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Menampilkan 1–10 dari 36 artikel
Microencapsulation of Phycocyanin from Spirulina platensis by Freeze-Drying: Optimization of Maltodextrin–Soy Protein Matrices for Enhanced Stability and Antioxidant Functionality
Marlina, Dian
; Saputra, Ryan Werytama
; Aji Prasetyo, Takad Bagas
; Muhamad Ansory, Hery
; Aisiyah, Siti
; Purwaningsih, Desi
Phycocyanin, a natural blue pigment from Spirulina platensis, exhibits strong antioxidant activity but is highly unstable under light, heat, and pH variations, limiting its practical applications. This experimental study addresses the lack of systematic optimization data on maltodextrin–soy protein isolate (SPI) wall matrices for phycocyanin microencapsulation via freeze-drying. Phycocyanin was extracted using phosphate buffer and encapsulated at different maltodextrin:SPI ratios (9:1, 8:2, and...
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Pengaruh Ukuran Perusahaan, Pertumbuhan Aset, Struktur Aset, Tingkat Utang, dan Perputaran Total Aset Terhadap Profitabilitas
KOMPAK : Jurnal Ilmiah Komputerisasi Akuntansi
Vol 18
, No 2
(2025)
This study examines how company size, asset growth, tangibility, leverage, and total asset turnover affect profitability in consumer manufacturing companies listed on the Indonesia Stock Exchange from 2019 to 2023, using secondary data collected via purposive sampling. The independent variables in this study include the natural logarithm of total assets, asset growth (this year’s total assets relative to the previous year), and tangibility (the fixed asset ratio to total assets). Leverage uses t...
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Constraints on Adopting Land Conservation Technologies Among Cassava Farmers in Volcanic Hillslope Prone to Landslide, Indonesia
Pratiwi, Elok Surya
; Islami, Jihan Dwi
; Purwaningsih, Rina
; Sartohadi, Junun
; Ota, Masahiko
; Hadi, Intan Permata
; Patanduk, Alvince
; Annisa, Hertiyana Nur
; Setio Hadinugroho, Hunggul Yudono
; Setiawan, Ogi
; Nugroho, Bayu Dwi Apri
Forum Geografi
Vol 39
, No 3
(2025)
The adoption of land conservation technologies (LCTs) in smallholder farming systems often remains limited due to diverse, context specific constraints, highlighting the need for localized analyses. This study examines the barriers to LCTs adoption among cassava farmers residing on landslide-prone volcanic slopes in Magelang Regency, Indonesia. A qualitative approach was employed, involving semi-structured interviews with eight low-income farmers. The analysis identifies two key determinants of...
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Physicochemical and Sensory Characterization of Instant Porridge Based on Sago, Pumpkin, and Soybean Flour at Various Drying Temperatures
Journal of Food and Agricultural Product
Vol 5
, No 2
(2025)
This study aims to determine the effect of variations in the ratio of ingredients and drying temperature on the quality of instant porridge based on sago, pumpkin, and soy flour. The ratio of raw materials used: 1:1:1, 1:2:1, and 1:3:1. The drying temperature ratios used were 130, 140, and 150°C. Physical properties of instant porridge were tested: yield, slurry density, rehydration power, oil absorption capacity, and color. Chemical analysis included: moisture content, ash, protein, fat, carboh...
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MARKETING STRATEGY PLANNING FOR TAHU BAKSO IN MSMEs THROUGH THE MARKETING MIX FRAMEWORK AND TOPSIS
Jurnal Agrifoodtech
Vol 4
, No 1
(2025)
Micro, small, and medium-sized enterprises (MSMEs) producing tahu bakso face intense market competition and need efficient marketing strategies to maintain competitiveness. This study aims at developing strategy by identifyng criteria and selecting the optimal strategies. The research adopts the 4P marketing mix framework-product, price, place, and promotion-combined with the TOPSIS (Teqnique for Order Preference by Similarity to Ideal Solution) method. Five main criteria were identified: produc...
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EFEKTIFITAS BROSUR TERHADAP PENINGKATAN PENDAFTARAN ONLINE DENGAN MOBILE JKN DI RSUD KOTA TEGAL
Bhamada: Jurnal Ilmu dan Teknologi Kesehatan
Vol 15
, No 2
(2024)
Latar Belakang: Inovasi pendaftaran online dirawat jalan tidak akan dirasakan manfaatnya secara maksimal apabila adanya keterbatasan pengetahuan masyarakat, Penggunaan Brosur panduan pendaftaran online diharapkan membantu mengatasi keterbatasan pengetahuan masyarakat. Tujuan: Mengetahui hubungan penggunaan brosur panduan pendaftaran online peserta BPJS dengan jumlah pendaftaran rawat jalan yang menggunakan pendaftaran secara online dengan mobile JKN di RSUD Kota Tegal. Metode penelitian: Jenis p...
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Enhancing Students’ Concepts Mastery in Kinetic Theory of Gases Through the STEM-Discovery Learning Model
Radiasi: Jurnal Berkala Pendidikan Fisika
Vol 17
, No 2
(2024)
Students' difficulties with gas kinetic theory material have led to low mastery of physics concepts. Improving mastery of the concept of the kinetic theory of gases can be supported by using learning models. There have been many studies that prove that discovery learning can influence physics learning outcomes. However, this study uses a STEM approach integrated into a discovery learning model that acts as part of the inquiry level in physics classes Merdeka curriculum. This research aims to imp...
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Pengaruh Profitabilitas, Likuiditas, dan Ukuran Perusahaan terhadap Penghindaran Pajak
Profit: Jurnal Manajemen, Bisnis dan Akuntansi
Vol 3
, No 3
(2024)
The objective of this study was to evaluate the influence of profitability, liquidity, and company size on the propensity for tax avoidance among mining companies listed on the Indonesia Stock Exchange between 2019 and 2021. The present study focuses on mining companies listed on the Indonesia Stock Exchange (IDX) during the same year. A total of 60 samples were selected from 23 companies that met the criteria established for this study. The sample was selected through the use of purposive sampl...
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Comparing Conventional and Modern Methods for The Phycocyanin Extraction from Spirullina sp
Marlina, Dian
; Purwaningsih, Desi
; Pratiwi, Reny
; Saputra, Ryan Werytama
; Setyaningsih, Widiastuti
; Supriyono, Supriyono
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 6
, No 3
(2024)
Spirulina platensis, a blue-green algae abundant in tropical regions, is rich in minerals, vitamins, fibers, and pigments, with low nucleic acid content. It has unique chromoproteins called phycobiliproteins, notably phycocyanin, used in various applications. This study aims to optimize phycocyanin extraction using different solvents (distilled water and sodium phosphate buffer pH 6.7) and methods (freeze-thaw and sonication). Spirulina platensis biomass was extracted in both solvents, then some...
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Pemberian Terapi Mindfulness Menurunkan Insomnia dan Tekanan Darah Pada Lansia Penderita Hipertensi
Jurnal Keperawatan Karya Bhakti
Vol 10
, No 2
(2024)
Salah satu, gangguan fisik yang paling sering terjadi pada lansia adalah peningkatan tekanan darah atau biasa disebut hipertensi, gejala yang sering dialami pada lansia dengan hipertensi adalah kesulitan tidur atau yang disebut insomnia. Insomnia merupakan suatu keadaan seseorang yang mengalami sulit tidur atau tidur sering terbangun dimalam hari atau terbangun terlalu pagi. Banyak upaya yang dapat dilakukan untuk mengatasi tekanan darah yang meningkat dan gangguan insomnia yang buruk salah satu...
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