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All Journal PENA SAINS Jurnal Kimia Riset Indonesia Chimica Acta Dinamisia: Jurnal Pengabdian Kepada Masyarakat Majalah Farmasetika KAIBON ABHINAYA : JURNAL PENGABDIAN MASYARAKAT GUYUB: Journal of Community Engagement Yumary: Jurnal Pengabdian kepada Masyarakat Prosiding Konferensi Nasional PKM-CSR Indonesian Journal of Fundamental Sciences IPTEK: Jurnal Hasil Pengabdian kepada Masyarakat Satera: Jurnal Sains dan Teknik Terapan JIPI (Jurnal IPA dan Pembelajaran IPA) Journal Of Chemical Process Engineering Science Get Journal
Mega Fia Lestari
Akademi Komunitas Industri Manufaktur Bantaeng
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RELATIONSHIP ANALYSIS OF SHRINKAGE LEVEL, MOISTURE CONTENT, AND DRYING RATE OF EUCHEUMA COTTONII SEAWEED IN VARIOUS DRYING TIME AND METHODS Lestari, Mega Fia; Aras, Neny Rasnyanti M
Indonesian Journal of Fundamental Sciences Vol 10, No 1 (2024)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/ijfs.v10i1.60737

Abstract

In this study, shrinkage level, moisture content, and drying rate of Eucheuma cottonii seaweed were compared using various drying times and methods. Both sun and wind drying were employed, with drying times ranging from 0 to 240; 480; 720; and 960 minutes for each method. In Pajukukang Subdistrict, Bantaeng Regency, Eucheuma cottonii seaweed was harvested and dried using a variety of drying methods. The findings indicated that the Pajukukang Subdistrict was extremely hot, with the greatest temperatures and relative humidity readings of 52.4 oC and 47% RH (sun drying) and 32.6 oC and 55% RH (wind drying). The seaweed also changed after drying, going from a fresh brown color to a deeper brown color with an extremely dry physical shape (sun drying) and dry with white spots all over its surface (wind drying). Additionally, when drying time increases, shrinkage level increases. On a wet and dry basis, however, the converse occurred, where the two types of moisture content dropped as the drying time increased. When the drying time increases for both drying processes, a phenomena known as a falling rate period happens for the relationship between the drying rate and the moisture content on a dry basis.
Circular Economy-based Food Technology: Enhancing Red Dragon Fruit Jam Quality according to SNI 3746-2008 Fia Lestari, Mega; Ismail, Nur Afia; Khaerunnisa, Munira; Nur Amri, Azhari; Nur Fuady, Muhammad Ikram; Utami, Hermin Hardyanti; Yusriadi, Yusriadi
Journal of Chemical Process Engineering Vol. 8 No. 2 (2023): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/jcpe.v8i2.882

Abstract

Circular economy-based food technology innovation plays important role in overcoming environmental and sustainability challenges. This study aims to improve the quality of red dragon fruit (Hylocereus polyrhizus) jam by adding its peel, in line with SNI 3746-2008. The study will also explore the application of circular economy principles in the jam production process. This research uses both quantitative and qualitative methods, including Total Plate Count tests, organoleptic tests (condition and hedonic), fibre tests, moisture content tests, and literature reviews. The research results show that the addition of red dragon fruit peel improves the quality of the jam, with a Total Plate Count that meets standards, making it safe for consumption at 3.6x10² Colony/g. Three parameters typically state the organoleptic acceptance level for condition tests as normal: colour (97%), odor (65%), and taste (74%). The hedonic test showed that the panelists liked the colour of the jam (7) and somewhat liked the odor and taste of the jam (6). The addition of red dragon fruit peel confirmed the positive fibre content. However, the panelists slightly disliked the jam's texture (4) due to its high moisture content (48.6%), indicating the need for improvement. From a circular economy perspective, this contributes to reducing biomass waste, utilising resources efficiently, increasing the added value of products, and providing a positive social and economic impact. This research's limitations include variations in raw material formulation that affect the final results, as well as the need for further studies to optimise moisture content and improve organoleptic test results.
Optimisation of Biodegradable Plastic from Cassava Peel Starch with Additional Materials of Sugarcane Bagasse Cellulose Rahim, Herlina; Masda, Raehana Ramadhani; Al Adawiyah, Syardah Ugra; Lestari, Mega Fia
Journal of Chemical Process Engineering Vol. 9 No. 3 (2024): Special Issue
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/jcpe.v9i3.1488

