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TLC based detection of compounds of H. elongata seaweed, visualized under visible light (a), bio-autographic screening of active antioxidant compound stained with 2.54 mM DPPH• solution in methanol (b), bio-autographic screening of active antimicrobial compound stained with 2% aqueous TTC solution (c), identification of active compound with respect to fucoxanthin standard (d), and purification of active compound using preparative-TLC (e).
