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All Journal The Journal of Pure and Applied Chemistry Research BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) NURSING UPDATE JURNAL ILMIAH ILMU KEPERAWATAN
Devi Anggraini Putri
Sekolah Tinggi Ilmu Kesehatan Ngudia Husada Madura
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health

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Antioxidant activity of Momordica charantia extracts Devi Anggraini Putri; Sri Fatmawati
NURSING UPDATE : Jurnal Ilmiah Ilmu Keperawatan P-ISSN : 2085-5931 e-ISSN : 2623-2871 Vol 12 No 3 (2021): SEPTEMBER
Publisher : NHM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36089/nu.v12i3.488

Abstract

Momordica charantia is one of the herbaceous plants which widely distributed at tropical and subtropical regions. M. charantia, as known as pare, has been used as Indonesian traditional medicine for the treatment of bitter stomachic, laxative, and anthelmintic. This study aims to investigate the antioxidant activity of M. charantia leaves extracts (the n-hexane, dichloromethane, ethyl acetate, and methanol extracts) by using 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assay. The result showed that the ethyl acetate extract has the highest DPPH scavenging activity with IC50 value of 233.39 μg/mL. Therefore, this study concluded that ethyl acetate extract of M. charantia leaves is recommended as an antioxidant agent.
Secondary Metabolites of Nicotiana tabacum and Their Biological Activities: A Review Devi Anggraini Putri; Riyadatus Solihah; Rianur Oktavia; Dwi Aprilia Anggraini; Sri Fatmawati
The Journal of Pure and Applied Chemistry Research Vol 11, No 2 (2022): Edition May-August 2022
Publisher : Chemistry Department, The University of Brawijaya

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Abstract

Nicotiana tabacum (tobacco) is one of the most commercially agricultural crops in the world. Indonesia is one of the top ten tobacco producing countries in the world since 1990’s. Based on literature studies, tobacco has the main secondary metabolites such as cembranoids and flavonoids. They have fine biological activities as antiviral, antimicrobial, antioxidant, anti-HIV, anti-proliferative, anti-inflammatory, anti-parasitic, anti-termite, and cytotoxicity effects. Therefore, N. tabacum is potential for further investigation on natural products research. This review aims to provide scientific evidences related to structure activity relationship between secondary metabolites and biological activities of N. tabacum. 
THE EFFECT OF Cosmos caudatus LEAVES EXTRACT ON MORTALITY OF THE BLACK CUTWORM PESTS (Agrotis ipsilon) Rizka Efi Mawli; Devi Anggraini Putri
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol. 10 No. 1 (2023): August
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v10i1.9870

Abstract

Cosmos caudatus (Asteraceae) is one of Indonesia biodiversity which is usually used as a refugia plant on several crop fields. In Indonesia, this plant is widely consumed as salad and herbal medicine as well. The aimed of this study is to see the effect of C. caudatus leaves extract on mortality of Agrotis ipsilon known as the black cutworm pests. C. caudatus leaves were collected on Surabaya East Java, Indonesia. The leaves were extracted by using maceration technique with ethanol 96% for 3x24 hours. After that, this research was conducted by observing the effect of ethanol extract from C. caudatus leaves with a concentration of 20; 15; and 10% on each group of A. ipsilon. The mortality assessment was made by determining the quantity of the death cutworms on 24, 48, and 72 hours. The result showed that the extract significantly reduced growth of A. ipsilon with LC50 value of 13.29% at 72 hours. Therefore, C. caudatus leaves extract is recommended as a biopesticide agent.
Co-Authors Dwi Aprilia Anggraini Rianur Oktavia RIYADATUS SOLIHAH Rizka Efi Mawli Sri Fatmawati