Abstrakt
Harvested potatoes and pumpkins are usually stored before processing or consumption. This makes it critical to understand the effect of storage on the chemical composition changes in these products. Prolonged storage can cause a decrease/increase or maintain the level of some nutrient. The objective of this study was to investigate the changes in chemical composition during storage of the great pumpkin cvs. ‘Justynka F1’, ‘Karowita’, ‘Amazonka’ fruit flesh and the coloured fleshed potato cvs. ‘Blue Congo’, ‘Vitelotte’ and ‘Blue Danube’ tubers. Standard methods were applied to determine the following: dry matter, crude fibre, crude ash and weight loss. After four months of storage, the dry matter content significantly increased in all potato cultivars tubers. The largest increase in dry matter was measured in tubers of ‘Blue Congo’ (2.34%). During storage, crude ash content changed non-significantly in all cultivars. Crude fibre content decreased significantly in ‘Blue Danube’ (1.02%) and ‘Vitelotte’ (0.50%) tubers. After four months of storage the largest weight losses were found in tubers of ‘Vitelotte’. After storage period dry matter significantly decreased in all tested pumpkin cultivars. The maximum dry matter and weight loss decrease was found in flesh of ‘Justynka F1’ (5.36%). The content of crude ash tended to increase in flesh of all cultivars, but no significant differences were found before and after storage period. Crude fibre content significantly decreased in all pumpkin cultivars. The highest crude fibre decrease was found in flesh of ‘Justynka F1’ (17.05%).
Bibliografia
Abong, G.O., Okoth, M.W., Karuri, E.G., Kabira, J.N., Mathooko, F.M. (2009). Nutrient contents of raw and processed products from Kenyan potato cultivars. J. Appl. Biosci., 16, 877–886.
Akwaowo, E.U., Ndon, B.A., Etuk, E.U. (2000). Minerals and antinutrients in ftuted pumpkin. Food Chem., 2, 235–240.
Arvayo-Ortiz, R.M., Garza-Orteg, S., Yahia, F.M. (1994). Postharvest response of winter squash to hot-water treatment, temperature and length of storage. Hort Technol., 4, 253–255.
Biesiada, A., Nawirska, A., Kucharska, A., Sokół-Łętowska, A. (2009). The effect of nitrogen fertilization methods on yield and chemical composition of pumpkin (Cucurbita Maxima) fruits before and after storage. Veget. Crops Res. Bull., 70(1), 203–211.
Brook, R.C., Fick, R.J., Forbush, T.D. (1995). Potato storage design and management. Am. Potato J., 72, 463–480.
Burdon, J.N. (1997). Postharvest handling of tropical and subtropical fruits for export. In: Post-harvest physiology and storage of tropical and subtropical fruits, Mitra, S. (ed.). CAB Interna-tional, UK, 1–19.
Burton, W. G., van Es, A., Hartmans, K.J. (1992). The physics and physiology of storage. In: The Potato Crop, Harris, P.M. (ed.). Chapman and Hall, London, UK.
Danilcenko, H., Jariene, E., Paulauskiene, A., Gajewski, M. (2007). Nutritional and technological value of different cultivars of pumpkin. In: Spontaneous and induced variation for the genetic improvement of horticultural produces, Nowaczyk, P. (ed.). Univ. Press Univ. of Technology and Life Sciences in Bydgoszcz, 89–94.
Dutta, D., Chaudhuri, U.R., Chakraborty, R. (2006). Effect of thermal treatment on the β-carotene content, colour and textural properties of pumpkin. J. Food Sci. Technol., 43(6), 607–611.
Galoburda, R., Murniece, I., Karklina, D. (2013). The amount of fat absorbed by non-stored and stored. potatoes after frying and roasting. Internat. J. Biosci. Biochem. Bioinform., 3(4), 345–348.
Graee, T., Aarseth, L.I. (1993). Universal stores for fresh plant products. Melding Inst. Tekniske-Fag Norges Landbrukshogskole, 20–21 (in Norwegian).
Gumul, D., Ziobro, R., Noga, M., Sabat, R. (2011). Characterisation of five potato cultivars according to their nutritional and pro-health components. Acta Sci. Pol. Technologia Alimentaria, 10(1), 73–81. Hassanpanah, D., Hassanabadi, H., Azizi Chakherchaman, S.H. (2011). Evaluation of cooking quality characteristics of advanced clones and potato cultivars. Am. J. Food Tech., 6, 72–79.
Herrman, T., Love, S., Shafii, B., Dwelle, R. (1996). Chipping performance of three processing potato cultivars during long-term storage at two temperature regimes. Am. J. Potato Res., 73(9), 411–425.
