Physicochemical and microbiological characteristics of kitoza, a traditional salted/dried/smoked meat product of Madagascar.

Physicochemical and microbiological characteristics of kitoza, a traditional salted/dried/smoked meat product of Madagascar.

Ratsimba, Angela;Rakoto, Danielle;Jeannoda, Victor;Andriamampianina, Herizo;Talon, Régine;Leroy, Sabine;Grabulos, Joël;Arnaud, Elodie;
Food science & nutrition 2019 Vol. 7 pp. 2666-2673
242
ratsimba2019physicochemicalfood

Abstract

Kitoza samples collected from producers in Madagascar were analyzed for their physicochemical and microbial properties. Lactic acid bacteria and coagulase-negative staphylococci were the two codominant populations with average counts of 6-7 log cfu/g. Good hygienic practices were sometimes lacking but samples were not contaminated with , , and and only once with . was found occasionally with higher counts in salted/dried products than in salted/smoked products. Moisture, protein, fat, and salt contents varied considerably and were on average 41.5, 43.5, 14.3, and 3.3 g/100 g, respectively, and water activity was 0.893 on average. Smoked kitoza showed higher moisture content compared to dried kitoza. Most of the smoked kitoza had a water activity higher than 0.9 which is not in accordance with their storage at ambient temperatures. Benzo(a)pyrene content was above 2 µg/kg in 11 out of 30 smoked samples (17 ± 16.5 µg/kg on average).

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89699
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