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Determination of Apple Storage Period by UsingElectronic Senses and Chemometrics(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年22
Page:
137-141
Research Field:
Publishing date:

Info

Title:
Determination of Apple Storage Period by UsingElectronic Senses and Chemometrics
Author(s):
LIU Zhiyang; LIU Yan
College of Biological Food Science，Changchun Sci-tech University，Changchun，Jilin 130600
Keywords:
apple; storage period; total acid; solid content; partial least squares (PLS)
PACS:
-
DOI:
10.11937/bfyy.20170922
Abstract:
Apple was taken as test material,apple samples was determined with electronic nose and its contents of total acids，solid were also determined interval two months.The experimental data was planed to established the mathematic model of total acids and solid content via partial least squares (PLS) regression，then statistical regression analysis to rapid determine the apple storage period and the content of total acid and solid.The results showed that first and second principal component contribution rate of electronic nose reached 90.616%，good discrimination，and total acid validation set decision coefficient (R2v) was 0.906 3，predict root mean square error (RMSEP) was 0.888 1，the relative analysis error (RPD) was 2.75；solids content validation set decision coefficient (R2v) was 0.917 0，predict root mean square error (RMSEP) was 0.747，RPD was 2.69，these model results were displayed a good prediction and showed that the method was feasible of rapid detection total acid and solid content of apple storage periods.

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Last Update: 2017-11-23