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Home / Transactions of the Chinese Society of Agricultural Engineering, Volume 25, Supplement 2

Open Access Measurement of soluble solid content in apples using near infrared spectroscopy

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Difference of soluble solids content (SSC) of apples was compared with static detection of near-infrared spectroscopy and online detection of near-infrared spectroscopy. The characteristic wavelength bands of SSC were searched by interval partial least square (iPLS) regression in the wavelength range of 600-950 nm (static) and 600.02-950.92 nm (online). The models of SSC were developed in static and online measurement mode. The online model was inferior to the static model with correlation coefficient of 0.78 and root mean square error of prediction (RMSEP) of 1.04 oBirx. The results show that it is inferior to statically determine SSC for online determination SSC of apples by NIRS technique.

Keywords: apple; near-infrared spectroscopy; nondestructive testing; online; partial least square method; soluble solids content

Document Type: Research Article

Publication date: 15 October 2009

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  • Transations of the Chinese Society of Agricultural Engineering(TCSAE), founded in 1985, is sponsored by the Chinese Chemical Society. TCSAE has been indexed by EI Compendex, CAB Inti, CSA. TCSAE is devoted to reporting the academic developments of Agricultural Engineering mainly in China and some developments from abroad. The primary topics that we consider are the following: comprehensive research, agricultural equipment and mechanization, soil and water engineering, agricultural information and electrical technologies, agricultural bioenvironmental and energy engineering, land consolidation and rehabilitation engineering, agricultural produce processing engineering.

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