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Preliminary Study of the Nutritional Content of Malaysian Edible Bird's Nest.

Malaysian edible bird's nests (EBN) are from the swiflet species, Aerodromus fuciphagus. The objective of this study was to determine and compare the nutrient composition of EBN obtained from different parts of Peninsular Malaysia, collected at three different harvesting seasons, to four commercial brands. A total of 18 raw, unprocessed EBN samples from the North, South and East Coast zones of Peninsular Malaysia and duplicate samples of 4 commercial brands (processed) of EBN samples were analysed. The protein and mineral contents of unprocessed EBN samples between zones and harvesting seasons were comparable. Mean (± SEM) protein content of unprocessed EBN was 61.5 ± 0.6 g/100g and the top four minerals detected were calcium, sodium, magnesium and potassium with mean (± SEM) concentration of 553.1 ± 19.5 mg/100g, 187.9 ± 10.4 mg/100g, 92.9 ± 2.0 mg/100g and 6.3 ± 0.4 mg/100g respectively. Sialic acid content ranged between 0.7 to 1.5%, and remained comparable between samples from different zones and harvesting seasons. The commercial brands were found to contain higher amounts of calcium, sodium, magnesium, potassium and phosphorus compared to unprocessed EBN, warranting further investigation and verification with more samples. Since the nutrient contents of EBN may be affected by seasonal variations and even breeding sites, it is recommended that a more comprehensive study be conducted involving more samples and breeding sites as such data are important to ensure sustainability of the EBN industry in this country.