Feasability of using electrical capacitance for determining the fruit ripeness of apple

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HAYATI ALI; Raofat Mohamad Hosein; KAMGAR SAADAT; Jahani Firooz

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Biosystems Engineering Year:2018 | Volume:49 | Issue:2 Page(s): 195-203

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Information Journal Paper

Title

Feasability of using electrical capacitance for determining the fruit ripeness of apple

Author(s)

HAYATI ALI | Raofat Mohamad Hosein | KAMGAR SAADAT | Jahani Firooz | Issue Writer Certificate

Keywords

AppleQ2

Capacitive sensorsQ1

frequencyQ2

Grading fruitQ1

Abstract

Grading based on product ripeness is important for marketing fruits and vegetables. Various methods have been used to determine fruit ripeness some of which are destructive and some nondestructive. In this study for determining the fruit ripeness of Apple during storage an apparatus was designed and fabricated to measure the electrical capacitance of the fruit samples as an indication of fruit ripeness. In the next stage a model was proposed to establish a relationship between the capacitance and ripeness (maturity rate) of the Apple fruits. The capacitance unit was used to measure the dielectric constant of two Apple varieties; Red delicious and Golden Delicious. For each variety three fruit samples of 45 mature Apples were harvested on one day. Each sample was divided into three groups of small, medium and large Apples. Preliminary tests indicated that the capacitance unit can establish a good relationship between dielectric constant and fruit ripeness at a frequency of 100 kHz. Remaining tests were conducted to measure dielectric constants of all samples under controlled conditions of temperature and humidity at this frequency. Analyses of the results indicated that dielectric constant decreases as the fruit ripens. This frequency level was also used to conduct other tests for measuring the fruit hardness and total soluble solids (TSS) during ripening stage. Results indicated that fruit hardness decreases and TSS increases during ripening.

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APA: Copy

HAYATI, ALI, Raofat, Mohamad Hosein, KAMGAR, SAADAT, & Jahani, Firooz. (2018). Feasability of using electrical capacitance for determining the fruit ripeness of apple. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 49(2 ), 195-203. SID. https://sid.ir/paper/144197/en

Vancouver: Copy

HAYATI ALI, Raofat Mohamad Hosein, KAMGAR SAADAT, Jahani Firooz. Feasability of using electrical capacitance for determining the fruit ripeness of apple. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2018;49(2 ):195-203. Available from: https://sid.ir/paper/144197/en

IEEE: Copy

ALI HAYATI, Mohamad Hosein Raofat, SAADAT KAMGAR, and Firooz Jahani, “Feasability of using electrical capacitance for determining the fruit ripeness of apple,” IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 49, no. 2 , pp. 195–203, 2018, [Online]. Available: https://sid.ir/paper/144197/en

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