期刊
FOODS
卷 12, 期 16, 页码 -出版社
MDPI
DOI: 10.3390/foods12163039
关键词
Spirulina; Himanthalia elongata; amino acid profile; functional food; antioxidant activity
Algae are promising alternative ingredients due to their high-quality proteins, dietary fiber, minerals, and phenolic compounds. This study compares the nutritional and antioxidant composition of whole-wheat pasta without and with algae enrichment, and examines the effect of cooking on their features. The results show that algae-enriched pasta has significantly higher fat, protein, ash, and amino acid contents, as well as higher antioxidant activity. After cooking, the protein, dietary fiber, amino acids, and antioxidant activity remained stable in the algae-enriched pasta.
Algae contain high-quality proteins, dietary fiber, minerals, and phenolic compounds, making them promising alternative ingredients. Since pasta is consumed worldwide, it can be an effective vehicle for incorporating algae. This study compares the nutritional and antioxidant composition of whole-wheat pasta without and with enrichment of an algae mixture (containing Himanthalia elongata and Spirulina) and ascertains the influence of the cooking procedure on their features. Spirulina and H. elongata were also analyzed in parallel for comparison purposes. Macronutrients, chlorides and salt, total and free amino acid profiles, and antioxidant properties (total phenolic content and ferric reducing antioxidant power) were analyzed using AOAC, Mohr's, high performance liquid chromatography with fluorescence detection, and spectrophotometric methods, respectively. The results show a significant increase in fat (70.4%), protein (29.7%), ash (26.5%), and total amino acid (except for serine, tryptophan, isoleucine, and threonine) contents in the raw algae-enriched pasta. The antioxidant activity was also higher (4.15 versus 3.68 g ferrous sulfate eq./g dw, respectively). After cooking, protein, dietary fiber, total amino acids (except threonine) and antioxidant activity were stable in the algae-enriched pasta. Thus, algae can be an excellent ingredient for food applications with health benefits.
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