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Phytochemical Study of Traditional Medicinal Plants Used by the Kurulu Village Community, Jayawijaya Regency, Papua Budiono, Ruly; Kusmoro, Joko; Aryani, Dian; Nur’anifah, Reni; Sukono
International Journal of Health, Medicine, and Sports Vol. 3 No. 3 (2025): International Journal of Health, Medicine, and Sports
Publisher : Corespub

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijhms.v3i3.242

Abstract

This study explores the use of traditional medicinal plants by the community of Kurulu Village, Jayawijaya Regency, Papua. It aims to identify plant species, utilized plant parts, their phytochemical contents based on literature, and related medicinal uses. A descriptive-analytical method was applied through interviews, direct observation, and literature review. This study identified 38 medicinal plant species from 28 families utilized by the community in Kurulu Village, Papua. Various plant parts are used, with leaves being the most commonly utilized. These plants contain a range of phytochemical compounds such as alkaloids, flavonoids, saponins, tannins, and others that are effective in treating various diseases, from diarrhea to cancer. The methods of preparation include boiling, burning, pounding, steeping, squeezing, and in some cases, the plants are used directly without processing. These findings highlight the rich ethnobotanical knowledge preserved by the Kurulu community and underscore the potential of traditional medicinal plants for further pharmacological research and development.
Strategi Pengembangan Pariwisata Berkelanjutan Berbasis Warisan Budaya di Kota Surakarta Sukono; Widiyanto, Herri; Supriyanto, Arseto Endro
Jurnal Bengawan Solo Pusat Kajian Penelitian dan Pengembangan Daerah Kota Surakarta Vol. 2 No. 2 (2023): Desember : Jurnal Bengawan Solo
Publisher : Badan Riset dan Inovasi Daerah Kota Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58684/jbs.v2i2.60

Abstract

Pariwisata berkelanjutan menjadi salah satu fokus utama dalam pengembangan sektor pariwisata di berbagai daerah, termasuk Kota Surakarta. Kota ini memiliki kekayaan warisan budaya yang kaya, mulai dari situs sejarah, tradisi, seni, hingga kuliner yang memiliki potensi besar untuk dikembangkan sebagai daya tarik wisata. Namun, pengembangan pariwisata berbasis warisan budaya di Kota Surakarta harus dilakukan dengan pendekatan yang berkelanjutan agar tidak merusak nilai-nilai budaya asli dan lingkungan setempat. Penelitian ini bertujuan untuk mengidentifikasi strategi pengembangan pariwisata berkelanjutan berbasis warisan budaya di Kota Surakarta melalui kajian pustaka. Metode studi pustaka yang digunakan dalam penelitian ini melibatkan pengumpulan dan analisis data sekunder dari berbagai literatur yang relevan, termasuk buku, artikel jurnal, laporan pemerintah, dan dokumen kebijakan yang membahas pariwisata berkelanjutan dan pelestarian budaya. Hasil studi ini menunjukkan bahwa ada beberapa strategi kunci yang dapat diterapkan dalam pengembangan pariwisata berkelanjutan berbasis warisan budaya di Kota Surakarta. Pertama, diperlukan sinergi antara pemerintah daerah, masyarakat lokal, dan pelaku industri pariwisata dalam menjaga dan melestarikan warisan budaya. Kolaborasi ini penting untuk memastikan bahwa pariwisata berkembang tanpa mengorbankan nilai-nilai budaya yang ada. Kedua, perlu adanya penguatan edukasi kepada wisatawan mengenai pentingnya menjaga kelestarian budaya lokal, sehingga wisatawan tidak hanya datang untuk menikmati, tetapi juga menghargai dan mendukung pelestarian budaya tersebut. Ketiga, diversifikasi produk wisata berbasis budaya perlu dilakukan agar tidak hanya berfokus pada objek wisata populer, tetapi juga mengangkat potensi budaya lokal yang kurang dikenal. Terakhir, promosi yang efektif melalui media digital dan offline perlu ditingkatkan untuk menjangkau pasar yang lebih luas, namun tetap mengedepankan prinsip pariwisata berkelanjutan yang tidak merusak lingkungan dan budaya lokal. Melalui implementasi strategi-strategi ini, diharapkan pengembangan pariwisata berbasis warisan budaya di Kota Surakarta dapat berjalan secara berkelanjutan, sekaligus memberikan manfaat ekonomi, sosial, dan lingkungan bagi masyarakat setempat.
Estimation of an Optimal Portfolio Using the Constant Correlation Model: An Empirical Study on IDX Bisnis-27 Stocks Jehan Rizky Faustina Hartono; Anastasia Audrey Wijaya; Sukono
International Journal of Quantitative Research and Modeling Vol. 6 No. 4 (2025): International Journal of Quantitative Research and Modeling (IJQRM)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v6i4.1142

Abstract

Portfolio optimization is an essential aspect of investment decision-making, as investors aim to achieve an optimal trade-off between expected return and risk. However, the traditional Markowitz portfolio model requires the estimation of a large variance–covariance matrix, which becomes computationally complex as the number of assets increases. To address this limitation, this study applies the Constant Correlation Model (CCM), which simplifies portfolio construction by assuming a constant correlation among asset returns. This study aims to estimate an optimal stock portfolio using the CCM approach based on stocks included in the IDX Bisnis-27 index, representing companies with strong business fundamentals listed on the Indonesia Stock Exchange. The data consist of daily closing prices of 28 stocks for the period from January to December 2023. The analysis involves calculating stock returns, expected returns, standard deviations, Excess Return to Standard Deviation (ERS), constant correlation, and the cut-off rate (C*). The results show that the average constant correlation among the selected stocks indicates a moderate level of interdependence, suggesting that diversification benefits still exist. Based on the CCM selection criteria, only one stock, ANTM, has an ERS value exceeding the cut-off rate and is therefore included in the optimal portfolio with a weight of 100%. These findings indicate that ANTM exhibits the strongest risk-adjusted performance among IDX Bisnis-27 stocks during the observation period. This study provides practical insights for investors in constructing optimal portfolios using simplified correlation assumptions in emerging markets.