (2010), where reduced total phenolics was recorded in Wonderful pomegranate cultivar during the early season.…”

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confidence: 91%

Developmental dynamics in chemical composition during fruit ripening of pomegranate

Kumar¹,

Gill²

2017

JEB

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Aim: Methodology:Results: Interpretation:The present study was undertaken to investigate the influence of pomegranate fruit developmental and maturity stages on the major chemical composition of pomegranate juice to identify the appropriate time of maturity of pomegranate cv. "Mridula".Fresh fruits of eight-year-old plants of pomegranate cv. 'Mridula' were picked manually in the morning at different developments stages, viz., 30 to 150 DAFB at ten day interval. Harvested fruits were analysed for physico-chemical analysis.Pomegranate arils juice showed a significant (p<0.05) increase in sugars and soluble solids content during fruit development. However, titratable acidity and total phenolics of aril juice decreased with advancement of fruit maturity. There was 11.32 times increase in Vitamin C content of juice during fruit development, whereas about 2.38 fold decrease in juice acidity was recorded. The reducing sugars content in aril juice was about 76.35 % -81.93 % of total sugars. There was overall depletion of total phenolics content during course of fruit development. The results revealed that soluble solids content, SSC/TA ratio, juice pH, reducing sugars, non-reducing sugars, total sugars and Vitamin C of juice was abundant between 140-150 days after full bloom (DAFB). Whereas, TA and TP declined and reached minimum between 140-150 DAFB. SSC/TA ratio showed positive correlation with pH, sugars and Vitamin C, but negatively correlated with TA and TP. The principal components analysis showed that full ripened fruit at 140-150 DAFB recorded higher positive score along component 1 and indicate optimum time of fruit harvest.In recent years, the search for a easy, reliable and simple determination of maturation has employed the a t t e n t i o n o f c o u n t l e s s pomegranate growers in d i f f e r e n t p o m e g r a n a t e production regions. The change in the chemical profile of pomegranate from 30 DAFB to 150 DAFB of arils juice clearly e x p l a i n e d t h e i r g r o w t h , development and maturity stages. This information would help pomegranate growers to access the maturity of 'Mridula' cultivars of pomegranate.

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The effect of maturity, sunburn and the application of sunscreens on the internal and external qualities of pomegranate fruit grown in Australia

Cited by 67 publications

References 23 publications

Influence of Kaolin Sprays on Fruit Quality and Storability of Balady Mandarin

Influence of Kaolin Sprays on Fruit Quality and Storability of Balady Mandarin

Characterization of chemical compositions and bioactive compounds in juices from pomegranates (Wonderful, Chaca and Codpa) at different maturity stages

Developmental dynamics in chemical composition during fruit ripening of pomegranate

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The effect of maturity, sunburn and the application of sunscreens on the internal and external qualities of pomegranate fruit grown in Australia

Cited by 67 publications

References 23 publications

Influence of Kaolin Sprays on Fruit Quality and Storability of Balady Mandarin

Influence of Kaolin Sprays on Fruit Quality and Storability of Balady Mandarin

Characterization of chemical compositions and bioactive compounds in juices from pomegranates (Wonderful, Chaca and Codpa) at different maturity stages

Developmental dynamics in chemical composition during fruit ripening of pomegranate

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Characterization of chemical compositions and bioactive compounds in juices from pomegranates (Wonderful, Chaca and Codpa) at different maturity stages