Enquête sur la consommation de Helix aspersa en Algérie et Analyse biochimique d’échantillons de deux régions : Chlef et Mostaganem (Algérie)
Survey on the consumption of Helix aspersa in Algeria and Biochemical analysis of samples from two cities: Chlef and Mostaganem
Abstract
The current study aims to analyze the intake of Helix aspersa by the Algerian population, and also analyzing the biochemical composition of its flesh originating from two Algerian cities (Chlef and Mostaganem). A survey was carried out to collect data regarding snail consumption. To investigate the biochemical composition of Helix aspersa, initially the fleshes and the shells were separated from the viscera and washed many times with water. The amounts of dry matter and minerals in the flesh were assessed using thermogravimetric techniques. The protein content was determined using the Lowry method, whereas sugar was determined using the phenol-sulfuric acid method. The lipid content of snail flesh was determined using the sohxlet method. According to the findings related to the survey on Helix aspersa consumption, 95 out of 133 persons in the western Algeria region eat snails for it special flavor. The study on the biochemical composition of Helix aspersa flesh found 82.35±0.27% and 76.93±0.42% of water from samples collected at Mostaganem and Chlef cities, respectively. Protein levels were 13.47 ± 0.98 and 16.35 ± 0.87% in Mostaganem and Chlef samples, respectively. Similarly, ash’s values of 0.84±0.015 and 0.92±0.04% were reported. Low sugar and fat levels were seen in both species of snail. Further research on its vitamin, amino acid, and polyunsaturated fatty acid composition is intensely advised.
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