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GC-FID, Antioxidants Analysis and Antimicrobial, Anti-Inflammatory, Anti-Diabetic Activities of Tisanes Derived from Underutilized Lemon Grass Cymbopogon khasianus (Hack.)

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Proceedings of the National Academy of Sciences, India Section B: Biological Sciences Aims and scope Submit manuscript


Cymbopogon khasianus (Hack.) is widely distributed and an underutilized plants in tropical and subtropical regions. This study describes time-based aqueous extraction of tea from lemon grass plant. Extraction of tea from tea bags was performed in boiling water with infusion time from 1 to 5 min with fixed and varying number of dips. Compound identification by GC method, fluorescent spectroscopy and FT-IR-based identification of functional groups of active chemical components was studied. Anti-inflammatory and antibacterial studies were also performed. GC-FID revealed the presence of citral bioactive molecules. Phenolics, tannins and flavonoids were detected in the tea extract. Tea extract showed considerable DPPH scavenging activity. A in vitro antibacterial activity and anti-inflammatory activity of tea were observed. Kinetic analysis revealed that the tea extract inhibited the α-amylase competitively. The data provide the scientific support to the use of tea made from C. khasianus as a potent herbal source of bioactive compounds.

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ADS wants to thank DST, SEED Govt. of India for this research project under SC/ST hub category. ADS wants to acknowledge support from DST-FIST lab of the college.

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Correspondence to Arun Dev Sharma.

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Significance statement Cymbopogon citratus (lemon grass) is an underutilized herbal plant. Lomon grass tea pose antioxidant , anti-inflammatory and anti- microbial activities. Bioactive like rutin, gallic acid and citral were detected.

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Sharma, A.D., Agnish, S. & Kaur, I. GC-FID, Antioxidants Analysis and Antimicrobial, Anti-Inflammatory, Anti-Diabetic Activities of Tisanes Derived from Underutilized Lemon Grass Cymbopogon khasianus (Hack.). Proc. Natl. Acad. Sci., India, Sect. B Biol. Sci. 91, 971–983 (2021).

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