Howarth, N.C., Saltzman, E., Roberts, S.B. (2001). Dietary fiber and weight regulation. Nutr. Rev., 59(5), 129–139.
Iacuzzo, F., Dalla-Costa, L. (2009). Yield performance, quality characteristics and fruit storability of winter squash cultivars in subhumid areas. Sci. Hortic., 120. 330–335.
Jansen, G., Flamme, W. (2006). Coloured potatoes (Solanum tuberosim L.) – anthocyanin content and tuber quality. Genetic. Res. Crop Evol., 53, 1321–1331. Jarienė, E., Vaitkevičienė, N., Chupakhina, N., Poltavskaya, R.L., Kita, A. (2013). Antioxidant compounds and antioxidant activity in blue-fleshed potatoes. Rural development 2013: The sixth international scientific Conference Proceedings. ASU, Lithuania, 119–122.
LST ISO 751:2000. Fruit and vegetable products. Determination of water-insoluble solids (idt ISO 751:1998 [E]).
Maiti, R.K., Sarkar, N.C., Singh, V.P. (2006). Principles of post harvest seed physiology and technology. Agrobios, India, 450.
Mathur, A. (2003). Studies on phosphorylation status of starch in potato tubers (Solanum tuberosum L.). MSc. Thesis, Department of Biotechnology and Environmental Sciences, Thapar Institute of Engineering and Technology, Patiala, 10–14.
Methodenbuch – VDLUFA, 1983–1999. Band III. Die chemische Untersuchung von Futtermitteln [Chemical analyses of feedstuffs]. Verlag-Darmstadt, Germany [in German].
Nawirska-Olszańska, A. (2011). Przydatność owoców dyni jako surowca do przetwórstwa spożywczego. Monografie, 132, Wrocław, 59.
Pranaitienė, R., Danilčenko, H., Jarienė, E., Dabkevičius, Z. (2008). The effect of inhibitors on the changes of potato tuber quality during the storage period. J. Food Agr. Environ., 6(3, 4), 231–235.
Rahman, M.A., Miaruddin, M., Khan, M.H.H., Masud, M.A.T., Begum, M.M., 2013. Effect of storage periods on postharvest quality of pumpkin. Bangladesh J. Agril. Res., 38(2), 247–255.
Rumeza, H., Zafar, I., Mudassar, I., Shaheena, H. Masooma, R. (2006). Use of vegetables as nutritional food: role in human health. J. Agric. Biol. Sci., 1(1), 18–22.
Sandhu, K.S., Parhawk, B. (2002). Studies on the preparation of dehydrated potato cubes. J. Food Sci. Technol., 39, 594–602.
Sojak, M.J., Jaros, M., Głowacki, S. (2014). Analysis of giant pumpkin (Cucurbita maxima) quality parameters in various technologies of convective drying after long-term storage. Dry. Technol. Internat. J., 32(1), 106–116.
Srivastava, A., Kumar, S. (2012). Study of biochemical changes in Solanum tuberosum due to infection and storage. J. Chem. Pharm. Res., 4(5), 2733–2739.
Thompson, A.K. (1996). Postharvest technology of fruits and vegetables. Blackwell Sci. Ltd., 410.
Threapleton, D.E., Greenwood, D.C., Evans, C.E.L., Cleghorn, Ch.L., Nykjaer, C., Woodhead, Ch., Cade, J.E., Gale, Ch.P., Burley, V.J. (2013). Dietary fibre intake and risk of cardiovascu-lar disease: systematic review and meta-analysis. BMJ, 347, f6879.
Toma, R.B., Augustin, J., Shaw, R.L., True, R.H., Hogan, J.M. (1978). Proximate composition of freshly harvested and stored potatoes (Solanum tuberosum L.). J. Food Sci., 43(6), 1702–1704.
Wani, T.A., Sood, M. (2014). Effect of incorporation of cauliflower leaf powder on sensory and nutritional composition of malted wheat biscuits. African J. Biotechnol., 13(9), 1019–1026.
Willett, W.C., Hunter, D.J., Stampfer, M.J., Colditz, G., Manson, J.E., Spiegelman, D., Rosner, B., Hennekens, C.H., Speizer, F.E. (1992). Dietary fat and fiber in relation to risk of breast cancer. An 8-Year Follow-up. JAMA, 268(15), 2037–2044.
Wszelaczynska, E., Janowiak, J., Spychaj-Fabisiak, E., Pinska, M. (2007). Influence of fertilisation on selected qualitative properties of bila potato tubers. Acta Sci. Pol., Agricultura, 6(4), 91–96.
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