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All Journal Jurnal Inovasi Teknik Kimia Communication in Food Science and Technology
Safitra, Edwin Rizki
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry

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Analysis of Vitamin A Content and Antioxidant Test in Super and Bulk Olein Saputri, Desi Riana; Listyadevi, Yuniar Luthfia; Putra, Muhammad Alparidi Pamungkas; Adiwibowo, Muhammad Triyogo; Sanjaya, Andri; Damayanti, Damayanti; Auriyani, Wika Atro; Fahni, Yunita; Yusupandi, Fauzi; Yuniarti, Reni; Safitra, Edwin Rizki
Communication in Food Science and Technology Vol. 3 No. 2 (2024): Communication in Food Science and Technology
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Institut Teknologi Sumatera

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/cfst.v3i2.1980

Abstract

Cooking oil is the essential food for bodies. Cooking oil should be enriched with vitamin A because this substance plays a critical role in maintaining health. Cooking oil contains antioxidant compounds, which inhibit or slow down oxidation reactions. This study aimed to determine the amount of vitamin A in super olein and bulk olein before fortification and the amount of antioxidant content in super olein and bulk olein before fortification. The amount of vitamin A content was obtained using the High-Performance Liquid Chromatography (HPLC) method of <0.005 IU/gram, while the antioxidant test results were carried out by the 2,2-Diphenyl-1-picrylhydrazyl (DPPH) method using UltraViolet-Visible Spectrophotometry (UV-Vis). The resulting antioxidant activity has an inhibition value of 23% and 10% in bulk and super olein, respectively. Cooking oil is the essential food for bodies. Cooking oil should be enriched with vitamin A because this substance plays a critical role in maintaining health. Cooking oil contains antioxidant compounds, which inhibit or slow down oxidation reactions. This study aimed to determine the amount of vitamin A in super olein and bulk olein before fortification and the amount of antioxidant content in super olein and bulk olein before fortification. The amount of vitamin A content was obtained using the High-Performance Liquid Chromatography (HPLC) method of <0.005 IU/gram, while the antioxidant test results were carried out by the 2,2-Diphenyl-1-picrylhydrazyl (DPPH) method using UltraViolet-Visible Spectrophotometry (UV-Vis). The resulting antioxidant activity has an inhibition value of 23% and 10% in bulk and super olein, respectively.
Uji Efektivitas Zeolit Alam Lampung Sebagai Agen Antibakteri Masker Wajah Terhadap Propionibacterium acnes Herlina, Idra; Siregar, Shekinah Glory Aurellia; Putra, Roja Riliyanda; Ismail, Anna Azzahra; Purba, Tiarmauli Natalia; Ramadhani, Ashyfa; Wulanda, Aditya Ayu; Mariyam; Saputra, Muhammad Yogi; Safitra, Edwin Rizki
Jurnal Inovasi Teknik Kimia Vol. 11 No. 2 (2026): APRIL | INTEKA - Jurnal Inovasi Teknik Kimia
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/inteka.v11i2.15080

Abstract

Acne vulgaris is a common skin disorder caused by clogged pores and infection by Propionibacterium acnes. The use of synthetic chemicals in skincare products often leads to side effects, highlighting the need for safer and eco-friendly natural alternatives. Natural zeolite, particularly Lampung Natural Zeolite (ZAL), has potential as an antibacterial agent due to its porous structure and adsorption capacity. This study evaluates the effectiveness of ZAL as an active ingredient in clay mask formulations against P. acnes. ZAL was activated and purified, then formulated into masks with varying concentrations (2.5 g, 5 g, and 7.5 g). Characterization was conducted using IR, XRD, and SEM, while antibacterial activity was tested using the agar diffusion method. Activation improved crystallinity and increased silanol (Si–OH) groups, enhancing antibacterial performance. The 5 g zeolite formulation showed the largest inhibition zone, indicating optimal effectiveness. Overall, ZAL demonstrates strong potential as a natural antibacterial agent for facial mask products.
Co-Authors Andri Sanjaya Auriyani, Wika Atro Damayanti Damayanti Fahni, Yunita Herlina, Idra Ismail, Anna Azzahra Listyadevi, Yuniar Luthfia Mariyam Muhammad Triyogo Adiwibowo Muhammad Yogi Saputra Purba, Tiarmauli Natalia Putra, Muhammad Alparidi Pamungkas Putra, Roja Riliyanda Ramadhani, Ashyfa Reni Yuniarti Saputri, Desi Riana Siregar, Shekinah Glory Aurellia Wulanda, Aditya Ayu Yusupandi, Fauzi