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Articles

ELECTRICAL IMPEDANCE SPECTROSCOPY INVESTIGATION ON CUCUMBER DEHYDRATION

Article number

804_93

Pages

637 – 644

Language

English

Abstract

The electrical impedance parameters of cucumber during cucumber drying procedure were studied with a Solartron™ Impedance/Gain-phase Analyzer, which has a sweeping frequency range from 100 Hz to 1 MHz.
Two non-destructive electrodes, the 3M Red Dot surface adhesive gel electrodes, were attached symmetrically along the circumferential direction of samples.
It was found that the impedance properties changed with the different moisture content.
The magnitude of impedance decreased when moisture dropped from 95 to 68.05% after 210 min. drying.
And the diameter of the impedance arc as shown in the Nyquist Plot also reflects the moisture content variations.
A comparison study for three different electrical models, Hayden model, double-shell model and distributed model, is also carried out.
The results of Chi-squared value and the weighted SS show the distributed model is the best model for characterising cucumber impedance characteristics.

Publication

Europe-Asia Symposium on Quality Management in Postharvest Systems – Eurasia 2007

Authors

Xing Liu, Qiang Fang, Sicong Zheng, I. Cosic, Peng Cao

Keywords

cucumber, dehydration, impedance, resistance, capacitance, electrical model

Full text

https://doi.org/10.17660/ActaHortic.2008.804.93

Online Articles (96)

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17. EFFECT OF STORAGE PERIOD AND NATURAL ADDITIVE QARE-QAT ON TEA QUALITY

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R. Moe | G.G. Patil

19. BIOCHEMICAL PROCESSES INVOLVED IN PHYSIOLOGICAL DISORDERS AND DISEASE IN APPLE AND PEAR: THE DETERMINING ROLE OF HYDROGEN PEROXIDE

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20. ELECTRICAL IMPEDANCE SPECTROSCOPY INVESTIGATION ON BANANA RIPENING

Xing Liu | Qiang Fang | Sicong Zheng | I. Cosic

21. PARTIAL PURIFICATION AND PROPERTY OF MG-DECHELATASE FROM HARVESTED BANANA FRUIT

22. THE POTENTIAL USE OF LOCALLY PREPARED CHITOSAN TO CONTROL IN VITRO GROWTH OF COLLETOTRICHUM GLOEOSPORIOIDES ISOLATED FROM PAPAYA FRUITS

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T. Jaroenkit | S. Ussahatanonta | J. Phimphimol

24. EFFECT OF DIFFERENT POTTING MEDIA ON GROWTH AND FLOWERING OF DAHLIA COCCINIA CV. MIGNON

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25. CHLOROPHYLL FLUORESCENCE AS A TOOL TO EVALUATE SENESCENCE OF LONGAN (DIMOCARPUS LONGAN LOUR.) FRUIT

26. EFFECT OF DIFFERENT PRE-HARVEST CONDITIONS ON THE POSTHARVEST KEEPING QUALITY OF CUT GERBERA

E. Davarynejad | A. Tehranifar | Z. Ghayoor | G.H. Davarynejad

27. SPRAYING OF SUCROSE ON THE GREENHOUSE-GROWN ROSE AND ITS EFFECTS ON THE VASE LIFE OF THE CUT FLOWERS CV. ALEXANDER

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28. EFFECTS OF PRE-HARVEST CALCIUM FERTILIZATION ON VASE LIFE OF ROSE CUT FLOWERS CV. ALEXANDER

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29. IMPROVEMENT OF FRUIT QUALITY BY S-ABA AND THE FERTILIZER FORMULATED K, P, MG, BO, MN CONTAINING S-ABA AS PRE-HARVEST APPLICATION ON PEACHES AND APPLES

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30. STUDY ON THE PASTING PROPERTIES OF CHINESE CHESTNUT STARCH IN DIFFERENT VARIETIES BEFORE AND AFTER STORAGE

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31. ANTIFUNGAL ACTIVITY OF CHITOSAN COATING AND ITS COMPONENTS ON LASIODIPLODIA THEOBROMAE IN LONGAN

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33. INFLUENCE OF NITRIC OXIDE ON PERICAP BROWNING OF LITCHI CV. ‘CHAKRAPAD’

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34. INVESTIGATIONS ON EXTENDING SHELF LIFE OF FEIJOA FRUITS WITH COOL STORAGE CONDITIONS

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35. DEVELOPMENT OF POSTHARVEST TECHNIQUES FOR PERSIMMON FRUITS OF THACHTHAT VARIETY GROWN IN THE NORTH OF VIETNAM

