Comparative study on camellia oil &amp; olive oil quality and quantitative analysis of adulteration

LIU Yan-de; XIE Qing-hua; WANG Hai-yang; TANG Tian-yi; ZHANG Wei; JIANG Xiao-gang

doi:10.3788/OPE.20162413.0600

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Comparative study on camellia oil & olive oil quality and quantitative analysis of adulteration

更新时间：2020-08-13

- Comparative study on camellia oil & olive oil quality and quantitative analysis of adulteration
- Optics and Precision Engineering Vol. 24, Issue 10s, Pages: 600-606(2016)
- 作者机构：
  
  华东交通大学光机电技术及应用研究所,江西南昌,330013
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20162413.0600
  CLC： O657.3
- Received：23 May 2016，
  
  Revised：12 June 2016，
  
  Published：14 November 2016
- 稿件说明：
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刘燕德, 谢庆华, 王海阳等. 山茶油和橄榄油品质和掺假定量分析的对比研究[J]. 光学精密工程, 2016,24(10s): 600-606

LIU Yan-de, XIE Qing-hua, WANG Hai-yang etc. Comparative study on camellia oil & olive oil quality and quantitative analysis of adulteration[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 600-606
刘燕德, 谢庆华, 王海阳等. 山茶油和橄榄油品质和掺假定量分析的对比研究[J]. 光学精密工程, 2016,24(10s): 600-606 DOI： 10.3788/OPE.20162413.0600.

LIU Yan-de, XIE Qing-hua, WANG Hai-yang etc. Comparative study on camellia oil & olive oil quality and quantitative analysis of adulteration[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 600-606 DOI： 10.3788/OPE.20162413.0600.

摘要

以拉曼光谱技术对山茶油和橄榄油品质进行对比研究，再结合化学计量学方法实现山茶油和橄榄油掺假的分别建模和预测分析。论文借助德国Bruker激光共焦显微拉曼光谱仪，对比研究了山茶油和橄榄油的掺假快速无损预测效果。将菜籽油、花生油、大豆油、棉籽油、玉米油、葵花籽油分别以6个掺假体积比掺杂到山茶油和橄榄油中，每类分别采集36个光谱，然后选择信噪比好、特征峰强的900~2 900 cm

-1

波段数据分别采用一阶派生方法和卷积平滑方法进行预处理，建立偏最小二乘（PLS）模型，比较模型效果得出卷积平滑方法为最佳预处理方法，山茶油掺假的相关系数（

）和均方根误差（RMSEP）分别为0.994和1.79%，橄榄油掺假的

和RMSEP分别为0.989和3.05%。最后以最佳预处理后的数据进行主成分回归定量分析（PCR），其预测效果不如偏最小二乘定量分析。实验说明山茶油的掺假预测比橄榄油的准确，在同等条件下，山茶油掺假含量变化更有规律，对油品的掺假有更多可行的防范措施可以实施，所以在山茶油和橄榄油营养条件差异不大的情况下可尽量选用山茶油进行生产加工和销售食用。

Abstract

A comparative study on the quality of camellia oil and olive oil is carried out by using the Raman spectra technique

and then

through the chemometrics method

the modeling and predictive analysis on the adulterated camellia oil and olive oil are implemented. In this paper

the study is conducted on rapid nondestructive testing of the adulterated camellia oil and olive oil by virtue of the Bruker laser confocal Raman microscopy of Germany. Experiment process:the rapeseed oil

peanut oil

soybean oil

cottonseed oil

corn oil and sunflower seed oil are respectively added into the camellia oil and olive oil as 6 different doping proportions

36 spectra for each classification are collected

then the 900~2 900 cm

-1

wave band data with higher signal-to-noise ratio and stronger characteristic peak are selected for preprocessing with the two methods including 1st derivatives and Savitzky Golay Smoothing

and the partial least-square (PLS) model is created. Through a comparison of the model effect

Savitzky Golay Smoothing is confirmed to be the optimal preprocessing method; correlation coefficient (Rp) and root-mean-square error (RMSEP) for camellia oil adulteration are respectively 0.994 and 1.79%

while Rp and RMSEP for olive oil adulteration are restively 0.989 and 3.05%. Finally

the optimally-processed data is taken as the basis for a principal component regression (PCR) quantitative analysis

but it's predictive effect is not as good as the PLS quantitative analysis. The experiment indicates that the prediction for camellia oil adulteration is more accurate than that for the olive oil

and in the same conditions

changes in the adulteration content of camellia oil are more regular

with more practical preventive measures than oil adulteration. Hence

in similar nutritional conditions

camellia oil serves as a better choice than olive oil for production and processing

as well as sales and food.

关键词

Keywords

references

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Comparative study on camellia oil & olive oil quality and quantitative analysis of adulteration

DOI：10.3788/OPE.20162413.0600

摘要

Abstract

关键词

Keywords

references