Qiong Wang¹ , Liting Wang²

1 Tropical Marine Fisheries Research Center, Hainan Institute of Tropical Agricultural Resources, Sanya, 572025, Hainan, China
2 Hainan Institute of Biotechnology, Haikou, 570206, Hainan, China
Author    Correspondence author
International Journal of Aquaculture, 2025, Vol. 15, No. 5   doi: 10.5376/ija.2025.15.0024
Received: 18 Aug., 2025    Accepted: 30 Sep., 2025    Published: 15 Oct., 2025

This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Wang Q., and Wang L.T., 2025, Nutritional and antioxidant properties of Porphyra spp.: implications for human health, International Journal of Aquaculture, 15(5): 248-254 (doi: 10.5376/ija.2025.15.0024)

Porphyra spp. is a widely edible marine red algae that has attracted much attention for its rich nutritional value and significant antioxidant activity. This study systematically analyzes the nutritional composition, functional compounds and their antioxidant properties of seaweed, and explores the potential benefits of seaweed intake for human health. Seaweed has high protein content, complete types of essential amino acids and appropriate proportions; it is rich in carbohydrates and dietary fiber, and has significant vitamins and minerals. Seaweed is rich in functional ingredients such as polyphenols, carotenoids, phycobilidins and sulfate polysaccharides, making it have significant antioxidant activity and a variety of biological functions. Studies have shown that seaweed extract has the ability to scavenge free radicals and may play an active role in anti-inflammatory, immune regulation, cardiovascular health protection, as well as anti-tumor and anti-aging. This study sorts out the results of research on nutrition and function of seaweed in recent years and discusses future research and application directions.

Seaweed; Nutritional components; Antioxidant; Functional compounds; Human health