COMPARATIVE STUDY OF YIELDS AND TOTAL PHENOLIC AND FLAVONOID CONTENTS OF EXTRACTS OF DIFFERENT EXTRACTION METHODS OF CLITORIA TERNATEA (FABACEAE)

SUDIPTA CHAKRABORTY; ARNA PAL; N. N. BALA

doi:10.22159/ijcpr.2022v14i6.2045

Authors

SUDIPTA CHAKRABORTY BCDA College of Pharmacy and Technology, Jessore Road (S), Hridaypur, Kolkata, West Bengal, India
ARNA PAL BCDA College of Pharmacy and Technology, Jessore Road (S), Hridaypur, Kolkata, West Bengal, India
N. N. BALA BCDA College of Pharmacy and Technology, Jessore Road (S), Hridaypur, Kolkata, West Bengal, India

DOI:

https://doi.org/10.22159/ijcpr.2022v14i6.2045

Keywords:

Clitoria ternatea, MAE, Total phenolic content, Total flavonoid content

Abstract

Objective: The present study aims at comparison of extraction yields, total phenolic and flavonoid contents of methanolic extracts from various methods of extraction of leaves of Clitoria ternatea (Fabaceae).

Methods: Dried leaves were extracted by Maceration, Soxhlation and Microwave Assisted Extraction (MAE) methods and the percentage yields were calculated. Further total phenolic and flavonoid contents were determined for the extracts obtained as above. Each of the experiments were performed in triplicate.

Results: The methanolic extract of MAE was found to show the highest yield (12.22 % w/w) compared to the other methods performed. Total phenolic and flavonoid contents were also determined in the highest amount in MAE (248.29±0.29 mg GAE/gm and 191.64±1.45 mg QE/gm) than soxhlation and maceration.

Conclusion: Microwave assisted extraction method possessed highest extraction yield and total phenolic and total flavonoid contents than the other two extraction methods which makes it economical and effective not only for its increased yield but also for better quality of extract, consuming less time and solvent. Further studies on this may be beneficial to establish this method for regular extraction and isolation of phytoconstituents.

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