Natural Product Investigation in Lichens: Extraction and HPLC Analysis of Secondary Compounds in Mycobiont Cultures.

This study focuses on natural product investigation in lichens: extraction and hplc analysis of secondary compounds in mycobiont cultures.. The research employs high-performance liquid chromatography (HPLC) techniques to address analytical challenges in the chemical field. Chromatography techniques facilitate separation, purification, and identification of secondary compounds (natural products) in lichens and their mycobiont cultures. In particular, high-performance liquid chromatography (HPLC) plays a vital role in the identification of lichen substances because of its high sensitivity, speed, and reliability with the minimal sample. Therefore, we describe the... Research Background and Significance Lichens are symbiotic organisms composed primarily of fungi (mycobionts) and photosynthetic partners (photobionts) that produce a diverse array of secondary metabolites with significant ecological and pharmacological importance. These secondary compounds, often unique to lichens, include depsides, depsidones, usnic acid, and other phenolic substances that exhibit antimicrobial, antioxidant, and anti-inflammatory properties. Investigating these natural products requires sensitive, reliable, and efficient analytical techniques capable of separating and identifying complex mixtures in relatively small sample volumes. High-performance liquid chromatography (HPLC) has become indispensable in natural product research due to its high resolution, reproducibility, and adaptability to diverse compound classes. This study by Srinivasan et al. targets the extraction and HPLC analysis of secondary metabolites specifically from mycobiont cultures, thereby providing insights into the chemical profile of the fungal component of lichens independent of the photobiont. The research not only c