Abstract

The use of plastic in large quantities causes environmental pollution because it is not easily decomposed. One way to overcome this is to make bioplastics from natural materials that are easily decomposed such as cassava peel starch. However, the use of starch in making bioplastics still has low mechanical properties. Therefore, cellulose is added as an additive to improve the mechanical properties of bioplastics. This study investigated the potential of cassava peel starch modified with bagasse cellulose as a base material for bioplastics. The aim is to improve the mechanical performance and biodegradability of bioplastics to reduce the environmental impact of conventional plastics. The resulting bioplastics were evaluated based on water absorption, biodegradability, tensile strength, elongation, and elastic modulus tests. Variations in cellulose content showed a significant effect on the physical and mechanical properties of bioplastics. The addition of 18% cellulose provided the best water resistance, while 3% cellulose content resulted in the highest biodegradability. Optimal mechanical properties were achieved at 9% cellulose addition, with a tensile strength of 10.48 N/mm², elongation of 7.92%, and elastic modulus of 3.43 N/mm². However, these results are still below the standards for environmentally friendly plastics based on SNI 7188.7:2016 and SNI 7818:2014, which set higher parameters for water resistance, tensile strength, and elasticity. This bioplastic has the main advantage of being easily biodegradable, making it a potential alternative for certain applications.
MACHINE LEARNING MODELS FOR PREDICTING STRESS VALUE IN THE TENSILE STRENGTH OF BIOFILMS FROM STARCH AND HAIR WASTE Utami, Hermin Hardyanti; Fitrah, Muhammad Aqdar; Yusriadi, Yusriadi; Ardiansah, Ardiansah; Arminas, Arminas; Lestari, Mega Fia; Towolioe, Sherly
JURNAL PENA SAINS Vol 11, No 2 (2024): Jurnal Pena Sains
Publisher : Program Studi Pendidikan IPA, Fakultas Ilmu Pendidikan, Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jps.v11i2.26227

Abstract

Biofilms, structured communities of microorganisms, have emerged as a subject of significant interest across various industries due to their unique biodegradable and sustainable characteristics. Hair waste is an incredibly rich source of keratin, and this abundance makes it a promising candidate as a fundamental building block for the development of biodegradable plastics. This study focuses on sustainable biofilms derived from biodegradable materials, specifically a unique combination of starch and hair waste. Machine Learning models, implemented in RapidMiner, were utilized to predict the tensile strength of these biofilms, with the goal of enhancing quality control in their production. Neural Networks and Deep Learning methods were employed to compare their predictive capabilities, assessing both their strengths and limitations. Through rigorous data collection, feature identification, and detailed data analysis, critical factors influencing the quality of the biofilms were identified. The results revealed the remarkable predictive accuracy of the Neural Net model, particularly for Ratio 40, while the performance of the Deep Learning model varied across different ratios. The lower RMSE of the Neural Net model indicated a more precise alignment between the predicted and actual values, distinguishing it as the superior model. This research contributes to the advancement of sustainable biofilm development, offering eco-friendly solutions through the use of unconventional materials. Both models offer valuable predictive capabilities, and the choice between them may depend on the specific requirements and contexts of the application. In conclusion, the performance of the Neural Net and Deep Learning models in predicting stress in tensile strength varies across different ratios.
Enhancing Local Food Industry: Production of “Sehati” Marning Corn in Bantaeng Regency Lestari, Mega Fia; Syaiful, Syaiful; Irwan , Muhammad; Sitanggang, Boy Chandra; Hermansyah, Hermansyah; Odilia Valentine; Aras, Neny Rasnyanti M; Ratlalan, Roberth Marshall; Abidin, Zainal; Supu, Abd Rachman
Yumary: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 3 (2025): Maret
Publisher : Penerbit Goodwood

