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首页> 外文期刊>Australian Journal of Crop Science >Influence of different sources of pollen on the chemical composition of date (Phoenix dactylifera L.) cultivar Medjool in México
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Influence of different sources of pollen on the chemical composition of date (Phoenix dactylifera L.) cultivar Medjool in México

机译：花粉的不同来源对墨西哥枣（Medjool）栽培品种Medjool的化学成分的影响

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The objective of the present work was to investigate the influence of pollen sources over chemical characteristics of the Medjool date cultivar. The study was conducted under conditions of the Northwest part of Mexico, during the year 2016 cultivation season. The content of nutrients (protein, lipids, fiber and ash), sugars (total, reducing, non-reducing, sucrose, glucose and fructose), and most abundant minerals were evaluated. Three bunches of each of the four selected female palms Medjool cultivar were pollinated with Deglet Noor, Khadrawy, Medjool and Zahidi cultivars, and their fruit were used for the analyses. Results show low concentrations of lipids and ash (0.68 - 0.80% and 2.49-2.82%, g/100 g dry weight basis), while protein and crude fiber were in the range of 2.92-3.35% and 6.86-7.29%, respectively. In addition, a high content of total sugars (77.78-70.04%) were found. The predominant mineral was potassium with a range of 794.30 (Khadrawy) - 869.93 mg/100 g dry weight basis (Deglet Noor), followed by magnesium with 136.72 (Medjool) - 150.10 mg/100 g dry weight basis (Khadrawy). An analysis of total phenols revealed that the Khadrawy cultivar had the highest content, with 5.30 (mg GAE/100 g) and the lowest was for Zahidi with 3.82 (mg GAE/100 g). The Khadrawy cultivar had the highest effects on the chemical parameters of the four evaluated treatments. Therefore, pollen source has a significant effect on the chemical properties of the fruit from the Medjool cultivar.
机译：本工作的目的是调查花粉来源对Medjool枣品种化学特性的影响。这项研究是在2016年种植季节在墨西哥西北部的条件下进行的。评估了营养素（蛋白质，脂质，纤维和灰分），糖（总量，还原性，非还原性，蔗糖，葡萄糖和果糖）和最丰富的矿物质的含量。将四个精选的雌性手掌Medjool品种中的三束分别用Deglet Noor，Khadrawy，Medjool和Zahidi品种进行授粉，并使用其果实进行分析。结果显示脂质和灰分的浓度较低（0.68-0.80％和2.49-2.82％，以g / 100 g干重计），而蛋白质和粗纤维分别在2.92-3.35％和6.86-7.29％的范围内。另外，发现总糖含量高（77.78-70.04％）。主要矿物质是钾，范围为794.30（Khadrawy）-869.93 mg / 100 g干重基础（Deglet Noor），然后是镁136.72（Medjool）-150.10 mg / 100 g干重基础（Khadrawy）。对总酚的分析表明，Khadrawy品种的含量最高，为5.30（mg GAE / 100 g），而Zahidi的含量最低，为3.82（mg GAE / 100 g）。 Khadrawy品种对四种评估处理的化学参数影响最大。因此，花粉来源对Medjool品种果实的化学性质具有重要影响。

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