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Lycopene Accumulation in Pummelo (Citrus Maxima [Burm.] Merr.) Is Influenced by Growing Temperature
International Journal of Fruit Science ( IF 2.4 ) Pub Date : 2019-04-17 , DOI: 10.1080/15538362.2019.1605559
Parichat Buaban 1, 2 , Diane M. Beckles 3 , Orarat Mongkolporn 1 , Kietsuda Luengwilai 1, 2
Affiliation  

ABSTRACT One problem with the pink pulp color of the ‘Thong Dee’ (TD) pummelo (Citrus maxima [Burm.] Merr.) is that it becomes pale during some harvesting periods. The cause of the pale pulp is not known. Therefore, the aim of this study was to determine the effect of growing temperature and rainfall on carotenoid contents and pulp color in the TD fruit. The experiments were conducted in 11 harvesting periods over two years from four orchards. The pale pink pulp coincided with low lycopene and was observed when the average daily minimum temperature two months before harvest was less than 20°C. Lycopene content and a*, which indicates pulp ‘redness’, positively correlated with the average daily minimum temperature two months before harvest (r = 0.6644 and r= 0.6013, respectively). In addition, TD pulp mineral nutrients, which include N, P, K, Ca, Mg, Zn, Cu, Fe, B, Mn, and Na, were not significantly related to the lycopene levels or the pale pink color in the pulp (P> .05). It is possible to conclude that the pale pulp of pummelo fruit is caused by the growing temperature during fruit development. This is the first study that comprehensively addresses the effects of environmental conditions on the pulp color of pummelo fruit. Abbreviations : TD: ‘Thong Dee’; MAP: Months after pollination; ABA: Abscisic acid; GAs: Gibberellic acids; MEP: 2-C-methyl-D-erythritol 4-phosphate; TSS: Total soluble solids; TA: Titratable acidity; HPLC: High performance liquid chromatography; N: Nitrogen; P: Phosphorus; K: Potassium; Ca: Calcium; Mg: Magnesium; Cu: Copper; Zn: Zinc; B: Boron; Fe: Iron; Mn: Manganese; Na: Sodium

中文翻译:

柚子(Citrus Maxima [Burm.] Merr.)中番茄红素的积累受生长温度的影响

摘要 'Thong Dee' (TD) 柚子(Citrus maxima [Burm.] Merr.)的粉红色果肉颜色的一个问题是在某些收获期间会变得苍白。牙髓苍白的原因尚不清楚。因此,本研究的目的是确定生长温度和降雨量对 TD 果实中类胡萝卜素含量和果肉颜色的影响。实验在 11 个收获期进行,为期两年,来自四个果园。淡粉色果肉与低番茄红素一致,在收获前两个月的平均每日最低温度低于 20°C 时观察到。番茄红素含量和表示果肉“发红”的 a* 与收获前两个月的平均每日最低温度呈正相关(分别为 r = 0.6644 和 r = 0.6013)。此外,TD纸浆矿质营养素,包括N、P、K、Ca、Mg、Zn、Cu、Fe、B、Mn 和 Na 与番茄红素水平或果肉中的淡粉色无显着相关性 (P> .05)。可以得出结论,柚子果实苍白的果肉是由果实发育过程中的生长温度引起的。这是第一项全面解决环境条件对柚子果肉颜色影响的研究。缩写:TD:'Thong Dee';MAP:授粉后数月;ABA:脱落酸;GAs:赤霉酸;MEP:2-C-甲基-D-赤藓糖醇4-磷酸;TSS:总可溶性固体;TA:可滴定酸度;HPLC:高效液相色谱;N:氮;P:磷;K:钾;Ca:钙;Mg:镁;Cu:铜;锌:锌;B:硼;Fe:铁;Mn:锰;Na:钠 与番茄红素水平或果肉中的淡粉色无显着相关性(P> .05)。可以得出结论,柚子果实苍白的果肉是由果实发育过程中的生长温度引起的。这是第一项全面解决环境条件对柚子果肉颜色影响的研究。缩写:TD:'Thong Dee';MAP:授粉后数月;ABA:脱落酸;GAs:赤霉酸;MEP:2-C-甲基-D-赤藓糖醇4-磷酸;TSS:总可溶性固体;TA:可滴定酸度;HPLC:高效液相色谱;N:氮;P:磷;K:钾;Ca:钙;Mg:镁;Cu:铜;锌:锌;B:硼;Fe:铁;Mn:锰;Na:钠 与番茄红素水平或果肉中的淡粉色无显着相关性(P> .05)。可以得出结论,柚子果实苍白的果肉是由果实发育过程中的生长温度引起的。这是第一项全面解决环境条件对柚子果肉颜色影响的研究。缩写:TD:'Thong Dee';MAP:授粉后数月;ABA:脱落酸;GAs:赤霉酸;MEP:2-C-甲基-D-赤藓糖醇4-磷酸;TSS:总可溶性固体;TA:可滴定酸度;HPLC:高效液相色谱;N:氮;P:磷;K:钾;Ca:钙;Mg:镁;Cu:铜;锌:锌;B:硼;Fe:铁;Mn:锰;Na:钠 可以得出结论,柚子果实苍白的果肉是由果实发育过程中的生长温度引起的。这是第一项全面解决环境条件对柚子果肉颜色影响的研究。缩写:TD:'Thong Dee';MAP:授粉后数月;ABA:脱落酸;GAs:赤霉酸;MEP:2-C-甲基-D-赤藓糖醇4-磷酸;TSS:总可溶性固体;TA:可滴定酸度;HPLC:高效液相色谱;N:氮;P:磷;K:钾;Ca:钙;Mg:镁;Cu:铜;锌:锌;B:硼;Fe:铁;Mn:锰;Na:钠 可以得出结论,柚子果实苍白的果肉是由果实发育过程中的生长温度引起的。这是第一项全面解决环境条件对柚子果肉颜色影响的研究。缩写:TD:'Thong Dee';MAP:授粉后数月;ABA:脱落酸;GAs:赤霉酸;MEP:2-C-甲基-D-赤藓糖醇4-磷酸;TSS:总可溶性固体;TA:可滴定酸度;HPLC:高效液相色谱;N:氮;P:磷;K:钾;Ca:钙;Mg:镁;Cu:铜;锌:锌;B:硼;Fe:铁;Mn:锰;Na:钠 '通迪'; MAP:授粉后数月;ABA:脱落酸;GAs:赤霉酸;MEP:2-C-甲基-D-赤藓糖醇4-磷酸;TSS:总可溶性固体;TA:可滴定酸度;HPLC:高效液相色谱;N:氮;P:磷;K:钾;Ca:钙;Mg:镁;Cu:铜;锌:锌;B:硼;Fe:铁;Mn:锰;Na:钠 '通迪'; MAP:授粉后数月;ABA:脱落酸;GAs:赤霉酸;MEP:2-C-甲基-D-赤藓糖醇4-磷酸;TSS:总可溶性固体;TA:可滴定酸度;HPLC:高效液相色谱;N:氮;P:磷;K:钾;Ca:钙;Mg:镁;Cu:铜;锌:锌;B:硼;Fe:铁;Mn:锰;Na:钠
更新日期:2019-04-17
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