Dietary fibre, mineral, vitamin, amino acid and fatty acid content of seagrasses from Tuticorin Bay, Southeast coast of India

► First report on certain seagrass phytochemical. ► Dietary fiber highest in rhizome of Halophila. ► Highest K (Cymodocea), Ca & Mg (Halodule) and Na (Syringodium). ► Max vit A (rhizome), C & E (root) of Cymodocea and B3 (Syringodium, root). ► Max amount of amino acids in Halodule and of fatty acids in Syringodium.