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/yumary.v5i3.3118

Abstract

Purpose: The local food processing business is essential to the Indonesian economy. Lumpangan Village in Bantaeng Regency, South Sulawesi, has great potential due to the Small and Medium Enterprises (SME) product "SEHATI," which manufactures Marning Corn. However, the need on sunshine for drying limits production, reducing output during the rainy season. To address this issue, the Akademi Komunitas Industri Manufaktur Bantaeng community service programme strives to improve corn product quality through the use of mechanical dryers and the education of workers on Good Manufacturing Practices (GMP). Methodology: This program's methodology comprises collaborating with village officials, observing SMEs, developing solutions, implementing the community service programme, and assessing the program's success. Results: Observations show that mechanical dryers are successful in resolving drying problems, and GMP education enhances product quality. Conclusions: The service program was successful in raising the marning corn production by UMKM "SEHATI" and establishing the program as a long-term initiative. In addition, the program received the full support of village officials by the successful in overcoming production constraints during the rainy season through the purchase of corn dryers and Good Manufacturing Practice (GMP) education. Limitations: Prior to deployment, the primary drawback was a reliance on dry weather conditions. Contributions: This programme makes a substantial contribution, with the expectation that its long-term success will help to create other SMEs in Lumpangan Village and increase the quality of Marning corn products through better drying technology and worker education.
Optimalisasi Produksi Jamur Tiram pada IKM Rumah Jamur Kecamatan Eremerasa Kabupaten Bantaeng Melalui Pendampingan Teknis Pembuatan Rak Baglog A’ban, Jamaluddin Gesrianto; Hidayat, Muh Farid; Thahir, Muhammad Taufiq; Rahmawati, Nur Asmi; Lestari, Mega Fia
IPTEK: Jurnal Hasil Pengabdian kepada Masyarakat Vol 4, No 3 (2025): IPTEK: Jurnal Hasil Pengabdian kepada Masyarakat
Publisher : IPTEK: Jurnal Hasil Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/iptek.v4i3.71863

Abstract

Usaha Mikro, Kecil, dan Menengah (UMKM) memiliki peran penting dalam pengembangan ekonomi regional. Di Kabupaten Bantaeng, Provinsi Sulawesi Selatan, IKM Rumah Jamur telah menjadi penggerak utama dalam produksi dan pemasaran jamur tiram sejak tahun 2018. Namun, keterbatasan rak baglog di ruang inkubasi dan produksi menghambat peningkatan produktivitasnya. Program Pengabdian kepada Masyarakat yang dilaksanakan oleh AK-Manufaktur Bantaeng bertujuan untuk mengoptimalkan produksi jamur tiram melalui pendampingan teknis pembuatan rak baglog. Rak dirancang menggunakan baja ringan tipe kanal C yang tahan lama dan antikarat, sehingga mampu meningkatkan efisiensi penggunaan ruang dan sirkulasi udara. Kegiatan ini melibatkan analisis kebutuhan, diskusi desain, persiapan material, konstruksi rak, hingga serah terima kepada IKM Rumah Jamur. Dengan adanya rak baru ini, kapasitas baglog dan produktivitas meningkat hingga memproduksi sebesar 5000 baglog. Program ini juga menunjukkan pentingnya kolaborasi antara dunia akademik dan UMKM dalam mendorong inovasi yang berkelanjutan.
Organoleptic Study of Red Dragon Fruit Jam (Hylocereus polyrhizus) from the Perspective of Statistics and Food Chemistry Lestari*, Mega Fia; Utami, Hermin Hardyanti; Yusriadi, Yusriadi; Desa, Susilo Sudarman
Jurnal IPA & Pembelajaran IPA Vol 9, No 3 (2025): SEPTEMBER 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v9i3.47987

Abstract

Red dragon fruit (Hylocereus polyrhizus) based jam products have high potential, but consumer acceptance is still limited due to sensory constraints that arise when dragon fruit skin is used as an additional ingredient. This study aimed to evaluate the sensory quality of red dragon fruit jam by adding dragon fruit peel, using statistical and food chemistry approaches. Organoleptic tests were conducted on 30 untrained panellists to assess four main attributes: colour, texture, odour, and taste, using a 9-point hedonic scale. Data were analyzed using descriptive statistics, the Shapiro-Wilk normality test, the one-sample t-test, and cronbach's alpha reliability test. The results showed that colour and texture were not significantly different from the "like" threshold value ( = 7), while odour and taste showed significant differences (p 0.05). Cronbachs alpha value of 0.673 indicated moderate consistency of assessment. The food chemistry perspective explain that the less preferred odour and taste attributes are thought to be caused by secondary metabolite compounds such as tannins in dragon fruit peel, which can produce a bitter sensation or foreign odour. Approaches such as blanching and formulation adjustments can be strategies to improve sensory quality. This study contributes to developing innovative and sustainable dragon fruit-based food products
The Effect of Incorporation of Moringa Oleifera Leaf Extract on Characteristics of Chitosan-Alginate Films for Active Packaging Riyandari, Baiq Amelia; Rezeki, Yupita Tri; Pratiwi, Yussi; Lestari, Mega Fia
Jurnal Kimia Riset Vol. 10 No. 2 (2025): December
Publisher : Universitas Airlangga, Campus C Mulyorejo, Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jkimris.v10i2.77085

