Fruit sugar and organic acid were significantly related to fruit Mg of six citrus cultivars

Zhou, Yuan; He, Wenjing; Zheng, Wulin; Tan, Qiling; Xie, Zongzhou; Zheng, Cangsong; Hu, Chengxiao

doi:10.1016/j.foodchem.2018.03.102

Cited by 99 publications

(59 citation statements)

References 30 publications

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“…Quinic and citric acids were the most abundant organic acids found in the fruits. All of these organic acids are of the upmost importance for the human metabolism since they are quickly absorbed into the blood circulation and beneficial for a healthy diet [16,17]. Wehmeyer [13] described the organic acid profile in C. macrocarpa fruits from South Africa, except for vitamin C (ascorbic acid).…”

Section: Resultsmentioning

confidence: 99%

Amantagula Fruit (Carissa macrocarpa (Eckl.) A.DC.): Nutritional and Phytochemical Characterization

Souilem

Días

Barros

et al. 2018

Plant Foods Hum Nutr

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Fruits are one of the most promising food matrices and they have been explored in the discovery of new natural and safer bioactive compounds. Carissa macrocarpa (Eckl.) A. DC. fruits are widely consumed in African countries for the preparation of traditional foodstuff, but also for their beneficially health effects. Thus, as the authors' best knowledge there are no studies on the chemical and bioactive characterization of these fruits. Therefore, fruits of C. macrocarpa from Tunisia were chemically characterized regarding their nutritional value and bioactive compounds. Furthermore, the hydroethanolic extract of these fruits was evaluated regarding its bioactive properties. The fruit powder sample showed high amounts of sugars and polyunsaturated fatty acids (PUFA). The organic acids and tocopherols' profiles revealed the presence of five organic acids and two tocopherol isoforms, being quinic acid and α-tocopherol the most abundant. The hydroethanolic extract of the fruits presented high antioxidant, cytotoxic, anti-inflammatory, and antibacterial properties, showing activity against all the bacterial strains studied, also inhibiting the cell growth of all the tested tumor cell lines, with the exception of HepG2, and did not reveal toxicity for the non-tumor cells PLP2. Therefore, the fruits of C. macrocarpa could be included in a daily basis diet as a source of high nutritional quality compounds with high bioactive potential.

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Section: Resultsmentioning

confidence: 99%

Amantagula Fruit (Carissa macrocarpa (Eckl.) A.DC.): Nutritional and Phytochemical Characterization

Souilem

Días

Barros

et al. 2018

Plant Foods Hum Nutr

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show abstract

“…Large amounts of sugars accumulate in leaves (source) due to impaired phloem transportation to the fruit (sink) under Mg deficiency conditions [20]. Previous studies show that Mg concentrations in citrus fruit are significantly correlated with fruit sugar content [21]. In highly weathered soils the exchangeable Mg concentration is generally low or at deficient level [22].…”

Section: Introductionmentioning

confidence: 99%

Organic fertilizer application and Mg fertilizer promote banana yield and quality in an Udic Ferralsol

Zhang

et al. 2020

PLoS ONE

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Low soil fertility, high rates of fertilizer application and low yields and quality are major problems in intensive banana production in acid soils of south China. A field experiment was carried out for two years to determine the optimum management practices for maximizing soil health and banana yield and quality. The experiment consisted of an unamended control (CK) and lime (Lime), calcium magnesium phosphate fertilizer (CMP), organic fertilizer (OF), and organic fertilizer combined with calcium magnesium phosphate fertilizer (OFC) treatments. Soil nutrient concentrations and banana shoot biomass, nutrient uptake, yield and fruit quality were determined. Application of lime and CMP was found to increase soil pH and nutrient availability and increase banana yield. Yet, the banana biomass and yields in the Lime and CMP treatments were significantly lower than those in the OF and OFC treatments in which soil organic matter (SOM) content increased. Total soluble solids and soluble sugar contents increased in the CMP and organic fertilizer treatments. A consistent increase in Mg concentrations in banana leaves over the two years in the CMP and organic fertilizer treatments indicates that Mg is essential for banana production and quality. Shortterm adding Mg from banana corms increased total soluble solids and soluble sugar content. The application of organic fertilizer combined with CMP or Mg solution is therefore recommended to increase soil health and promote the yield and quality of banana in intensively managed plantations in subtropical regions.

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“…Finally, MI was computed as the ratio of SSC to TA. This fruit quality index is one of the most important, and it affects the perception of taste (sweetness and acidity) by the consumer.…”

Section: Methodsmentioning

confidence: 99%

Medium‐long term effects of saline reclaimed water and regulated deficit irrigation on fruit quality of citrus

et al. 2019

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BACKGROUND: Non-conventional water sources and water-saving techniques can be valuable in semi-arid regions, although their long-term effects on citrus quality are little known. This study evaluated the effects of irrigation with two sources, transfer water (TW) and reclaimed water (RW), combined with two irrigation strategies, full irrigation (FI) and regulated deficit irrigation (RDI), on fruit quality of mandarins and grapefruits during eight growth seasons. RESULTS: Reclaimed water irrigation in mandarin, without water restriction, influenced maturity index (MI) less than TW-FI, because titratable acidity (TA) increased to a greater degree than soluble solid contents (SSC).Nevertheless, juice quality standards were satisfied. Regardless of the irrigation treatment (FI or RDI), a trend towards increasing fruit weight was also detected with RW. In grapefruit, its rootstock (Citrus macrophylla) enhanced salinity resilience with respect to the rootstock of mandarin ('Carrizo' citrange) and, hence, MI was not affected by RW. The RDI strategy, without saline stress (TW-RDI), increased, to a similar degree, both SSC and TA in mandarin fruit, not affecting the MI. In grapefruit, the water stress of RDI did improve the MI due to the TA did not change and SSC increased significantly, the TA did not change. The combination of both strategies, RW-RDI, decreased the MI only in some years because TA increased proportionally more than SSC in mandarin. CONCLUSIONS:The medium-and long-term feasibility of using RW and RDI to irrigate citrus was demonstrated. However, they must be performed cautiously and with appropriate management to avoid damaging fruit quality as a result of phytotoxic elements. Grapefruit response to irrigation with RW and RDIUnlike grapefruit, the weight of RW (FI) treatment fruit did not increase during the long-term period because their yield was not affected by RW.

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Fruit sugar and organic acid were significantly related to fruit Mg of six citrus cultivars

Cited by 99 publications

References 30 publications

Amantagula Fruit (Carissa macrocarpa (Eckl.) A.DC.): Nutritional and Phytochemical Characterization

Amantagula Fruit (Carissa macrocarpa (Eckl.) A.DC.): Nutritional and Phytochemical Characterization

Organic fertilizer application and Mg fertilizer promote banana yield and quality in an Udic Ferralsol

Medium‐long term effects of saline reclaimed water and regulated deficit irrigation on fruit quality of citrus

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