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All Journal Jurnal Pendidikan Teknologi dan Kejuruan Jurnal Periodic Jurusan Kimia UNP Sainstek Jurnal Riset Kimia Edu Sains: Jurnal Pendidikan Sains dan Matematika JURNAL EKSAKTA PENDIDIKAN (JEP) JURNAL PENDIDIKAN TAMBUSAI Pelita Eksakta Chemistry Education Practice SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA CHEDS: Journal of Chemistry, Education, and Science Bhakti Nagori (Jurnal Pengabdian kepada Masyarakat) MASALIQ: Jurnal Pendidikan dan Sains Jurnal Kimia dan Rekayasa Jurnal Pendidikan IPA Indonesia Jurnal Pendidikan MIPA Proceeding of International Conference on Biology Education, Natural Science, and Technology
Minda Azhar
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Religion Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Journal : MASALIQ: Jurnal Pendidikan dan Sains

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Analisis Kadar Vitamin A pada Minyak Goreng Sawit dengan Metode HPLC (High Performance Liquid Chromatography) Asaumi, Suci; Azhar, Minda
MASALIQ Vol 5 No 5 (2025): SEPTEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i5.7108

Abstract

This study is motivated by the importance of vitamin A content in palm cooking oil as an effort to prevent vitamin A deficiency in the community. The objective is to measure the vitamin A content in palm cooking oil using the High Performance Liquid Chromatography (HPLC) method in accordance with SNI 7709-2019. Samples of palm cooking oil were obtained from a store on Jl. Sail, with the analytical procedure involving the preparation of standard vitamin A solutions in acetone and ethanol, the addition of pyrogallol acid as an antioxidant, saponification with 50% KOH, and the addition of glacial acetic acid to improve extraction efficiency. HPLC analysis was conducted using a mobile phase of methanol–aquabidest (860:140) and THF–ethanol (50:50) as the solvent. The chromatogram showed a vitamin A peak at a retention time of approximately 11.40 minutes. The calculated results indicated an average vitamin A content of 1,095.32 IU/g, far exceeding the minimum limit of 45 IU/g as required by the quality standard for palm cooking oil. The study concludes that the HPLC method with this procedure can accurately measure vitamin A content, and the tested palm cooking oil samples meet the vitamin A standard for public consumption.
Skrining Fitokimia Kelopak Bunga Rosella (Hibiscus sabdariffa L.) dalam Bentuk Bunga Kering dan Bubuk Halus Devi, Hafiza Tara; Azhar, Minda
MASALIQ Vol 5 No 6 (2025): NOVEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i6.7596

Abstract

Medicinal plants are vital sources of natural bioactive compounds with potential applications in pharmaceuticals, cosmetics, and functional foods. One such plant with high potential is Roselle (Hibiscus sabdariffa L.), known to contain various secondary metabolites such as flavonoids, alkaloids, saponins, and terpenoids. This study aims to compare the phytochemical profiles of Roselle calyces in two different physical forms—whole dried flowers and powdered form—and to assess the effect of physical treatment on the presence of secondary metabolites. The samples were dried, ground, and sieved to obtain a fine powder, followed by qualitative phytochemical screening using specific reagents: Culvenor-Fitzgerald for alkaloids, Shinoda and cyanidin tests for flavonoids, foam test for saponins, 1% FeCl₃ for tannins, and Liebermann–Burchard test for terpenoids and steroids. The results showed that both sample forms tested positive for alkaloids, flavonoids, saponins, and terpenoids, while tannins and steroids were not detected. These consistent findings suggest that proper drying and grinding processes do not significantly degrade the main active compounds in Roselle. The study concludes that the physical form of Roselle calyces (whole or powdered) does not qualitatively affect its phytochemical profile. These results provide a foundation for optimizing the use of Roselle’s secondary metabolites in phytopharmaceuticals or plant-based product applications.
Co-Authors Abdul Razak Abdul Razak Achie Keylla Ali Amran Alizar Ulianas Alizar Ulianus Ananda Putra Andromeda Anni Faridah Ardiansyah, Alexander Asaumi, Suci AYU WULANDARI Budhi Oktavia DESSY NATALIA Devi, Hafiza Tara Devita Efri Dewi, Suci Firma Dwi Finna Syolendra Dwi Putri, Dola Edi Nasra Egidia Mayendra Faizah Qurrata Aini Fajriah Azra Fatimah Jora Fauzana Gazali Febiola, Cyntiya Hanifah Festiyed, F Fitri Amelia Fitri Arsih Guspatni Guspatni Harnas, Dolla Mulyana Hary Sanjaya Ike Ramadhanty Daniel Indang Dewata Iryani Iryani Isriza Mahendra Jamsari Jamsari Khairani - Khairani - Laura Dwi Rha Hayu Ma’a, Yustini Masrid Pikoli Mawardi Anwar Melati Wahyuni Melta, Defrian Mentari, Berhias Meri Novia Nurman Miftahul Khair Minda Azhar Muhammad Farhan Mukhaiyar, Riki Munifa Mahdiah Munita, Azizah Nizar, Umar Kalmar Nofri Yuhelman Nofrianto Nofrianto Novriansyah, Edo Nur Hikmah Pernadi, Niza Lian Prarazuwa, Salsabila Prima Aswirna Putra, Ananda Putri, Nabila Kharisma Putri, Selvi Apriliana Rafiqa Khaira Rahmi Fauziah Rahmi Holinesti Rahmi, Fathaniah Raviqa Randa Sagita Regita Putri, Olivia Rendi Ananda Rifka Andani Rika Purnama Sari Roza, Media Sabrina, Joya Sagita, Randa Sherly Kasuma Warda Ningsih Sovia, Eka Sri Benti Etika Sumaryati Syukur Suryelita Suryelita, Suryelita Ulfa Autafia Umar Kalmar Nizar Vegi Kurnia Navida Verrira, Wilsa Restu Viona Maharani Vovien - Yerimadesi Yerimadesi Yerimadesi Yohandri Yohandri Bow Yustini Ma’a Zonalia Fitriza Zulhendra, Zulhendra