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Not AvailableSeaweeds present a promising option for inclusion in the human diet through supplementation in various food systems. Sea grapes (Caulerpa racemosa), a common tropical green seaweed, has immense nutritional potential. An attempt was made to utilize the health benefits of sea grapes in human diet via biscuit as carrying medium. The effect of C. racemosa incorporation on nutritional, physical, anti-oxidative and sensorial characteristics of biscuits was assessed. Functional properties of seaweed-flour mix along with the pattern of dough were evaluated. Caulerpa racemosa addition increased water and oil absorption capacity of flour mix. Likewise, increase was noticed in solvent retention capacities (sodium carbonate, lactic acid, and sucrose) of flour mix. Inclusion of C. racemosa in biscuit enhanced the nutritive potential. Protein and fiber content of biscuits increased with rising level of C. racemosa incorporation. With increase in the concentration of seaweed in biscuits, the phenolic content and anti-oxidant activities (DPPH, ABTS, H2O2 radical scavenging activity and ferric reducing anti-oxidant power) increased. The sensory rating of biscuits varied from Bneither like nor dislike^ to Blike slightly^ on 9-point Hedonic scale. The study demonstrated the positive nutritional effect of C. racemosa inclusion in biscuits. Further, the health benefits of different seaweeds can be explored via in various other food systems. This could give rise to new and significant segment of health foods—Bcomposite seaweed food products.Not Availabl