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Water activity changes of multicomponent food mixture during processing النص الكامل
Stencl, J.(Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Zemedelske, Potravinarske a Environmentalni Techniky) | Komprda, T.(Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Technologie Potravin)
The objective of this study was to determine the changes in water activity and moisture content in the dry fermented sausages Herkules, a typical multicomponent food, during ripening and storage. The sausages were made with lean beef, lean pork, pork fat, nitrite salt mixture, and sugars, and fermented with two starter cultures (Pediococcus pentosaceus + Staphylococcus carnosus and S. carnosus + S. xylosus + Lactobacillus farciminis). The samples were taken and tested during ripening (21 days) and storage (91 days). The water activity was measured by indirect manometric method in a static environment, the moisture content by halogen dryer. The water activity and moisture content decreased considerably, but very irregularily during the ripening, whereas they declined only slowly and linearly during the storage. The decrease during the storage was expressed by mathematical equations describing the changes of water activity and moisture content in function of the time. The use of different starter cultures had no influence on the two variables studied.
اظهر المزيد [+] اقل [-]Stress hormone responses of sheep to food and water deprivation at high and low ambient temperatures
1996
Parrott, R.F. | Lloyd, D.M. | Goode, J.A. (MAFF Welfare and Behaviour Laboratory, Babraham Institute, Cambridge CB2 4AT (United Kingdom))
The effects of water temperature on food intake, growth and body composition of Cichlasoma urophthalmus (Gunther) juveniles
1996
Martinez-Palacios, C.A. | Chavez-Sanchez, M.C. | Ross, L.G. (Centro de Investigacion en Alimentacion y Desarrollo, A.C., Sabalo Cerritos s/n, Estero del Yugo, Mazatlan, Sinaloa (Mexico))
Effects of food and water withdrawal and high temperature exposure on diurnal variation in blood viscosity of broiler chickens
1998
Zhou, W.T. | Fujita, M. | Yamamoto, S. (Faculty of Applied Biological Science, Hiroshima University, Higashi-Hiroshima, 739-0046 (Japan))
The effect of water temperature and a size of consumed organisms on the rate of food evacuation in fish larvae of coastal phytophilous and coastal-pelagic complexes
1994
Fedoseev, O.N.
[Water supply and sunflower yield] | Alimentation en eau et rendement du tournesol
1997
Merrien, A. (Centre Technique Interprofessionnel des Oleagineux Metropolitains, Paris (France))
