Title: Research on the Relationship between Freshness and Dielectric Spectrum of Postharvest Ling-Wu Long Jujubes
Abstract: In order to seek the feasibility of freshness prediction of Ling-Wu long jujubes based on dielectric spectrum, the electrical parameters of Ling-Wu long jujube were measured dynamically using HIOKI 3532-50 LCR parallel-plates measuring instrument. The concept of dielectric freshness F was put forward and its freshness index TI was proposed according to local standards. The results indicated that there was significant linear correlation between F value and TI (R 2 =0.709). The freshness prediction model of Ling - W u long jujubes was established using the BP - ANN neural network (R 2 =0.894), the grade recognition rate was up to 82.14%. Freshness prediction of postharvest Ling - Wu long jujubes based on its dielectric spectrum was feasible.
Publication Year: 2015
Publication Date: 2015-02-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 1
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