福建农林大学根系生物学研究中心,福建 福州 350002
赖长鸿(1990 年生),男;研究方向:植物营养; E-mail:lch@fafu.edu.cn;1023906391@qq.com
廖红(1969 年生),女;研究方向:植物营养; E-mail:hliao@fafu.edu.cn
纸质出版日期:2024-07-25,
网络出版日期:2024-06-18,
收稿日期:2024-03-27,
录用日期:2024-05-15
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赖长鸿,王寒雪,李培杰等.琯溪蜜柚果肉中类胡萝卜素组分的特征解析[J].中山大学学报(自然科学版)(中英文),2024,63(04):71-77.
LAI Changhong,WANG Hanxue,LI Peijie,et al.Characteristics of carotenoid components in juice sacs of pomelo (Citrus grandis cv ‘Guanximiyou’)[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2024,63(04):71-77.
赖长鸿,王寒雪,李培杰等.琯溪蜜柚果肉中类胡萝卜素组分的特征解析[J].中山大学学报(自然科学版)(中英文),2024,63(04):71-77. DOI: 10.13471/j.cnki.acta.snus.ZR20240088.
LAI Changhong,WANG Hanxue,LI Peijie,et al.Characteristics of carotenoid components in juice sacs of pomelo (Citrus grandis cv ‘Guanximiyou’)[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2024,63(04):71-77. DOI: 10.13471/j.cnki.acta.snus.ZR20240088.
琯溪蜜柚(
Citrus grandis
cv ‘Guanximiyou’)因其汁多味甜、色泽丰富等特点,广受消费者欢迎。琯溪蜜柚果肉色素主要为类胡萝卜素,其组分和含量直接影响果实品质。研究蜜柚果肉类胡萝卜素组分特征及其在不同养分管理下的差异,可为通过养分管理提高果实品质提供科学依据。本研究首先利用液相色谱串联质谱(LC-MS/MS),分析果实汁胞中类胡萝卜素的组分;通过施化肥(CF)和有机肥(OF)处理,比较分析不同养分管理对类胡萝卜素的影响。结果表明,蜜柚汁胞共含23种类胡萝卜素,其中5种属于胡萝卜素、18种属于胡萝卜醇。汁胞中类胡萝卜素以胡萝卜素为主,质量分数为(346.27±69.39) μg/g,占比为98.98%。胡萝卜素中,以番茄红素为主,质量分数为(332.27±75.05) μg/g,占类胡萝卜素比例为95.97%。此外,养分管理显著影响汁胞类胡萝卜素的质量分数。与CF相比,OF处理番茄红素和
E
/
Z
-八氢番茄红素的质量分数分别增加了8.40%和16.48%,说明通过养分管理能够调控蜜柚果肉色素,为进一步调控果实品质提供参考依据。
Guanxi pomelo (
Citrus Grandis
cv ‘Guanximiyou’) is popular for its sweet and colorful juice sacs. The pigments in juice sacs are mainly carotenoids, whose composition and concentration directly affect the quality of fruits. Characterization of the carotenoid components in juice sacs and their differences under different nutrient management might provide scientific basis for improving fruit quality through nutrient management. In the study, liquid chromatograp
hy-tandem mass spectrometry (LC-MS/MS) was used to analyze the carotenoid components in juice sacs; and the effects of different nutrient management on carotenoids were compared between the usage of chemical (CF) and organic (OF) fertilizations. The results showed that the juice sacs contained 23 carotenoids, among them, 5 and 18 belonged to carotene and lutein, respectively. The carotenoid in juice sacs was mainly carotene with the concentration as (346.27±69.39) μg/g. Lycopene is the major component of carotenes, which concentration was (332.27±75.05) μg/g and proportion was 95.67%. In addition, fertilization management significantly affected the concentration of carotenoids. Compared with CF, the concentration of lycopene and (
E
/
Z
)-phytoene in OF increased 8.40% and 16.48%, respectively, indicating that nutrient management could affect the pigment in juice sacs of Guanxi pomelo, and thereby might provide references for further regulating fruit quality through nutrient management.
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蜜柚(Citrus grandis)品质类胡萝卜素番茄红素
pomelo(Citrus grandis)qualitycarotenoidslycopene
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