Stefani Santi Widhiastuti

ORCID: 0009-0004-7528-4324
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Research Areas
  • Natural Products and Applications
  • Medicinal Plant Research
  • Public Health and Nutrition
  • Food and Agricultural Sciences
  • Phytochemicals and Antioxidant Activities
  • Agricultural and Environmental Management
  • Pancreatic function and diabetes
  • Education and Military Integration
  • Enzyme Production and Characterization
  • Plant tissue culture and regeneration
  • Agricultural and Biological Research
  • AI in cancer detection
  • Cancer Research and Treatment
  • Plant Molecular Biology Research
  • Artificial Intelligence in Healthcare
  • Moringa oleifera research and applications
  • Essential Oils and Antimicrobial Activity
  • Sports and Physical Education Research
  • Phytochemistry and Biological Activities
  • Forest Ecology and Conservation
  • Blockchain Technology in Education and Learning
  • Pharmacology and Nanomedicine Research
  • Seed Germination and Physiology

Atma Jaya University Yogyakarta
2019-2024

The potential wild Rosa centifolia L. and alba extracts in the Sapuangin region of Merapi Mountain National Park have not been explored. This study investigated phytochemical content, antioxidant activity, from R. as sunscreen. simplicia were extracted with methanol ethanol to obtain four rose extract types. Phytochemical content was using qualitative assay. Spectrophotometry used determine total flavonoid (TFC) phenolic (TPC). Antioxidant activity evaluated 1,1-diphenyl-2-picrylhydrazyl...

10.14719/pst.4916 article EN Plant Science Today 2025-02-11

The propagation of Clitoria ternatea poses several challenges, including low germination rates, vulnerability young seedlings in natural environment, and a slow flowering rate. This study aims to identify the best Plant Growth Regulators their optimal concentration stimulate indirect somatic embryogenesis from C. Ternatea leaves explants. samples were cultured on Murashige Skoog (MS) medium supplemented with various thidiazuron (TDZ; 1, 2, 3, 4, 5 mgL-1 ) combination 2,4-dichloro phenoxy...

10.38124/ijisrt/ijisrt24mar149 article EN International Journal of Innovative Science and Research Technology (IJISRT) 2024-03-09

Abstract Clidemia hirta is one of the invasive species. Its presence undesirable in conservation areas such as Merapi Mount National Park. Bioprospecting its antiobesity activity could not only be alternative solution to solve obesity problems but also control their This study aims determine ethanolic extract C. against Swiss Webster strain male mice induced high-fat diet. Dried leaves were extracted using ethanol 96% with maceration method for 48 hours. The was investigated secondary...

10.1088/1755-1315/1255/1/012069 article EN IOP Conference Series Earth and Environmental Science 2023-10-01

Jerawat merupakan gangguan pada permukaan tubuh yang umumnya sering muncul wajah. Bakteri Propionibacterium acnes salah satu bakteri penyebab jerawat. Penggunaan antibiotik memiliki efek samping resiko hipersensitivitas atau alergi, sehingga penggunaan bahan alami sebagai obat herbal menjadi alternatif pengobatan baik. Salah dengan potensi antibakteri dapat menghambat pertumbuhan P. adalah daun tanaman jamblang kandungan antibakteri. Metode pengujian berupa pembuatan ekstrak jamblang,...

10.24002/biota.v9i1.6552 article ID cc-by-nc Journal of Biota 2024-02-05

Hyptis capitata Jacq. known as Sumambu plants in Sulawesi, has phytopharmaceutical importance. H. extracts were evaluated for their phytochemical properties, antioxidant activity, and cytotoxicity. Using the maceration yielded five types of extracts: root chloroform (RC), methanol (RM), leaf (LC), (LM), ethanol (LE). Phytochemical properties identified by qualifying procedure digital image analysis quantifying Red-Green-Blue (RGB) percentage hex colour code. 1,1-diphenyl-2-picrylhydrazyl...

