Rindera graeca

Rindera graeca · Accepted scientific name

Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆

Rindera graeca is a botanical species of significant interest due to the diverse bioactive compounds found within its roots. The plant contains valuable chemicals such as rosmarinic acid, echinatine, echinatine N-oxide, and naphthoquinones, which provide potent antioxidant activities. These constituents enable the plant to respond effectively to environmental pressures, including cold stress, drought, and the presence of free radicals. Furthermore, its chemical profile demonstrates potential efficacy against Gram-positive bacteria. Recent research has focused on optimizing its utility through various preparations, including hairy roots and biomass immobilized on macroporous polyurethane foam, monolithic PP-reinforced MTMS aerogel, or polypropylene fibers.

Quick facts
Synonyms
Cynoglossum Graecum · Mattia Bracteata · 3 more
Common names
Not available
Family
Boraginaceae
Distribution
Africa
Plant Parts
Root

Classification

Synonyms

Rindera graeca is a botanical species known to be associated with several different taxonomic designations. Scientific literature identifies various synonyms for this plant, including the names Cynoglossum graecum and Mattia bracteata. It is also frequently referred to in historical texts as Mattia graeca or Mattia schmidtii. Furthermore, the specific variety Rindera graeca var. bracteata is recognized as a synonym within its classification. Understanding these overlapping names is essential for accurate identification in botanical studies.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Rindera graeca is a unique biological entity that belongs to the kingdom Plantae. Within this vast kingdom, the species is classified under the class Equisetopsida. It is further organized into the order Boraginales, showcasing its specific evolutionary lineage. The plant is a member of the family Boraginaceae, a group known for its distinct botanical characteristics. Ultimately, this species is defined by its placement within the specific genus Rindera.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Boraginales
Family Boraginaceae
Genus Rindera

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Rindera graeca is a distinctive plant species primarily found within the diverse landscapes of Europe. Its natural range extends across Southeastern Europe, where it thrives in specific ecological niches. Greece serves as a central hub for its distribution, hosting many of its most prominent populations. By studying its presence in these regions, botanists can better understand its unique environmental requirements. This widespread yet localized occurrence highlights the plant's importance to the Mediterranean flora.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Biological Activities

Rindera graeca is an endemic Greek plant from the Boraginaceae family that has recently undergone its first detailed phytochemical examination. Researchers identified nine distinct phenolic secondary metabolites within its aerial parts, including several caffeic acid derivatives and specific flavonol glucosides. Notably, the study discovered the unusual triglycoside quercetin-3-rutinoside-7-rhamnoside, marking its first identification within the Rindera genus. Beyond its complex chemical makeup, the plant's methanol extract demonstrated a high total phenolic and flavonoid content. These findings, supported by free radical inhibition assays, confirm that Rindera graeca possesses a potent antioxidant profile.

Compounds

Rindera graeca is an endemic Greek plant species that possesses a rich and complex profile of secondary metabolites. Comprehensive phytochemical analyses have revealed that this plant contains significant amounts of rosmarinic acid and caffeic acid derivatives. Furthermore, the species is characterized by the presence of the flavonoid rutin and the unique triglycoside quercetin 3-rutinoside-7-rhamnoside. Research into its hairy root cultures also demonstrates that the plant is a producer of naphthoquinones. These diverse bioactive compounds highlight the significant pharmaceutical potential of this little-studied member of the Boraginaceae family.

Conditions

Rindera graeca demonstrates significant biological versatility by producing secondary metabolites to treat cold stress and drought. The plant's extracts, particularly those containing rinderol, exhibit strong antimicrobial activity against Gram-positive bacteria. Furthermore, the species shows potent anticancer potential through its ability to treat HeLa cervical cancer cells. Finally, the production of these bioactive compounds is enhanced when the plant's biomass is immobilized on macroporous polyurethane foam (PUF).

Preparations

Rindera graeca is prepared as hairy roots to investigate the isolation of bioactive metabolites like rinderol through in vitro culture. The plant biomass is also prepared as biomass immobilized on macroporous polyurethane foam (PUF) to study its effects on naphthoquinone productivity. Furthermore, the biomass is prepared as biomass immobilized on monolithic PP-reinforced MTMS aerogel, which significantly promotes the proliferation of the hairy roots. Other preparation methods include using the biomass immobilized on polypropylene (PP) fibers as a control system. Finally, the plant is prepared as biomass with disintegrated MTMS aerogel to examine the applicability of aerogel-supported culture systems.

Parts used

Rindera graeca is a rare endemic plant that possesses a specialized root system which can be utilized for the production of valuable bioactive compounds. Research indicates that both anatomical and hairy root cultures of this species serve as significant sources for secondary metabolites like lithospermic B acid and various phenolic derivatives. Specifically, in vitro root cultures have been successfully employed to isolate rinderol, a unique furanonaphthoquinone with potent anticancer and antibacterial properties. To enhance the yield of these compounds, scientists have implemented advanced techniques such as immobilizing the roots on polyurethane foam rafts. These specialized root-based cultivation methods provide a sustainable and efficient way to harness the medicinal potential of the plant.