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Exploring of Jamu Pahitan, a Traditional Bitter Drink Originating from Java, Indonesia: Ethnopharmacological Studies and Scientific Evidence Witoyo, Jatmiko Eko; Utoro, Panggulu Ahmad Ramadhani; Permatasari, Nelsy Dian; Maligan, Jaya Mahar
Journal of Food and Agricultural Product Vol. 5 No. 1 (2025): JFAP
Publisher : Fakultas Pertanian Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/jfap.v5i1.6292

Abstract

Jamu is a traditional Indonesian drink that has been recognized worldwide, and is usually drunk by Indonesians, especially Javanese, as a health drink. Jamu pahitan is a type of jamu that is made from one, two, or a mixture of herbal ingredients like Andrographis paniculata and Tinospora cordifolia, with or without adding other herbal ingredients. In Indonesia, jamu pahitan has long been used by local communities, particularly Javanese, as a blood purifier, an anti-allergy, and even a treatment for skin conditions. On another hand, Jamu pahitan could potentially be used to diabetes mellitus management, based on recent studies. Nevertheless, there are still few thorough and scientific investigations on the composition, processing, public health perception, and efficacy of jamu pahitan and its herbal constituents, particularly with regard to diabetes management. Therefore, the formula composition, processing, societal health perception, and pharmacological clinical evidence of jamu pahitan and its constituent herbal ingredients, particularly for the control of diabetes, are all covered in this review. This study's methodology was a narrative literature review, using 1992 - 2023 data as foundational information on the subjects covered. In vitro and in vivo investigations have demonstrated that the herbal ingredients contain a variety of bioactive chemicals, and the aqueous extract of the herbal ingredients composed of jamu pahitan and jamu pahitan alone has pharmacological action as antidiabetic agent. Keywords: anti-diabetic, bioactive compound, formula composition, jamu pahitan, traditional medicine
Eksplorasi Singkat Laku Tobe, “Tumpeng” Singkong Tradisional dari Pulau Timor Barat, Nusa Tenggara Timur Naisali, Hyldegardis; Witoyo, Jatmiko Eko; Utoro, Panggulu Ahmad Ramadhani; Permatasari, Nelsy Dian
Cannarium Vol 22, No 2 (2024)
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/cannarium.v22i2.9092

Abstract

Pulau Timor Barat di Provinsi Nusa Tenggara Timur (NTT) memiliki keragaman kuliner khas yang menggambarkan kekayaan budaya dan kearifan lokal masyarakatnya. Salah satu kuliner tradisional di NTT yang belum banyak dikenal adalah laku tobe, yang terbuat dari bahan utama singkong yang diolah menjadi tepung gaplek, yang  dikombinasikan dengan kelapa parut, dan gula merah sebagai pembentuk cita rasa. Laku tobe umumnya disajikan pada upacara adat dan memiliki bentuk kerucut menyerupai tumpeng kecil, serta cita rasa gurih dan manis. Namun, informasi mengenai komposisi bahan penyusun dan metode pembuatan laku tobe masih sangat terbatas. Tujuan dari penulisan artikel ini adalah untuk memberikan informasi mengenai komposisi bahan penyusun dan proses pembuatan laku tobe secara tradisional yang banyak dilakukan oleh Masyarakat Timor, NTT secara singkat melalui tinjauan berbagai sumber pustaka dari tahun 1991-2024. Hasil kajian menunjukkan bahwa laku tobe memiliki potensi untuk dikembangkan dalam konteks pangan etnik dan dapat dikenalkan secara luas dengan tetap mempertahankan unsur tradisional dan nilai gizi yang lebih optimal. Harapannya, laku tobe dapat menjadi ikon kuliner dari NTT yang dikenal di tingkat nasional dan internasional.
Karakteristik Struktural Bioplastik dari Tepung Porang dan Campuran Tepung Porang–Tepung Biji Durian Permatasari, Nelsy Dian; Witoyo, Jatmiko Eko; Susilo, Donor Utomo M.; Widjanarko, Simon Bambang
Jurnal Riset Teknologi Pangan dan Hasil Pertanian (RETIPA) Volume 5 Nomor 2
Publisher : Universitas Katolik Santo Thomas Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54367/retipa.vi.4238

Abstract

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The physicochemical properties, bioactive composition, bioactivity, and food innovation based on Flacourtia inermis fruit: A narrative literature review Witoyo, Jatmiko Eko; Alvianto, Dikianur; Permatasari, Nelsy Dian; Utoro, Panggulu Ahmad Ramadhani
Journal of Food and Agricultural Product Vol. 5 No. 2 (2025): JFAP
Publisher : Fakultas Pertanian Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/jfap.v5i2.7107