10.22146/jtbb.90976 article EN cc-by-sa Journal of Tropical Biodiversity and Biotechnology 2024-08-19

Diabetes mellitus tipe 2 merupakan jenis diabetes yang paling banyak terjadi. Berbagai macam terapi telah digunakan untuk menangani DM (Diabetes Mellitus) 2, namun masih terdapat keterbatasan. Penelitian ini dilakukan mengetahui pengaruh MT-SPM terhadap histopatologi pankreas dan jumlah sel normal Langerhans pada tikus model melitus 2. penelitian eksperimental murni dengan desain Posttest Control Group. Sebanyak 27 ekor Sprague Dawley jantan dibagi menjadi 3 kelompok: kontrol (K(-)) yaitu 9...

10.24002/biota.v3i3.1900 article ID cc-by-nc Journal of Biota 2019-01-31

Diabetes mellitus type 2 is the most common of diabetes. This study was conducted to determine effect Mesenchymal Stem Cell-Conditioned Medium (MSC-CM) in Homeostatic Model Assessment β-cell function (HOMA-β) value, normal Langerhans cells, and Transcription Factor 7-Like (TCF7L2) gene expression diabetic rats model. As many as 27 male Sprague Dawley were divided into 3 research groups: control (9 rats), rats, induced by 60 mg/kg BW Streptozotocin 120 Nicotinamide i.p.), treatment with 0.1...

10.14203/beritabiologi.v19i2.3830 article EN BERITA BIOLOGI 2020-08-28

Wounds are tissue damage that is generally caused by physical contact. Wound healing a complex mechanism involving biochemical and biocellular processes. Various therapies can be done to speed up the wound process, one of which treatment using natural ingredients. One plants have potential heal wounds Oncidium Aliceara alice. The purpose this study was determine phytochemical content alice its activity in when it formulated gel form. This research experimental with extraction stages, assay,...

10.22435/jki.v13i1.6211 article EN cc-by-sa Jurnal Kefarmasian Indonesia 2023-02-15

Paroki Santa Theresia Lisieux (STL) Boro terletak pada area pengembangan pariwisata sehingga berpotensi menjadi desa wisata dengan amenitas khas berupa jahe emprit. Produksi ini memiliki keterbatasan kuantitas, kontinuitas, dan kualitas karena minimnya pengetahuan ketrampilan petani dalam penanaman pemeliharaan tanaman serta pengolahan rimpang produk jadi. Fakultas Teknobiologi, Universitas Atma Jaya Yogyakarta memberikan pelatihan pendampingan untuk memperbaiki di STL Boro. Pelatihan dibagi...

10.24002/jai.v3i5.7594 article ID cc-by-sa Jurnal Atma Inovasia 2023-09-29

Roses are one of the commodities in Sapuangin area, Pemalang, Klaten. The fluctuating selling price and short shelf life make fresh roses only a secondary product. Therefore, training is needed to process rose flowers into products with high economic value longer life. This community service aims enhance community's knowledge processing various from flowers. activities include survey, socialization, implementation, evaluation. consists 7 topics June July 2023, where participants receive oral...

10.24002/jai.v3i6.8082 article ID cc-by-sa Jurnal Atma Inovasia 2023-11-29

Penyakit degeneratif seperti stroke, jantung, hipertensi, dan diabetes merupakan penyakit yang banyak dialami seseorang seiring dengan bertambahnya usia. Terapi obat-obatan maupun operasi telah digunakan Namun pada beberapa kasus, hasilnya belum maksimal. Dengan meningkatnya ilmu pengetahuan teknologi, sel punca juga dikembangkan sebagai terapi regeneratif, tidak hanya untuk pengobatan namun penyembuhan luka akibat trauma fisik lain. Salah satu macam adalah mesensimal (SPM). Meskipun...

10.24002/biota.v5i1.2963 article ID cc-by-nc-sa Journal of Biota 2020-06-11

ABSTRACTThe skin has an important function in the body's first line of defense. Lotion is used to maintain health, one which from microorganism infection by presence antibacterial substances formula. One plants that activity Moringa (Moringa oleifera). The aim this study was make a lotion formula containing methanol extract leaves activity. research carried out extraction stage, phytochemical assay, formulation, and assay lotion. Based on results contains saponins, flavonoids, tannins,...

10.14203/beritabiologi.v21i1.4293 article EN BERITA BIOLOGI 2022-06-20
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