1.茂名职业技术学院化学工程系,广东 茂名 525000
2.国家中药现代化工程技术研究中心东莞分中心,广东 东莞 523808
3.广东省热带亚热带植物资源重点实验室 / 广东省中药上市后质量与药效再评价工程技术研究中心 / 中山大学生命科学学院,广东 广州 510275
4.茂名市橘多宝科技有限公司,广东 茂名 525000
刘影(1980年生),女;研究方向:植物活性成分;E-mail:2007010018@mmpt.edu.cn
苏薇薇(1959年生),女;研究方向:新药研发、中药上市后质量与药效再评价;E-mail:lsssww@mail.sysu.edu.cn
收稿:2025-07-18,
修回:2025-08-03,
录用:2025-08-11,
网络出版:2025-09-24,
纸质出版:2025-11-25
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刘影,彭维,吴灏等.化州柚外果皮与中果皮的化学计量学对比[J].中山大学学报(自然科学版)(中英文),2025,64(06):31-38.
LIU Ying,PENG Wei,WU Hao,et al.Comparative analysis of chemometrics between exocarp and mesocarp of Citrus grandis ‘Tomentosa’[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2025,64(06):31-38.
刘影,彭维,吴灏等.化州柚外果皮与中果皮的化学计量学对比[J].中山大学学报(自然科学版)(中英文),2025,64(06):31-38. DOI: 10.13471/j.cnki.acta.snus.ZR20250135.
LIU Ying,PENG Wei,WU Hao,et al.Comparative analysis of chemometrics between exocarp and mesocarp of Citrus grandis ‘Tomentosa’[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2025,64(06):31-38. DOI: 10.13471/j.cnki.acta.snus.ZR20250135.
分析化州柚外果皮(WP)与中果皮(ZP)化学成分的差异性,为化州柚资源的充分利用提供依据。采用UPLC-Zone TOF-MS/MS技术鉴定WP和ZP中的化学物质,通过主成分分析(PCA)、正交偏最小二乘判别法(OPLS-DA)对上述结果进行比较分析;以变量重要性投影(VIP)>1和
P
≤0.05为标准,筛选潜在差异标志物,并通过HPLC法测定上述标志物的含量。结果表明,WP和ZP中化学成分种类比较接近,但含量差异明显。2组样品的离散趋势明显,WP聚为1类,ZP聚为1类。OPLS-DA分析表明,柚皮苷、野漆树苷、维采宁-2、橙皮内酯水合物是区分2组样品的主要标志性物质。定量分析显示,2组样品中柚皮苷的含量均远高于其他成分;ZP中的柚皮苷含量显著高于WP,野漆树苷、维采宁-2、橙皮内酯水合物、异欧前胡素和佛手苷内酯的含量均显著低于WP。ZP中含有丰富的黄酮类活性成分,具有显著的药用和保健潜力。
The study is to analyze the differences in chemical components between the exocarp of
Citrus grandis
‘Tomentosa’ (WP) and mesocarp of
C. grandis
‘Tomentosa’ (ZP), and provide a basis for the full utilization of
C. grandis
‘Tomentosa’ resources. The UPLC-Zone TOF-MS/MS technique was used to identify the chemical substances in the WP and ZP. Principal component analysis (PCA) and orthogonal partial least squares discr
iminant analysis (OPLS-DA) were applied to compare and analyze the above data. Potential differential markers were screened based on the criteria of variable importance in the projection (VIP)
>
1 and
P
≤0.05, and the contents of these markers were determined by HPLC. The results showed that the types of chemical components in the WP and ZP were relatively similar, but there were significant differences in their contents. The discrete trends of the two groups of samples were obvious, with the WP clustered into one category and the ZP into another. OPLS-DA analysis indicated that Naringin, Rhoifolin, Vicenin-2, and Meranzin hydrate were the main marker substances distinguishing the two groups of samples. Quantitative analysis showed that the content of Naringin in both groups was much higher than that of other components. The content of Naringin in the ZP was significantly higher than that in the WP, while the contents of Rhoifolin, Vicenin-2, Meranzin hydrate, Isoimperatorin, and Bergapten in the ZP were significantly lower than those in the WP. ZP is rich in flavonoid active ingredients and possesses significant medicinal and health benefits.
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