Abstract
Abstract Species in the Solidago genus are used worldwide due to the therapeutic activities of their flavonoids and terpenoids. Its anti-inflammatory, antirheumatic, analgesic, diuretic, aquaretic, wound-healing properties as well as its ability to relieve burn and insect bites allow use in a variety of situations. This study was carried out to determine the metabolic profile of Solidago canadensis inflorescences (SCAI) to identify the species commercialized in Rio de Janeiro, RJ, Brazil, and evaluate the medicinal potential compared to S. chilensis and SCAI, which is used in North America and Europe. The UFLC-PDA-ESI-TOF revealed the metabolic profile of SCAI, finding the pseudo-molecular ions and characteristic fragments, mainly flavonols (10) such as quercetin, kaempferol, isorhamnetin, and its glycosides, as well as chlorogenic acid (CA). Eleven substances were identified, confirming the compatibility of the metabolic profile presented in varieties canadensis and scabra of european S. canadensis. The both contain the same flavonoid aglycones, and their glycosides are important chemical and biological markers for extracts and products based on species of the genus Solidago. UFLC-PDA-ESI-TOF characterized the extracts, which can help with quality control of raw plant materials and commercialized phytotherapeutics as well as for development of new products and phytomedicines.
Highlights
The ethnopharmacological use of species of the Solidago genus has long been used throughout the world and is related to the therapeutic activities of its flavonoids and terpenoids
This work was conducted to determine the metabolic profile of S. canadensis inflorescences (SCAI) compared to the officinal Brazilian species S. chilensis (SCMI) in order to the evaluate their medicinal potential compared to the S. canadensis used in North America and Europe and S. chilensis used in Brazil
Plant material and extraction Solidago canadensis inflorescences were purchased in June 2018 at CADEG (Rio de Janeiro Municipal Market) with the popular description: Tango and the scientific description presumed by the seller as Solidago canadensis
Summary
The ethnopharmacological use of species of the Solidago genus has long been used throughout the world and is related to the therapeutic activities of its flavonoids and terpenoids. Solidago species are widely used in Europe to treat urinary tract inflammations, preventing formation or facilitating elimination of kidney stones (Robbers & Tyler 2000; Apáti et al 2002; Gastaldi et al 2018). This species naturally occurs throughout the world: Solidago canadensis in North America; Solidago virgaurea in Europe; Solidago gigantea in Asia; and Solidago chilensis in South America (Robbers & Tyler 2000; Sutovská et al 2013). This work was conducted to determine the metabolic profile of S. canadensis inflorescences (SCAI) compared to the officinal Brazilian species S. chilensis (SCMI) in order to the evaluate their medicinal potential compared to the S. canadensis used in North America and Europe and S. chilensis used in Brazil
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