Obluchinskaya Ekaterina D, Pozharitskaya Olga N, Gorshenina Elena V, Zakharov Denis V, Flisyuk Elena V, Terninko Inna I, Generalova Yuliya E, Shikov Alexander N
Murmansk Marine Biological Institute of the Russian Academy of Sciences (MMBI RAS), 17 Vladimirskaya Str., 183038 Murmansk, Russia.
Zoological Institute RAS (ZIN RAS), 1 Universitetskaya Embankment, 199034 Saint-Petersburg, Russia.
Plants (Basel). 2023 Jun 19;12(12):2380. doi: 10.3390/plants12122380.
L. is the dominant canopy-forming macroalga in the rocky intertidal areas of the Arctic and Subarctic. In the present study, the impact of the geographic location of collected in the Baffin Sea (BfS), Norwegian Sea (NS), White Sea (WS), and Barents Sea (BS) on the variations in biochemical composition, antiradical properties, and health risk was evaluated. The accumulation of main carbohydrates (fucoidan, mannitol, and alginic acid) varied from 335 mg/g dry weight (DW) in NS to 445 mg/g DW in BS. The highest level of the sum of polyphenols and flavonoids was found in samples of from WS and was located in the following ranking order: BS < BfS < NS < WS. The 2,2-diphenyl-1-picrylhydrazyl radical scavenging activity of seaweed is correlated with its phenolic content. It is notable that in most Arctic samples, Cd, Cr, Pb, and Ni were not detected or their concentrations were below the limit of quantification. According to calculated targeted hazard quotient and hazard index values, all studied samples of Arctic are safe for daily consumption as they do not pose a carcinogenic risk to the health of adults or children. The results of this study support the rationale for using Arctic as a rich source of polysaccharides, polyphenols, and flavonoids with important antiradical activity. We believe that our data will help to effectively use the potential of and expand the use of this algae as a promising and safe raw material for the food and pharmaceutical industries.
L.是北极和亚北极岩石潮间带形成冠层的主要大型藻类。在本研究中，评估了在巴芬海（BfS）、挪威海（NS）、白海（WS）和巴伦支海（BS）采集的地理位置对生化组成、抗自由基特性和健康风险变化的影响。主要碳水化合物（岩藻聚糖、甘露醇和海藻酸）的积累量从挪威海的335毫克/克干重（DW）到巴伦支海的445毫克/克DW不等。多酚和黄酮类化合物总和的最高水平出现在白海的样本中，其排名顺序如下：巴伦支海 < 巴芬海 < 挪威海 < 白海。海藻的2,2-二苯基-1-苦基肼自由基清除活性与其酚类含量相关。值得注意的是，在大多数北极样本中，未检测到镉、铬、铅和镍，或者它们的浓度低于定量限。根据计算出的目标危害商和危害指数值，所有研究的北极样本每日食用都是安全的，因为它们不会对成年人或儿童的健康构成致癌风险。本研究结果支持将北极藻类作为具有重要抗自由基活性的多糖、多酚和黄酮类化合物的丰富来源的基本原理。我们相信，我们的数据将有助于有效利用藻类的潜力，并扩大这种藻类作为食品和制药行业有前景且安全的原材料的用途。
