Content of lipids, fatty acids, and fucoxanthin in branches of different ages of Cystoseira barbata (Stackhouse) C.Agardh (Phaeophyceae) - V. I. Rjabushko; A. N. Kamnev; E. V. Gureeva; A. V. Prazukin; M. V. Nekhoroshev (Algology, 2019)