Analysis Of Tanin and Alkaloid Levels in Bavoa (Cleome gynandra) Leaves

Authors

  • Siti Nuryanti Program Studi Pendidikan Kimia, FKIP, Universitas Tadulako, Indonesia
  • Minarni Rama Jura Program Studi Pendidikan Kimia, FKIP, Universitas Tadulako, Indonesia
  • Supriadi Supriadi Program Studi Pendidikan Kimia, FKIP, Universitas Tadulako, Indonesia
  • Hasrina Hasrina Program Studi Pendidikan Kimia, FKIP, Universitas Tadulako, Indonesia

DOI:

https://doi.org/10.22487/me.v20i1.2090

Keywords:

Tannins, Alkaloids, Bavoa Leaves (Cleome gynandra), UV-Vis Spectrophotometry

Abstract

Bavoa (Cleome gynandra) is a weed that is commonly found in rice fields, on roadsides, in open grasslands and grows in most tropical countries. Besides being used as a vegetable, this plant is also useful as a medicine because it contains chemical compounds such as tannins and alkaloids. This study aims to analyze the levels of tannins and alkaloids contained in bavoa leaves by using the UV-Vis Spectrophotometry method. Bavoa leaf powder was extracted by maceration method using 96% ethanol solvent, then the filtrate was concentrated using a rotary evaporator. Identification of tannins inthe extract using FeCl3 solution and alkaloids using Mayer and Dragendrof reagents. To test the tannin content analysis, added Folin denis reagent and 20% Na2CO3 solution and then analyzed using UV-Vis spectrophotometry with a wavelength of 765 nm for analysis test Alkaloid content was added with phosphate buffer solution, bromocresol green (BCG) solution, put into a separating funnel, added chloroform, transferred to the lowest layer test tube, then analyzed using UV-Vis spectrophotometry with a wavelength of 273.5 nm. The results showed that the tannin content of bavoa leaf extract was 2.8%  For the average alkaloid content of 0.987%

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Published

2025-03-03

How to Cite

[1]
S. Nuryanti, M. R. Jura, S. Supriadi, and H. Hasrina, “Analysis Of Tanin and Alkaloid Levels in Bavoa (Cleome gynandra) Leaves”, ME, vol. 20, no. 1, pp. 12-20, Mar. 2025.

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