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- Title
Estimation of functional components of Chinese cabbage leaves grown in a plant factory using diffuse reflectance spectroscopy.
- Authors
Ngo, Viet‐Duc; Jang, Bo‐Eun; Park, Sang‐Un; Kim, Sun‐Ju; Kim, Yong‐Joo; Chung, Sun‐Ok
- Abstract
BACKGROUND: In recent years, protected crop production using plant factories to produce high‐value crops with greater functional components has become more popular in many countries. The quantification of the components, however, is mainly conducted by laboratory analyses, which are both time‐ and labor‐consuming. The present study aimed to investigate the potential of a non‐destructive diffuse reflectance spectroscopy technique for estimating functional components (i.e. glucosinolates, amino acids, sugars and carotenoids) in the leaves of Chinese cabbage grown in a plant factory. RESULTS: From the overall analysis, better estimations were obtained using the partial least square regression procedure. The important wavelengths for each functional component were identified mainly in the ultraviolet‐visible regions. Identified wavelengths were 317, 390, 888 and 940 nm for sugars; 520 and 960 nm for amino acids; 385, 860 and 945 nm for glucosinolates; and 454, 472 and 530 nm for carotenoids. CONCLUSION: Optical reflectance spectroscopy shows potential as a tool for the estimation of functional components in the leaves of Chinese cabbage. The results of the present study provide useful information for the design and application of sensors with respect to on‐site quantification of the functional components. © 2018 Society of Chemical Industry
- Subjects
CHINESE cabbage; GLUCOSINOLATES; CROP growth; REFLECTANCE spectroscopy; CAROTENOID content in vegetables; FOLIAR diagnosis; AMINO acid content of vegetables
- Publication
Journal of the Science of Food & Agriculture, 2019, Vol 99, Issue 2, p711
- ISSN
0022-5142
- Publication type
Article
- DOI
10.1002/jsfa.9237