Proximate Compositions and Biological Activities of Caulerpa lentillifera

Abstract

Caulerpa lentillifera is an edible and functional seaweed due to its high nutritional compositions and its biological activities. In this study, C. lentillifera was evaluated for its proximate compositions (moisture, ash, protein, lipid and fiber contents) and its biological activities (antimicrobial, anti-oxidant, and toxicity). Moisture content, crude lipid, crude protein, and crude fiber were determined using oven method, soxhlet extraction, semi-micro Kjeldhal, and hydrolysis, respectively. Fresh C. lentillifera of Natuna Island, Indonesia, showed its higher level content of ash, crude lipid, and crude fiber compared to that of fresh C. lentillifera of Penghu, Taiwan. For its biological activity assays, the extracts were prepared from fresh and dry C. lentillifera (FC and DC). Both of the extracts showed the broad spectrum of weak antimicrobial using well-diffusion agar tests and antioxidant activities using a modified linoleic acid emulsion system. The toxicity for both extracts was determined using brine shrimp lethality test. DC extract showed its very low toxicity level and there was no toxicity for FC. Hemolytic activity was determined using red blood assay. Both extracts showed their low hemolytic activities (about 5-13%) for the concentration of 100 and 150 μg/mL, but the activity increased sharply (about 96%) on the concentration of 200 μg/mL. It was concluded that C. lentillifera has a potency as a functional food due to containing secondary metabolites with various biological activities.

Effect of Oxidative Stress on Physicochemical Quality of Taiwanese Seagrape (Caulerpa lentillifera) with the Application of Alternating Current Electric Field (ACEF) during Post-Harvest Storage

“…The toxicity of ROS will lead to the physicochemical deterioration in seagrape due to the oxidative stress during post-harvest storage. Nofiani et al [72] explained the hemolytic activity observation was used to monitor the lysis of seagrape. Hemolytic activity might interfere with the membrane cells and induce hemolytic anemia as the presence of astringent phenolic content on seagrape.…”

Identifikasi, Keragaman dan Sebaran Caulerva sp Sebagai Komoditas Potensial Budidaya Pulau Bunguran, Natuna

“…Bahkan jenis angur laut Caulerpa sp kini menjadi komoditas ekspor sebagai produk makanan, obat-obatan, kosmetik, dan produk lainya (Tanduyan et al, 2013). Anggur laut Caulerpa sp merupakan jenis alga laut hijau Chorophyta dengan kandungan asam amino dan protein, sehingga tengah dikembangkan menjadi produk unggulan (Nofiani et al 2018).…”

“…Sebaran jenis Caulerpa sp cukup luas terutama pada kawasan beriklim tropis karena jenis ini membutuhkan asupan sinar matahari dalam proses fotosintesisnya. Jenis Caulerpa sp dijumpai di sebagian besar wilayah asia yakni; Indonesia, Thailand, Malaysia, Jepang, China, Filiphina, Korea, serta lokasi lain yang disekitar kawasan asia (Nofiani et al 2018). Sebaran jenis Caulerpa sp juga dijumpai di pulau-pulau kecil di Indonesia.…”

Effects of Dietary Caulerpa lentillifera Supplementation On Growth Performance and Survival Rate of Milk Fish, Chanos chanos (Forsskål, 1775)

“…Sea grapes are edible and have a fairly high nutritional content as vegetable protein, minerals and vitamins. The nutritional content of sea grapes is 0.16-18% crude fiber, 0.08-0.80% crude lipid, 94-96% wet content and 0.43-0.55% crude protein (Nofiani et al, 2018). Recently, the use of sea grapes, C. lentillifera in fish feed raw materials has been very limited.…”