Application of Artificial Neural Networks (ANN) and Image Processing for Prediction of the Geometrical Properties of Roasted Pistachio Nuts and Kernels
محورهای موضوعی : MicrobiologyToktam Mohammadi Moghaddamm 1 , Seyed Mohammad Ali Razavi 2
1 - Department of Food Science and Technology, Neyshabur University of Medical Sciences, Neyshabur, Iran
Department of Food Science and Technology, Ferdowsi University of Mashhad (FUM), POBox: 91775-1163, Mashhad, Iran
2 - Department of Food Science and Technology, Ferdowsi University of Mashhad (FUM), POBox: 91775-1163, Mashhad, Iran
کلید واژه: image processing, Pistachio, ANN, Roasting, Dimensions, Sphericity, Shape factor, Surface area,
چکیده مقاله :
Roasting is the most common way for pistachio nuts processing, and the purpose of that was to increase the products total acceptability. Purpose of this study was to investigate the effect of temperature (90, 120 and 150°C), time (20, 35 and 50 min), and roasting air velocity (0.5, 1.5 and 2.5 m/s) on geometrical attributes of pistachio nuts and kernels including principle dimensions, shape factor, sphericity, surface area, shell splitting, and true volume. An experimental method and image processing were used in order to measure the geometrical properties. The Artificial Neural Networks (ANN) method was used for predicting the correlation between experimental and image properties. The results showed that the time, temperature, and roasting air velocity didn’t have significant effect on principle dimensions, shape factor, sphericity, surface area, shell splitting, and true volume. In all cases, the shape factor of pistachio nuts and kernels were more than 1.25. So, pistachio samples had ellipsoid shape. Pistachio kernels had more similarity to ellipsoid shape in comparison with pistachio nuts. The results revealed that ANN could predict the length, width, height, shape factor, sphericity, shell splitting, surface area, and true volume of roasted pistachio nuts and kernels.
Ercisli S, Sayinci B, Kara M, Yildiz C, Ozturk I (2012) Determination of size and shape features of walnut (Juglans regia L.) cultivars using image processing. Scientia Horticulturae. 133, 47-55.
FAO, S (2017) FAOSTAT database. Food and Agriculture Organization of the United Nations, Rome, Italy, 1.
Goktas Seyhan F (2003) Effect of soaking on salting and moisture uptake of pistachio nuts (Pistachia vera L.) from Turkiye. Gida/the journal of food. 28(4), 395-400.
Hsu MH, Mannapperuma J, Singh RP (1991) Physical and thermal properties of pistachios. Journal of Agricultural Engineering Research. 49, 311-321.
Karimi H (2015)Nut fruits (pistachio, almond, walnut, filbert, pecan and cheastnut): Jahad Daneshgahi publication, mMashhad, Iran.
Kashaninejad M, Tabil L (2011) Pistachio (Pistacia vera L.). In Postharvest biology and technology of tropical and subtropical fruits, (pp. 218-247e): Elsevier.
Kashaninejad M, Mortazavi A, Safekordi A, Tabil L (2006) Some physical properties of Pistachio (Pistacia vera L.) nut and its kernel. Journal of Food Engineering. 72(1), 30-38.
Maghsoudi H, Khoshtaghaza M, Minaei S (2010) Selected geometric characteristics, density, and mechanical properties of unsplit pistachio nut. International Journal of Food Properties. 13(2), 394-403.
Maghsudi S (2010) Pistachio (agricultural, industry, nutrition and treatment). Iran Agricultural Science Publishing Inc., Iran. [In Persian].
Mohsenin NN (1986) Physical properties of plant and animal materials. [In Persian].
Özdemir M (2001) Mathematical analysis of color changes and chemical parameters of roasted hazelnuts. Fen Bilimleri Enstitüsü.
Ozkan G, Koyuncu M A (2005) Physical and chemical composition of some walnut (Juglans regia L.) genotypes grown in Turkey. Grasas y Aceites. 56(2), 141-146.
Polat R, Aydin C, Ak BE (2007) Some physical and mechanical properties of pistachio nut. Bulgarian Journal of Agricultural Science.13(2), 237-245.
Rashidi M, Gholami M (2008) Determination of kiwifruit volume using ellipsoid approximation and image-processing methods. International Journal of Agriculture and Biology. 10(4), 375-380.
Razavi SM, Rafe A, Moghaddam TM, Amini AM (2007) Physical properties of pistachio nut and its kernel as a function of moisture content and variety. Part II. Gravimetrical properties. Journal of Food Engineering. 81(1), 218-225.
Razavi SM, Emadzadeh B, Rafe Amini AM (2007) The physical properties of pistachio nut and its kernel as a function of moisture content and variety: Part I. Geometrical properties. Journal of Food Engineering. 81(1), 209-217.
