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Anna Safitri
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Research Center for Smart Molecule of Natural Genetics Resources (SMONAGENES) office: 2nd floor MIPA Building, Faculty of Mathematics and Natural Sciences, Universitas Brawijaya, Jl. Veteran Malang, East Java, Indonesia – 65145
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JSMARTech : Journal of Smart Bioprospecting and Technology
Published by Universitas Brawijaya
ISSN : 26860805     EISSN : 27147894     DOI : https://doi.org/10.21776/ub.jsmartech.2020.001.02.
Core Subject : Health, Science,
Biochemistry, Genetics & Molecular Biology Chemistry Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience
JSMARTech : Journal of Smart Bioprospecting and Technology (p-ISSN: 2686-0805, e-ISSN : 2714-7894) is an Open Access Scientific Journal published by Research Center of Smart Molecule and Natural Genetics Resources (SMONAGENES), Universitas Brawijaya, Malang, East Java, Indonesia, since 2019. It is a journal covering of bioprospecting, biochemical, biotechnology, bioinformatics, natural product, pharmaceuticals, biomedical, genetics engineering, nutrigenomic, and nanotechnology. The journal publishes a manuscript written in English for original research papers, short communications, and review articles. The paper published in this journal implies that the work described has not been, and will not be published elsewhere, except in abstract, as part of a lecture, review or academic thesis.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 81 Documents
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Phytochemical Screening and Antioxidant Activity Testing of Young and Old Bidara Fruit Using the 2,2-Diphenyl-1-picrylhydrazyl (DPPH) Method Pratiwi, Lidia Wahyu Pratiwi; Jayanti, Gatra Ervi Jayanti; Faisal, Faisal; Wulandari, Dian Novita Wulandari; Widyaningrum, Ike Widyaningrum
JSMARTech: Journal of Smart Bioprospecting and Technology Vol. 7 No. 1 (2026): Vol. 7 No. 1 (2026): JSMARTech Volume 7, No 1, 2026
Publisher : JSMARTech

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jsmartech.2026.007.02.08

Abstract

This study evaluated the phytochemical constituents and antioxidant activity of Ziziphus mauritiana fruit at young and old ripening stages. Ethanol extracts were subjected to qualitative phytochemical screening and antioxidant activity assessment using the DPPH assay. Both young and old fruit extracts tested positive for alkaloids but lacked detectable flavonoids, tannins, saponins, and triterpenoids. Antioxidant activity was weak in both extracts, with IC₅₀ values of 3882.44 ppm (young) and 4391.79 ppm (old). Statistical analysis showed no significant difference in antioxidant activity between ripening stages (p > 0.05). Young fruit displayed slightly higher inhibition at increasing concentrations. These results suggest that the ripening stage does not significantly affect antioxidant activity in Z. mauritiana fruit. Further research with alternative extraction methods and assays is recommended.

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