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Journal : Journal of Applied Agricultural Science and Technology

Investigation of the Effect of Heating Duration in Gambier (Uncaria gambir Roxb.) Processing on Its Phytochemical Composition and the Resulting Characteristics of a Gambier-based Acne Balm Product Tio, Rilvi Muhammad; Rosyadah, Najla; Novizar, Novizar; Rini, Rini; Anggraini, Tuty; Ahmed, Umar; Refdi, Cesar Welya; Syukri, Daimon
Journal of Applied Agricultural Science and Technology Vol. 9 No. 3 (2025): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jaast.v9i3.443

Abstract

Gambier (Uncaria gambir Roxb.) contains potent bioactive compounds with strong natural antimicrobial properties, making it a promising ingredient for acne treatment. However, its application in topical formulations remains limited due to a lack of understanding regarding the impact of processing conditions, particularly heating, on its functional efficacy. This study investigated the effect of heating duration on the characteristics of an acne treatment balm formulated with black cube gambier. Experiments using a completely randomized design (CRD) were carried out for 0, 30, 60, 90, and 120 minutes of heating durations to evaluate the balm's physical, chemical, and microbial properties. The results demonstrate that heating duration significantly influenced key parameters, including homogeneity, spreadability, melting point, irritation potential, texture, color, pH, total phenol content, and antibacterial activity (p < 0.05). The most optimal results were obtained at 120 minutes, yielding a balm with superior homogeneity, spreadability (4.47 cm), melting point (50°C), pH (7.44), total phenol content (54.28%), and diameter of the inhibition zone (16.35 mm). FTIR analysis confirmed an increase in phenolic compound stability, indicating enhanced antibacterial potential. These findings suggest that extended heating duration improves the stability and performance of gambier-based formulations. The optimized acne balm formulation highlights the potential of locally sourced gambier as a natural, eco-friendly acne treatment. Further research is recommended to evaluate product shelf-life, consumer acceptability, and industrial scalability.
Characterization of the Chemical Components of Various Onion Species in West Sumatra Miati, Fenita; Azima, Fauzan; Syukri, Daimon
Journal of Applied Agricultural Science and Technology Vol. 9 No. 3 (2025): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jaast.v9i3.422

