贵州遵义辣椒矿质元素含量与其品质相关性分析

doi:10.7506/spkx1002-6630-201810033

食品科学 ›› 2018, Vol. 39 ›› Issue (10): 215-221.doi: 10.7506/spkx1002-6630-201810033

贵州遵义辣椒矿质元素含量与其品质相关性分析

张建1，杨瑞东1，陈蓉2,*，彭益书1，文雪峰3，任海利4

（1.贵州大学资源与环境工程学院，贵州?贵阳 550025；2.贵州大学矿业学院，贵州?贵阳 550025；3.贵州大学农学院，贵州?贵阳 550025；4.贵州大学公共管理学院，贵州?贵阳 550025）

出版日期:2018-05-25 发布日期:2018-05-15
基金资助:
国家自然科学基金地区科学基金项目（41463009；41563011）；贵州省教育厅创新群体重大研究项目（黔教合KY字[2016]024）；贵州省国内一流学科（生态学）建设项目（GNYL[2017]007）；贵州省首届研究生科研基金项目（黔教研合KYJJ字[2016]05）

Relationship between Contents of Mineral Elements and Quality of Hot Pepper Grown in Zunyi, Guizhou Province

ZHANG Jian1, YANG Ruidong1, CHEN Rong2,*, PENG Yishu1, WEN Xuefeng3, REN Haili4

(1. College of Resource and Environmental Engineering, Guizhou University, Guiyang 550025, China; 2. College of Mining, Guizhou University, Guiyang 550025, China; 3. College of Agriculture, Guizhou University, Guiyang 550025, China;4. School of Public Administration, Guizhou University, Guiyang 550025, China)

Online:2018-05-25 Published:2018-05-15

摘要/Abstract

摘要： 采集贵州遵义地区辣椒样品，测定辣椒样品的12?种矿质元素（K、Ca、Mg、P、S、Fe、Mn、Zn、Cu、Mo、Ni、Co）含量与4?种品质指标（辣椒碱、VC、蛋白质、干物质），探讨辣椒品质与矿质元素的关系，利用主成分分析和聚类分析对辣椒品质进行分析。结果表明：遵义辣椒矿质元素含量呈现K＞P＞S＞Mg＞Ca＞Fe＞Zn＞Mn＞Cu＞Ni＞Mo＞Co的特征。与前人研究结果相比，遵义辣椒的蛋白质、VC、干物质含量高，营养丰富，而辣椒碱含量变化大。辣椒VC与Cu含量呈显著正相关（r=0.584，P＜0.05，n=16），与K、Ca、Mg、P、S、Zn含量亦呈正相关关系。主成分分析的前2?个主成分解释的总方差贡献率为49.368%，辣椒碱是辣椒品质评价的重要参考指标，K、Mg、P、S、Zn、Cu、Ni、Co为辣椒果实的特征元素。聚类分析结果表明辣椒品质和矿质元素在不同地域间存在差异，同一地域辣椒的品质与矿质元素含量往往相近，辣椒品质存在明显的地域分布特征。

关键词: 矿质元素, 品质, 主成分分析, 辣椒

Abstract: The contents of twelve mineral elements (K, Ca, Mg, P, S, Fe, Mn, Zn, Cu, Mo, Ni, and Co) and four quality attributes (capsaicin, vitamin C, protein, and dry matter) of hot pepper samples collected from Zunyi, Guizhou were determined. The relationship between the quality and the mineral elements was studied. Moreover, principal component analysis (PCA) and hierarchical cluster analysis (HCA) were used to analyze the quality of hot pepper. The results showed that the contents of twelve mineral elements were in the following order: K > P > S > Mg > Ca > Fe > Zn > Mn > Cu > Ni > Mo > Co. Compared with data from previous studies, the contents of protein, vitamin C, and dry matter in Zunyi grown hot pepper were higher, being rich in nutrients. Nonetheless, the capsaicin content of Zunyi grown red pepper varied in a wide range. Vitamin C content was significantly positively correlated with copper content (r = 0.584, P < 0.05, n = 16), as well as the contents of K, Ca, Mg, P, S, and Zn. In addition, PCA showed that the cumulative contribution rate of the first two principal components was 49.368%, which indicated that capsaicin was an important indicator in assessing the quality of hot pepper, and the characteristic elements were K, Mg, P, S, Zn, Cu, Ni, and Co. Besides, the results of HCA revealed that there were some differences in the quality and mineral elements of hot pepper from different regions, and the quality and mineral elements contents of hot peppers from the same area were similar. A regional distribution pattern was observed for hot pepper quality.

Key words: mineral elements, quality, principal component analysis, hot pepper

中图分类号:

S641.3

张建，杨瑞东，陈蓉，彭益书，文雪峰，任海利. 贵州遵义辣椒矿质元素含量与其品质相关性分析[J]. 食品科学, 2018, 39(10): 215-221.

ZHANG Jian, YANG Ruidong, CHEN Rong, PENG Yishu, WEN Xuefeng, REN Haili. Relationship between Contents of Mineral Elements and Quality of Hot Pepper Grown in Zunyi, Guizhou Province[J]. FOOD SCIENCE, 2018, 39(10): 215-221.

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贵州遵义辣椒矿质元素含量与其品质相关性分析

Relationship between Contents of Mineral Elements and Quality of Hot Pepper Grown in Zunyi, Guizhou Province

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