Abstract

Flacourtia inermis fruit, locally known as lobi-lobi fruit, is one of Indonesia's rare local fruits, rich in nutritional and bioactive compounds. However, the physical-chemical characteristics, bioactive composition, bioactivity, and food innovations based on the lobi-lobi fruit have not yet been comprehensively explored. So, the objective of this article is to provide a comprehensive overview of the physical-chemical characteristics, bioactive composition, bioactivity, and food innovations based on the lobi-lobi fruit, as per earlier studies. The approach used in this study is a narrative literature review, with data sources comprising earlier publications, including articles and scientific proceedings from 2011 to 2025, that are relevant to the topic under discussion. The review findings revealed that fresh lobi-lobi fruit is characterized by its high moisture, fat, and vitamin C content, as well as its richness in various phytochemical compounds, including tannins, saponins, flavonoids, phenolics, triterpenoids, alkaloids, and anthocyanins. Numerous studies have demonstrated that lobi-lobi fruit and its extracts exhibit significant bioactivities, such as antioxidant, antibacterial, antidiabetic, anti-hypertension, acting as a lipase enzyme inhibitor, and a remedy for dyslipidemia. Innovations deriving from lobi-lobi fruit include the production of vinegar and wine, alongside its application as a natural preservative for fishery products and a flavoring agent in food products. Looking ahead, there is considerable potential for lobi-lobi fruit to be utilized for fortification and supplementation in food products, as well as being processed into powder form through drying to enhance its shelf life and accessibility. Keywords: bioactive, bioactivity, food innovation, lobi-lobi fruit, physicochemical characteristics
The Particle Size Distribution and Colour Profiles of Porang Powder with Variation Porang Flour Mass Feeds: A Preliminary Study: Profil Distribusi Ukuran Partikel dan Warna Bubuk Porang dengan Variasi Input Massa Tepung Porang: Studi Pendahuluan Witoyo, Jatmiko Eko; Ni'maturohmah, Eva; Pamungkas, Bangkit Puji Putra; Permatasari, Nelsy Dian; Argo, Bambang Dwi; Yuwono, Sudarminto Setyo; Widjanarko, Simon Bambang
Journal of Tropical Agricultural Engineering and Biosystems - Jurnal Keteknikan Pertanian Tropis dan Biosistem Vol. 13 No. 2 (2025): August 2025
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jkptb.2025.013.02.04

Abstract

Porang is rich in glucomannan, making it valuable in food and non-food applications, often processed into porang flour. Size reduction of porang flour into porang powder is a crucial stage to meet the particle size standard of commercial konjac powder.  However, this stage is rarely explored, especially when using a roller mill machine.  This study aims to evaluate the performance of a batch roller mill machine on the particle size and colour of porang powder with various porang flour masses. The mass of porang flour used in this study was 100, 200, and 300 g, which were coded M100, M200, and M300, respectively, and the results obtained were analyzed descriptively. The particle size distribution was assessed using a particle size analyzer CILAS 1090-dry method, and colour was observed using the Colour Reader Minolta CR-10. The results showed that different mass variations of porang flour produced different particle size distribution patterns in the porang powder produced. Mathematically, the parameters d10, d50, d90, and the average diameter of porang powder follow an exponential equation as a function of the increasing porang flour mass, with R2 values ranging from 0.97 to 0.99. In addition, the average diameter of porang powder from treatment M100 was 68.81 µm and met the average particle size of commercial konjac powder. The colour  L* and degree of whiteness (DoW) of porang powder decreased linearly as a function of the increasing porang flour mass, while the a* and b* values increased logarithmically, with R2 values more than 0.99.
EFEK FORMULASI TEPUNG GAPLEK, TEPUNG UBI JALAR KUNING, DAN TEPUNG LABU KUNING TERHADAP PENERIMAAN SENSORIS LAKU TOBE MODIFIKASI Naisali, Hyldegardis; Utoro, Panggulu Ahmad Ramadhani; Permatasari, Nelsy Dian; Witoyo, Jatmiko Eko
Jurnal Teknologi Pertanian Andalas Vol 29 No 1 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jtpa.29.1.92-101.2025

Abstract

Laku tobe merupakan makanan tradisional dari Nusa Tenggara Timur yang disajikan pada acara adat tertentu, dan umumnya dibuat dari tepung gaplek. Penelitian ini mengembangkan laku tobe modifikasi dengan 3 bahan utama, sebagai faktor independen, yaitu tepung gaplek, tepung ubi jalar kuning, dan tepung labu kuning dengan 4 respon utama, meliputi penerimaan aroma, rasa, tekstur dan warna menggunakan metode hedonik dengan skala preferensi 1-5. Rancangan penelitian yang digunakan dalam penelitian ini adalah D-optimal Mixture Design dengan kisaran untuk tepung gaplek (40-50 gram), tepung ubi jalar kuning (30-40 gram), dan tepung labu kuning (20-30 gram). Semua p-value dari tiap respon dianalisis menggunakan analisis ragam (ANOVA) pada software Design Expert 13 untuk menentukan ada tidaknya efek faktor independen terhadap respon. Selain itu, laku tobe modifikasi terbaik tiap respon dipilih berdasarkan skor penerimaan tertinggi dan dibandingkan dengan laku tobe tradisional menggunakan uji-t berpasangan. Hasil penelitian memperlihatkan bahwa semua jenis tepung yang digunakan tidak berpengaruh nyata (p > 0,05) terhadap penerimaan sensoris laku tobe modifikasi. Penerimaan sensoris aroma,  rasa, tekstur, dan warna dari laku tobe modifikasi sebesar 3,16-3,66, 3,16-3,78, 3,06-3,48, dan 3,18-3,74 secara berurutan.  Perlakuan terbaik dari laku tobe modifikasi pada setiap respon ditemukan pada run formulasi yang berbeda. Lebih lanjut, hasil komparasi laku tobe modifikasi terbaik dari tiap respon berbeda nyata (p < 0,05)  dengan laku tobe tradisonal pada parameter penerimaan sensoris aroma, tekstur, dan warna, serta tidak berbeda nyata (p > 0,05)  dengan parameter penerimaan sensoris rasa.