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Black Sea macroalgae are a marine resource with many benefits. Gongolaria barbata (Stackhouse) Kuntze 1891 (formerly known as Cystoseira barbata (Stackhouse) C. Agardh, 1820) is a brown macroalga with an essential role in biodiversity and in the marine ecosystem functioning, considered an ecologically valuable species at the Romanian Black Sea coast. Samples were collected during 2002 and 2023 years (August-September) from 6 stations of the Romanian Black Sea coast in order to characterize biochemically and highlight the presence of some biologically active compounds with therapeutic, pharmaceutical and cosmetic interest. Biochemical composition (dry matter, moisture, ash, organic matter, crude proteins, crude lipids, carbohydrates, chlorophyll a, chlorophyll b, carotenoids) and dietary fiber (CF, ADF, NDF, NDF, NDS, ADL) were evaluated in this study. The obtained results indicate some differences between the two years and these are influenced by the environmental conditions and physiological state of macroalgae. Although present on the Romanian coast, Gongolaria barbata has not been intensively studied in terms of its valorization potential, but it has recently attracted attention due to its biochemical properties that lead to some possibilities of use for economic purposes. The existence of valuable biochemical compounds in the composition of this brown macroalga qualifies it in the marine resources category of interest with biotechnological applications.
Daniela Roşioru (Thu,) studied this question.