Abstract
Coriander foliage is a distinctive spice employed on a daily basis in curry and other Indian traditional food preparations mainly for the unique flavour attributes and health benefits. Radical scavenging activity has been demonstrated previously for coriander foliage. However, specific molecules responsible were not identified. A new molecule was isolated via chromatographic technique, and its structure was established by employing multinuclei and multidimensional NMR and HRMS techniques. The identified molecule Heneicos-1-ene was also screened for radical scavenging activity and antimicrobial activity, wherein it displayed radical scavenging activity of 89.6 ± 0.62% at 200 ppm, and also exhibited substantial antimicrobial activity against E. coli and Salmonella typhi.
Highlights
Coriandrum sativum L. belongs to the family Apiaceae
Fresh coriander (Coriandrum sativum L.) foliage of Microcarpum DC (M.DC) variety was obtained from the local producer (Mysuru, Karnataka, India) on the day of the experiment
Washed foliages (1.5 Kg) were dried for 3.5 hours using low-temperature low humidity (LTLH) dryer maintained at 52.6 ± 2.0 °C air temperature and 28.0 ± 3.0% relative humidity
Summary
Coriandrum sativum L. belongs to the family Apiaceae. It exists in two categories; small-fruited C. sativum L. var. microcarpum DC and large-fruited C. sativum L. var. vulgare alef[1]. Isolation of the molecule was carried out by thin layer chromatography (TLC) from the extract prepared from dried coriander foliage using 70% ethanol as solvent. The free radical scavenging activity of isolated Heneicos-1-ene from coriander foliage was measured by the 2, 2-diphenyl-1-picrylhydrazyl (DPPH) method[4].
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