H.T.T. Lan | M.N. Xuan

36. EFFECT OF UV-C IRRADIATION ON CHLOROPHYLL DEGRADATION AND MICROBIAL GROWTH IN FRESH CUT CHINESE KALE (BRASSICA ALBOGLABRA)

W. Deesakul | V. Srilaong | A. Uthairatanakij | P. Jitareerat

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38. EFFECT OF THIDIAZURON ON QUALITY AND VASE LIFE OF HELICONIA (HELICONIA SPP. CV. BIGBUG)

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Guixi Wang | Lisong Liang | Huali Hu | Pengxia Li

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S. Kaewsuksaeng | A. Uthairattanakij | V. Srilaong | S. Kanlayanarat

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C. Chawengkijwanich | Y. Hayata

80. EFFECT OF NITRIC OXIDE ON DISORDER DEVELOPMENT AND QUALITY MAINTENANCE OF PLUM FRUIT STORED AT LOW TEMPERATURE

81. INTERNAL BROWNING OCCURRENCES OF ‘QUEEN’ PINEAPPLE UNDER VARIOUS LOW TEMPERATURES

P. Youryon | C. Wongs-Aree | W.B. McGlasson | S. Glahan | S. Kanlayanarat

82. IMPROVING POSTHARVEST REDDENING AND SHELF LIFE OF FRESH CHILI (CAPSICUM ANNUUM) USING SIMPLE EVAPORATIVE COOLER

M. Vanndy | B. Buntong | A. Acedo Jr. | K. Weinberger

83. EVAPORATIVE COOLING STORAGE OF TOMATO IN CAMBODIA AND LAOS

84. CHARACTERISTICS OF FRESH-CUT ‘KHAKE DAM’ AND ‘RED MARADOL’ PAPAYAS PROCESSED FROM WHOLE FRUITS STORED AT VARIOUS TEMPERATURES

J. Poubol | T. Puthmee | S. Kanlayanarat

85. COLD CHAIN MANAGEMENT FOR VEGETABLE SUPPLY TO SINGAPORE MARKET

P.B.E. Siew | L.T. Lam-Chan

86. PHYSIO-BIOCHEMICAL CHANGES IN LETTUCE STORED AT AMBIENT TEMPERATURE WITH PRIOR STORAGE AT LOW TEMPERATURE

D. Chandra | T. Matsui | H. Suzuki | Y. Kosugi | A.K.M. Shameem Alam

87. EFFECTS OF SHORT-TERM N₂ TREATMENT ON LIPID PEROXIDATION, ANTI-OXIDANT ENZYMES AND FLESH SOFTENING OF KIWI FRUITS DURING COLD STORAGE

88. EFFECT OF STORAGE TEMPERATURE ON PEEL COLOR AND PHYSIOLOGICAL CHANGES OF LONGKONG FRUIT (AGLAIA DOOKKOO GRIFF)

I. Lichanporn | V. Srilaong | C. Wongs-Aree | S. Kanlayanarat

89. EFFECTS OF TEMPERATURE AND STORAGE CONDITIONS ON AROMA VOLATILE COMPOUNDS IN FRESH-CUT MELON (CUCUMIS MELO L. CV. KUYLIN)

P. Fuggate | C. Wongs-Aree | K.L. Kyu | S. Kanlayanarat | S. Noichinda

90. VACUUM COOLING OF LONGAN FRUIT AFTER HARVEST

H.T. Lin | L. Chen | Y.M. Jiang

91. PRESENT STATUS OF QUALITY MANAGEMENT IN POSTHARVEST SYSTEM FOR FRUIT IN BANGLADESH

M.A. Rahim | M.A. Kabir | M.A. Hossain | F. Islam | N. Naher

92. THE FOLIAR UPTAKE OF MICRONUTRIENTS

T. Durstberger | H.R. Bolhàr-Nordenkampf | M.H. Meister | J. Zahrl

93. ELECTRICAL IMPEDANCE SPECTROSCOPY INVESTIGATION ON CUCUMBER DEHYDRATION

Xing Liu | Qiang Fang | Sicong Zheng | I. Cosic | Peng Cao

94. STUDY OF PROGRAMMED HYPOBARIC STORAGE OF ‘CUIGUAN’ PEARS

95. ROLE OF QUALITY MANAGEMENT IN STRATEGIC PLANNING OF HUNGARIAN PRODUCERS’ ORGANIZATIONS (POs)

K. Takács-György | Z. Horváth | I. Takács

96. EXAMINATION OF VOLATILE PATTERNS OF FRUIT AND VEGETABLES USING A NON-TARGETED ANALYSIS APPROACH

D. Ulrich | T. Nothnagel | K. Olbricht