Abstract

In this research, preparation of chitosan/alginate film incorporated with Moringa oleifera leaf extract (MOE) was successfully developed. These films were characterized using FTIR spectrophotometer to investigate interaction between chitosan-alginate and the extract. Physical characteristics of these films were also identified including thickness, water content, film solubility, and water vapor permeability (WVP). Film characterization showed that chitosan/alginate films with Moringa oleifera extract had been formed. Addition of crude extract of Moringa oleifera did not affect the thickness of films significantly. Addition of Moringa oleifera leaf extract at higher level concentration increased film solubility of films. Meanwhile, water content and water vapor permeability (WVP) decreased with higher concentration of extract. Antioxidant performance, measured using UV-Vis spectrophotometer, revealed that the film with the highest extract concentration achived the greatest radical scavenging activity (RSA), reaching 43.65% after 48 hours. Furthermore, the application of on grapes demonstrated the potential of chitosan-alginate films with Moringa oleifera extract as effective active packaging.
Fabrication of Hydrophobic Graphene-Cellulose Composite Paper Using Rice Husk Ash Silica Sariwahyuni; Herlina Rahim; Hanim Istatik Badi'ah; Andi Haslinah; Mega Fia Lestari
Science Journal Get Press Vol 2 No 4 (2025): October, 2025
Publisher : CV. Get Press Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69855/science.v2i4.233

Abstract

This study presents the fabrication and characterization of a sustainable graphene–cellulose composite paper reinforced with rice husk ash (RHA)–derived amorphous silica. Silica was extracted via alkaline leaching–acid precipitation, yielding a porous, high-purity amorphous phase well-suited for reinforcement. Composite papers were prepared by incorporating varying loadings of graphene nanoplatelets (0.5–2 wt%) and silica (5–15 wt%) into cellulose pulp, followed by ultrasonication, vacuum filtration, and hot pressing. Structural and morphological analyses (FTIR, XRD, SEM) confirmed effective dispersion and strong filler–matrix interactions. The incorporation of graphene and silica significantly enhanced surface hydrophobicity, raising the water contact angle from 62.5° for neat cellulose to 152.7°—indicative of a near-superhydrophobic state. Mechanical testing revealed an optimal formulation (1 wt% graphene + 10 wt% silica) that improved tensile strength by 42% and Young’s modulus by 36% compared to neat cellulose. Higher filler concentrations slightly reduced tensile strength due to filler agglomeration. This work demonstrates a valorization pathway for low-cost agricultural residues to produce eco-friendly composite materials with superior mechanical and surface properties, suitable for applications in packaging, filtration, or protective coatings.
Co-Authors Al Adawiyah, Syardah Ugra Andi Haslinah Aqdar Fitrah, Muhammad Aras, Neny Rasnyanti M Ardiansah, Ardiansah Arminas, Arminas A’Ban, Jamaluddin Gesrianto Badi'ah, Hanim Istatik Desa, Susilo Sudarman Hasri Hasri Herlina Rahim Hermansyah Hermansyah Hidayat, Muh Farid Husna, Saadatul Irwan , Muhammad Irwana, Adinda Ismail, Nur Afia Karmila Khaerunnisa, Munira M Aras, Neny Rasnyanti Maryono Maryono Masda, Raehana Ramadhani Muh. Alfian Muh. Khaerunnas Dirgantara Muhammad Ikram Nur Fuady Muhammad Ikram Nur Fuady Mustika Ibrahim Netti Herawati Nur Amri, Azhari Nur Asmi Rahmawati Nur Fuady, Muhammad Ikram Nurfadilla Nurfadilla Nurlaelah . Nurlaelah Nurlaelah Nurul Hulwanita Sharfina Nurul Hulwanita Sharfina Odilia Valentine Papriani, Nada Pertiwi Rahim, Herlina Ratlalan, Roberth Marshall Rezeki, Yupita Tri Risdamayanti Rismul Trianto Salawali Salawali, Rismul Trianto Sariwahyuni Sitanggang, Boy Chandra Supu, Abd Rachman Syaiful . Tamuddin, Yusriadi Thahir, Muhammad Taufiq Towolioe, Sherly Trifany, Andi Wahyu Utami, Hermin Hardyanti yusriadi tamuddin Yusriadi Yusriadi Yussi Pratiwi Zainal Abidin