Study of the Content of Phenolic, Flavonoid and Leiocarposide Compounds in Different Organs and Phenological Stages of Solidago virga-urea L.
2023
Parsafar, Sepideh | Eghlima, Ghasem | Mirjalili, Mohammad Hossein | Nejad Ebrahimi, Samad | Ghorbani Ghoozhdi, Hassan | Hadian, Javad
Solidago virga-urea L. is a valuable medicinal plant that has anti-inflammatory, antimicrobial, antispasmodic, diuretic and analgesic effects. In order to evaluate the phenolic and flavonoid compositions in different organs extract (rosette leaf, stem leaf and flower) and also in extracts obtained from different growth stages (before bloom, first bloom, full bloom and after bloom) of S. virga-urea L.'Phasa F type', two separate experiments were conducted in the form of a randomized complete block design with three replications. The experiment carried out in the Research Institute of Plants and Medicinal Raw Materials of Shahid Beheshti University of Tehran in 2019. Phytochemical properties including total phenol content, total flavonoids and leiocarposide content were measured by Folin–Ciocalteu, Aluminum Chloride method and high performance liquid chromatographic analysis, respectively. The results showed that among different organs, the highest amount of phenol (29.36 mg GAE.g-1 dry weight) was in flowers, flavonoids (8.63 mg RUT. g-1 dry weight) in rosette leaves, and leiocarposide (5.17 mg.g-1 dry weight) in stem leaves. Among the growth stages, the highest total phenol (28.84 mg GAE.g-1 dry weight) and total flavonoids (7.95 mg RUT. g-1 dry weight) were obtained in the full bloom stage, while the highest amount of leiocarposide (9.65 mg.g-1 dry matter) obtained before blooming. According to the results obtained from this study, the best organ and harvest time for having high amounts of total phenol, total flavonoids or leiocarposide can be chosen based on pharmaceutical and food industries requirements, in the climatic conditions of Tehran.
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