Abstract

Various types of onions have long been utilized as both culinary ingredients and traditional medications, yet comprehensive comparative data on their chemical composition and antioxidant potential in Indonesia are limited. This study provides the first integrated analysis of six onion species cultivated in West Sumatra, namely, shallot (A. cepa var. ascalonicum), garlic (A. sativum), common onion (A. cepa L.), Dayak onion (Eleutherine palmifolia), chive (A. tuberosum), and leek (A. fistulosum L.). Physicochemical properties were determined through proximate analysis, antioxidant activity was assessed using the DPPH assay and expressed as IC₅₀ values, and lipid-based phytochemical profiles were obtained via Bligh and Dryer extraction, followed by GC–MS. Data were processed and visualized in RStudio. The results indicate that chive exhibited the highest moisture (93.57%) and fat (4.15%) contents, whereas Dayak onion contained the highest amounts of ash (6.29%) and protein (8.74%). Dayak onion exhibited strong antioxidant activity (84.85 ppm), whereas common onion, shallot, and leek demonstrated weak antioxidant activity. Cis-vaccenic acid was the dominant compound in shallot (37.59%) and leek (31.19%), and D-limonene was the dominant compound in Dayak onion (22.39%) and chive (21.16%). The study findings highlight that the Dayak onion is a promising indigenous source of natural antioxidant for functional food and herbal product development, while providing novel baseline phytochemical data for advancing onion bioactivity and biodiversity research.
Co-Authors Adhitya Jessica Adila Adisti Adlis Santoni Admeiva Fitri, Aulia Afriliana, Asmak Ahmed, Umar Aidila Fitria, Eddwina Aisman Aisman Aisman Alfi Asben Amaliyah Tarumiyo, Aurelia Annisa Fauziah Annisa Fauziah, Annisa Anwar Kasim Ardinis Arbain Arisvan Chamel Aulia Azhar Aurelia Amaliyah Tarumiyo Aurelia Amaliyah Tarumiyo Awalina, Rahmi Azzahra, Yasmin Bahar, Rini Bahari, Asniati Busra Al-Hafit Cesar Wellya Refdi Cesar Welya Refdi Chairul Cherie Dinah, Cherie Darwir, Djaswir Darwir, Djaswir Deden Dermawan Deden Dermawan Septina Dendi Adi Saputra Devi Purnama Sari Diana Sylvi Diana Sylvi Diana Sylvi Dina, Mivtahul Dini Hari, Purnama Dita Fitriani Djaswir Darwis Efrina, Efrina Emil Salim Emil, Salim Eva Yuniritha, Eva Fachrur Rozi Fachrur Rozi Fadri, Rince Alfia Fauzan Azima Felga Zulfia Radiana Felga Zulfia Rasdiana Felga Zulfia Rasiana Feri Arlius Firda Az zahra Firdaus Firdaus Fitriani, Dita Giovani, Shofya Halwa, Haniyatul Hamdika, W Haniyatul Halwa Hariry, Amelia Hasbullah Hasbullah Hasbullah Hasbullah Helmizar Heni Pujiastuti Humaira, Bunga Permata Huswatun Hasanah Indra Junaidi Zakaria Irfan Suliansyah Ismed Ismed Ismed Ismed Ito, Nobutaka Jaswandi Jaswandi Jessica, Adhitya Joni Kusnadi Khandra Fahmy Kurnia Harlina Dewi Kurnia Harlina Dewi Laimnimitr, Napassawan LINDAWATI Lucia Saraswati Lucia Saraswati Maghfira, Alya Mahfuzatul Khairani Malrianti, Yefsi Maria Liko K Tapun Meuthia Fiana, Risa Miati, Fenita Mislaini Mislaini Mivtahul Dina Muhammad Arwani Muhammad Makky NADHIFAH, Naura Natasya, Diah Ayu Nazir, N Netty Sri Indeswari Nguyen Ngoc Anh Thu Nguyen Ngoc Thanh Nguyen Nika Rahma Yanti Nika Rahma, Yanti Novelina Novelina Novizar Nazir Novizar Novizar Novizar, Novizar Nurmi, Fatiyah Aghni Yati Olivia, Adinda Padilah, Rahmi Pirma, Dio Sandhika Puja Nadia Sukma Purnama Dini Hari Putra, Arif Rizkika Putri Wulandari Zainal Putri, Annisyia Zarina Rahma Yanti, Nika Rahmayani Rahmi Holinesti Rahmi, Rahmi Holinesti Reni Koja Ridwan, Andhini Aurellyta Rina Yenrina RINI Rini B Rini Bahar Rini Rini Rini Rini Rini Rini Rini Rini Rini Rini RINI RINI Rini Rini Ririn Fatma Nanda Risa Meuthia Fiana Rivan Aprialdho Rizkyanto, Ridwan Robbani, Syifa Rosyada, Inayah Rosyadah, Najla Rozi, F Rudi Alfiansyah Rudi Alfiansyah Rusdi, Faza Yazira Sahadi Didi Ismanto Sakinah, Restu Salim, Emil Salisma, Marlis Santy Ayu Gultom, Eryka Saputri, Hendryanti Gita Sari, HP Sayuti, Kesuma Sepnita, Widia Sharafa, Salwa Ash Siska Fitri Ramadani Sunardi, Riyana Sylvi, Diana Tapun, Maria Liko K Tifani Puari, Aninda Tio, Rilvi Muhammad Tuty Anggraini Usman, Robby Valeni, Rhenia Wellyalina Wellyalina Wellyalina, Wellyalina Welya Refdi, Cesar Wibisono, Iin Hartati Widia Sepnita Winowatan , A Yasmin Azzahra Yasmin Azzahra Yeffi Yeffi Masnarivan Yola Andriani Yolanda, Milda Yusniwati Yusniwati Yusniwati Zakia, Dina Afifah