Color and chlorophyll content changes of minimally processed kiwifruit

A combined factors preservation technology involving blanching and vacuum solutes (sucrose, potassium sorbate, ascorbic and citric acids, zinc chloride) impregnation was proposed to minimize color changes in minimally processed kiwifruit slices during one month storage. Atmospheric impregnation was...

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Autor principal: Leunda, M.A
Otros Autores: Guerrero, S.N, Alzamora, S.M
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Blackwell Publishing Ltd 2000
Acceso en línea:Registro en Scopus
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024 7 |2 scopus  |a 2-s2.0-0034402584 
040 |a Scopus  |b spa  |c AR-BaUEN  |d AR-BaUEN 
100 1 |a Leunda, M.A. 
245 1 0 |a Color and chlorophyll content changes of minimally processed kiwifruit 
260 |b Blackwell Publishing Ltd  |c 2000 
270 1 0 |m Guerrero, S.N.; Departamento de Industrias, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, (1428) Buenos Aires, Argentina; email: sguerrero@indust.di.fcen.uba.ar 
506 |2 openaire  |e Política editorial 
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504 |a Alzamora, S.M., Tapia, M.S., Argaiz, A., Welti, J., Application of combined methods technology in minimally processed fruits (1993) Food Res. Int., 26, pp. 125-130 
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504 |a Guerrero, S.N., Alzamora, S.M., Gerschenson, L.N., Development of a shelf-stable banana purée by combined factors: Microbial stability (1994) J. Food Protect., 57, pp. 902-908 
504 |a Guerrero, S.N., Alzamora, S.M., Gerschenson, L.N., Optimization of a combined factors technology for preserving banana purée to minimize colour changes using the response surface methodology (1996) J. Food Eng., 28, pp. 307-322 
504 |a Hawkes, J., Flink, J.M., Osmotic concentration of fruit slices prior to freeze dehydration (1978) J. Food Processing Preservation, 2, pp. 265-284 
504 |a Heaton, J.W., Marangoni, A.G., Chlorophyll degradation in processed foods and senescent plant tissues (1996) Trends Food Sci. Technol., 7, pp. 9-15 
504 |a Khuri, A.Y., Cornell, J.A., (1987) Response Surface. Designs and Analysis. 1st Ed., , Interscience, London 
504 |a Lerici, C.R., Pinnavaia, G., Dalla Rosa, M., Bartolucci, L., Osmotic dehydration of fruit: Influence of osmotic agents on drying behaviour and product quality (1985) J. Food Sci., 50, pp. 1217-1220 
504 |a Lin, Z., Schyvens, E., Influence of blanching on the texture and color of some processed vegetables and fruits (1995) J. Food Processing Preservation, 19, pp. 451-465 
504 |a Robertson, G.L., Swinburne, D., Changes in chlorophyll and pectin after storage and canning of kiwifruit (1981) J. Food Sci., 46, pp. 1557-1562 
504 |a Sajur, S., (1985) Preconservación de Duraznos por Métodos Combinados, , M. Sc. Thesis. Universidad Nacional de Mar del Plata, Argentina 
504 |a Shi, X.Q., Fito, P.M., Vacuum osmotic dehydration of fruits (1993) Drying Technol., 11, pp. 1429-1442 
504 |a Shi, X.Q., Fito, P., Chiralt, A., Influence of vacuum treatment on mass transfer during osmotic dehydration of fruits (1995) Food Res. Int., 28, pp. 445-454 
504 |a Simmons, I.D., Drying and candying of chinese gooseberries (1978) Food Technol. Aust., 30, pp. 236-239 
504 |a Venning, J.A., Burns, D., Hoskin, T., Nguyen, T., Stec, M., Factors influencing the stability of frozen kiwifruit pulp (1989) J. Food Sci., 54, pp. 396-404 
504 |a Vernon, L.P., Spectrophotometric determination of chlorophylls and pheophytins in plant extracts (1960) Anal. Chem., 32, pp. 1144-1150 
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504 |a Wong, M., Stanton, D.W., Nonenzymic browning in kiwifruit juice concentrate systems during storage (1989) J. Food Sci., 54, pp. 669-673 
520 3 |a A combined factors preservation technology involving blanching and vacuum solutes (sucrose, potassium sorbate, ascorbic and citric acids, zinc chloride) impregnation was proposed to minimize color changes in minimally processed kiwifruit slices during one month storage. Atmospheric impregnation was also studied in order to compare both impregnation techniques. A Box-Behnken design was adopted and second order polynomial models were computed for different storage times to relate some process variables (blanching time, zinc content, storage temperature) to a color function (Brown Index). As the storage time increased, the response surfaces for vacuum treated fruits were vertically displaced to greater Brown Index values while the response surface behavior for atmospheric impregnated fruits were less dependent on storage time. For vacuum treated fruits, combinations of blanching and addition of zinc chloride improved the color of the finished product at all storage temperatures assayed, but these treatments were detrimental for atmospheric impregnated fruits, increasing significantly the Brown Index values. After storage, total chlorophyll had been degraded between 70 and 90% depending on the pretreatments. There did not appear to be any consistent relation between the changes which occurred in the total chlorophyll content and color.  |l eng 
593 |a Departamento de Industrias, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, (1428) Buenos Aires, Argentina 
690 1 0 |a ACTINIDIA DELICIOSA 
700 1 |a Guerrero, S.N. 
700 1 |a Alzamora, S.M. 
773 0 |d Blackwell Publishing Ltd, 2000  |g v. 24  |h pp. 17-38  |k n. 1  |p J. Food Process. Preserv.  |x 01458892  |w (AR-BaUEN)CENRE-417  |t Journal of Food Processing and Preservation 
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