PRIYA N. C and P. SARAVANA KUMARI (2016) “IDENTIFICATION OF CLASSES OF COMPOUNDS AND ESTIMATION OF FLAVANOID AND PHENOL FROM SEEDS OF PIPER LONGUM AND PIPER NIGRUM”, International Journal of Pharma and Bio Sciences, 7(1), pp. 593–601. Available at: https://ijpbs.net/index.php/journal/article/view/4963 (Accessed: 23 July 2026).