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All Journal Farmaka Indonesian Journal of Pharmaceutical Science and Technology Jurnal Kimia Riset Jurnal Agrotek UMMat Jurnal Ilmiah Farmako Bahari Sciences of Pharmacy Journal of Public Health Concerns Jurnal Pengabdian Masyarakat (Jupemas) Medical Sains : Jurnal Ilmiah Kefarmasian Jurnal Farmasi Galenika
Budiana, Wempi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health

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Aktivitas antioksidan ekstrak daun katuk (Breynia androgyna L.) dengan metode DPPH serta penetapan kadar fenolat dan flavonoid Budiana, Wempi; Nuryana, Ela Fitri; Suhardiman, Aris; Kusriani, Herni
Jurnal Agrotek Ummat Vol 9, No 4 (2022): October
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v9i4.10888

Abstract

Concerns about the side effects of synthetic antioxidants consumption have intrigued many researchers to find potential natural antioxidant resources. Most natural antioxidants can be found in plants in the form of phenolic compounds, especially simple phenolics and flavonoids. The aim of this research is to measure antioxidant activity, total phenol and total flavonoid content in katuk leaf extract (Breynia androgyna (L.). The stages of this research are including extraction using several types of solvents, identification of metabolites using thin layer chromatography (TLC), antioxidant activity assay using DPPH, determination of total phenolic content using Folin-Ciocalteu reagent, and determination of total flavonoid content using Chang's method. The results showed that the IC50 values of n-hexane, ethyl acetate, and ethanol extract of katuk leaves from Bandung were 107.52; 67.61; and 39.04 g/mL respectively, whilst for katuk leaves from Sukabumi were 102.39; 67.26; and 27.07 g/mL. Moreover, total phenolic content of n-hexane, ethyl acetate, and ethanol extracts of katuk leaves from Bandung were 12.68; 14.40; and 15.99 mg GAE/g sample respectively, meanwhile for katuk leaves from Sukabumi were 13.14; 14.10; and 16.06 mg GAE/g sample. Furthermore, total flavonoid content for n-hexane, ethyl acetate, and ethanol extract of katuk leaves from Bandung was 6.23; 8.65; and 10.73 mg QE/g sample respectively, while for katuk leaves from Sukabumi it was 6.20; 8.55; and 10.81 mg QE/g sample. In conclusion, the ethanol extract showed the highest antioxidant activity with very strong intensity. Furthermore, simplicia from Sukabumi had higher antioxidant activity than simplicia from Bandung.
Development and Evaluation of Microcapsules Containing Combined Extracts of Bay, Cherry, and Green Betel Leaves as Natural Antioxidants Pratama, Reza; Budiana, Wempi; Zaelani, Diki; Asnawi, Aiyi
Sciences of Pharmacy Volume 4 Issue 4
Publisher : ETFLIN Publishing House

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58920/sciphar0404493

Abstract

Bay leaf (Syzygium polyanthum), cherry leaf (Muntingia calabura), and green betel leaf (Piper betle) contain phenolic and flavonoid compounds with antioxidant potential, but their utilization is limited by physicochemical instability. This study aimed to develop microcapsules containing a combined extract of these three leaves and to evaluate their physicochemical properties and in vitro antioxidant activity as an initial formulation feasibility study. Each extract was prepared by maceration using 96% ethanol, yielding 11.42–15.86%, and combined in a 1:1:1 (w/w/w) ratio prior to microencapsulation. Microcapsules were produced using a fluidized bed dryer with lactose as the core material and polyvinyl alcohol (PVA) as the coating polymer. Physicochemical characterization included moisture content, flow rate, angle of repose, compressibility index, dissolution time, particle size, and surface morphology. Antioxidant activity was assessed using DPPH and CUPRAC assays, with IC₅₀ values calculated from triplicate measurements. The coating process increased mean particle size from 636.2 µm to 728.0 µm and prolonged dissolution time from 2.14 to 3.55 minutes, indicating coating layer formation. Among the individual extracts, cherry leaf extract showed the strongest antioxidant activity. The microcapsules exhibited antioxidant activity within the same order of magnitude as the combined extract under initial, non-stressed testing conditions. These results demonstrate the feasibility of formulating combined plant extracts into microcapsules with acceptable physical properties, while further stability and comparative studies are required to support antioxidant preservation and potential applications.
Co-Authors Ahmad, Afifah Isybillah Aiyi Asnawi Al-Akbar, Ayatullah Malik Amelia, Ferda Andriansyah, Ivan Anggraeni, Vina Juliana Cahyani, Dhiana Eka Dewi Kurnia Diana Ulfah dirgahayu, inggrid Fajarwati, Kania Hanifah, Nidaa Husein, Herlina Ida Lisni Istiqomah, Aulia Nurfazri Jamil, Maria Ulfah Jungjunan, Repita Anis Mardiana, Neng Dian Maulana Isman Naki Mulya, Rheini Dwi Nuryana, Ela Fitri Pratama, Reza Rahayu, Sri Mulyati Rinaldi, Muhammad Dodit Roni, Asep Rulazi, Bagus Akbar Septiani, Yuni Sodik, Jajang Japar Suhardiman, Aris Sutrisno, Entris Taufik Muhammad Fakih Ulfah, Raden Roro Maryana Wahyudi, Ade Wahyudin wilis, hawa Yunita, Dilla Zaelani, Diki Zakiyah, Farah