Fig. 2

Plant morphology, representative products, and clinical studies of sea buckthorn. A Plant morphology of Hippophae rhamnoides L. (Sea buckthorn). B Chemical structure of two most common omega-7 fatty acids in sea buckthorn, namely palmitoleic acid and vaccenic acid. C Representative products developed based on sea buckthorn from western countries. D Representative products developed based on sea buckthorn from eastern countries. E A summarize of clinical trials of Sea buckthorn. Data collected from PubMed (searching term of “Hippophae rhamnoides” or “sea buckthorn” plus filter of “Clinical trial”, language limited to English) and ClinicalTrials.com (searching term of “Hippophae rhamnoides” or “sea buckthorn”) as of 15 June 2021