Development of a Detection Method for Adulterated Onion Powder using Raman Spectroscopy

Sangdae Lee, Santosh Lohumi, Hyoun Sub Lim, Takafumi Gotoh, Byoung Kwan Cho, Moon S. Kim, Soo Hee Lee

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The purpose of this study was to develop a detection technique for adulterated powder products using Raman spectroscopy. While conventional methods for food quality analysis require time and pretreatment procedures, Raman spectroscopy can be used to detect a food component rapidly and nondestructively without pretreatment. In this study, Raman spectra were measured using a 785 nm laser source in the range 3,200-170 cm-1 and multivariate analytical method using partial least square regression (PLSR) was applied to develop optimal models for predicting the mixed cornstarch concentration in adulterated onion powders. A range of preprocessing methods were applied to correct Raman spectra by reducing the systematic noise and variations produced by the light source and light scattering of the sample surface. Raman data were predicted with a high R2 value and low standard error for the entire preprocessing data set. The method proved its effectiveness to rapidly detect adulteration in powdered food.

Original languageEnglish
Pages (from-to)151-156
Number of pages6
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume60
Issue number1
Publication statusPublished - Feb 1 2015

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Raman spectroscopy
Onions
Raman Spectrum Analysis
onions
Powders
powders
powdered foods
pretreatment
adulterated products
Food Analysis
light scattering
Light
Food
corn starch
methodology
Food Quality
food quality
lasers
analytical methods
least squares

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

Cite this

Lee, S., Lohumi, S., Lim, H. S., Gotoh, T., Cho, B. K., Kim, M. S., & Lee, S. H. (2015). Development of a Detection Method for Adulterated Onion Powder using Raman Spectroscopy. Journal of the Faculty of Agriculture, Kyushu University, 60(1), 151-156.

Development of a Detection Method for Adulterated Onion Powder using Raman Spectroscopy. / Lee, Sangdae; Lohumi, Santosh; Lim, Hyoun Sub; Gotoh, Takafumi; Cho, Byoung Kwan; Kim, Moon S.; Lee, Soo Hee.

In: Journal of the Faculty of Agriculture, Kyushu University, Vol. 60, No. 1, 01.02.2015, p. 151-156.

Research output: Contribution to journalArticle

Lee, S, Lohumi, S, Lim, HS, Gotoh, T, Cho, BK, Kim, MS & Lee, SH 2015, 'Development of a Detection Method for Adulterated Onion Powder using Raman Spectroscopy', Journal of the Faculty of Agriculture, Kyushu University, vol. 60, no. 1, pp. 151-156.
Lee, Sangdae ; Lohumi, Santosh ; Lim, Hyoun Sub ; Gotoh, Takafumi ; Cho, Byoung Kwan ; Kim, Moon S. ; Lee, Soo Hee. / Development of a Detection Method for Adulterated Onion Powder using Raman Spectroscopy. In: Journal of the Faculty of Agriculture, Kyushu University. 2015 ; Vol. 60, No. 1. pp. 151-156.
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