了解不同生长期内的披针形蜈蚣藻营养成分,为接下来的蜈蚣藻实验提供数据基础。利用国标方法检测不同生长期内的蜈蚣藻营养成分,并利用感官评定对4个生长时期的蜈蚣藻进行评分。在1~4月份的样品中,蛋白质的质量分数最高可达到23.42%、灰分含量最高可达到19.47%、二者与无机元素含量和感官评分均随着生长时期的延长而增加,至4月份时均略有下降;总糖含量在1~3月份显著降低,至4月份时又略有上升,最高含量为63.77%;脂肪含量均低于0.5%。氨基酸总量在1~3月份差异不大,至4月份则明显降低。披针形蜈蚣藻是一种高蛋白、低脂肪、营养价值高的食用海藻,其中,3月份采收的样品更适宜食用。该结果对即食蜈蚣藻的产品开发提供合理有效的数据。
This study was conducted to understand the nutritional components of Grateloupia lanceolata during growth period. In addition, Grateloupia lanceolata at four growth stages were scored by sensory evaluation. In samples collected from January to April, the highest contents of protein and ash could reach 23.42% and 19.47%, respectively. Protein, ash, and inorganic elements content, as well as sensory scores increased during growth process and decreased slightly in April. In comparison, the total sugar content decreased significantly from January to March and increased slightly in April, with the highest content being 63.77%. The fat content remained to be lower than 0.5% during growth. The total amino acid content had no significant difference between January and March, but decreased significantly in April. Grateloupia lanceolata is a high protein, low fat and highly nutritious edible algae, which is more suitable to be consumed when collected in March. Overall, the results can provide reasonable and effective data for developing ready-to-eat Grateloupia lanceolate products.
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