Muhammad Yusuf
Program Studi S1 Teknologi Pangan Fakultas Ilmu Keperawatan Dan Kesehatan Universitas Muhammadiyah Semarang

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EXPERIMEN PEMBUATAN CRAB NUGGET DENGAN BAHAN SECOND GRADE DARI INDUSTRI RAJUNGAN SERTA ANALISA ASPEK EKONOMINYA muhammad yusuf; agus Suyanto
Jurnal Pangan dan Gizi Vol 2, No 1 (2011): Kajian Pangan dan Gizi
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jpg.2.1.2011.%p

Abstract

Development value added crab of second grade still very has potency to be developed and marketed. One of the development effort tried by utilization crab become crab nugget. This research aim to study how far its development prospect and how its marketing strategy so that product of experiment became the best product. In other hand, crab nugget as alternative and new nugget in the market can provide opportunity of entrepreneurship. Research method uses experiment with presentation of data descriptively tabulation traverse (cross-tabs).  Result of market survey, consumer response to fickle product of crab nugget is: (a) Respondent interested  to product counted 88,3 % (b) Respondent enthusiastic buy product 73,3 % (c) Respondent interested to product but do not intend to buy counted 15 %. Strategy performed within effort improve sale done by : (a) give better service (b) multiply promotion effectively and smart (c) vie with image feel more pre-eminent (d) give freshment at sale place visited by consumer.
Karakteristik Kimia, Tensile Strength dan Sensoris Kulit Lumpia dengan Penambahan Tepung Kedelai Hitam. Dwi Yuliana Astriati; Nurrahman .; Muhammad Yusuf
Jurnal Pangan dan Gizi Vol 12, No 2 (2022): Kajian Pangan dan Gizi
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jpg.12.2.2022.55 - 66

Abstract

Black soybean is a food ingredient that has functional characteristics. Black soybeans have a relationship with health, namely in black soybeans contained anthocyanins and isoflavones. Black soybeans are a source of vegetable protein, each seed contains an average of 37% protein. The addition of black soybean flour to the spring roll skin is intended to increase the nutritional and functional value of the spring roll skin. The purpose of this study was to determine the effect of adding black soybean flour to protein content, antioxidant activity, tensile strength and sensory properties of spring roll skin. The independent variable used was the concentration variation of black soybean flour (0, 2, 4, and 6 percent) with 6 replications. The steps taken were starting with making spring roll skin with the addition of black soybean flour, then analysis was carried out on chemical characteristics (protein content and antioxidant activity), tensile strength and sensory quality (hedonic test and scoring test). The results showed that there was a significant effect of variations in the concentration of black soybean flour on protein content, antioxidant activity, tensile strength and sensory quality of spring roll skin. The conclusion of the research results of spring roll skin with black soybean flour concentration that is 6% concentration is the best treatment with the results of the analysis of protein content: 12.63%, antioxidant activity: 28.95 %RSA, tensile strength: 0.09N/mm2 and taste: 3,37 (somewhat like).
KARAKTERISTIK FISIKOKIMIA DAN SENSORIS MINUMAN INSTAN EKSTRAK BERAS HITAM BERDASARKAN KONSENTRASI MALTODEKSTRIN DENGAN METODE FOAM-MAT DRYING Ilham Margining Tri Utami; Nurhidajah Nurhidajah; Muhammad Yusuf
Jurnal Pangan dan Gizi Vol 13, No 1 (2023): Kajian Pangan dan Gizi
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jpg.13.1.2023.67-77

Abstract

Black rice is one of the local varieties that has the best pigments, especially anthocyanins, compared to white rice and other rice. One of the uses of black rice as a functional food is the manufacture of ready-to-drink instant drinks that can maintain product quality and do not have added preservatives. The purpose of this study was to determine the physicochemical characteristics including anthocyanin levels, antioxidant activity, color intensity, and sensors with the addition of maltodextrin concentration..The research procedure was carried out first, black rice extraction, making black rice extract instant drink, and black rice extract instant drink formulation. The results showed that increasing the concentration of maltodextrin had a significant effect on physicochemical characteristics (anthocyanin levels, antioxidant activity, color intensity) and sensory (color and taste), but had no significant effect on sensory (aroma). The best treatment for an instant drinks with black rice extract is based on physicochemical tests, namely anthocyanin content (15.40mg/g), antioxidant activity (58.14%RSA), color intensity °Hue (41.02) Red and sensor test has a score of (3.45) close to like , contained in the addition of 30% maltodextrin concentration.
Potensi Lengkuas Sebagai Bahan Pengawet Ikan: Review Siti Aminah; Yunan Kholifatuddin Syadi; Muhammad Yusuf; Sri Hartati
Jurnal Pangan dan Gizi Vol 13, No 1 (2023): Kajian Pangan dan Gizi
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jpg.13.1.2023.59-66

Abstract

Galangal (Alpinia galanga) is a type of spice that is widely used as a spice and medicine. Galangal bioactive components such as flavonoids, terpenoids and phenolics have the potential to be antibacterial. Today has been widely studied the potential of galangal as an alternative preservative for natural food and fresh fish has characteristics that are prone to damage, especially microbiological damage, this is influenced by the characteristics of fresh fish with high water content, neutral pH and soft texture, microorganisms that destroy fresh fish include: Bacillus alvei, Pesudomonas aerogenosa, and Staphylococcus saprophyticus. Flavonoids, terpenoids and phenolics and other bioactiv components in galangal are able to inhibit bacterial growth in fish through mechanisms such as damaging bacterial cell walls, disrupting cell osmosis pressure and cell wall formation. Literature search both from research journal, theses and books. This review will be discussed the ability of galangal to inhibit microorganisms that destroy fresh fish and future research opportunities for formulations of natural ingredients as preservatives. Galangal has the potential as a preservative for fish trough the mechanism of inhibiting the growth of destructive microorganisms.
Analisis Kelayakan Usaha Telur Asin Ridho Jaya Desa Kaligangsa Kulon Kecamatan Brebes Kabupaten Brebes Azmi Asmuni Majid; Muhammad Yusuf; - Nurhidajah
Prosiding Seminar Nasional Unimus Vol 4 (2021): Inovasi Riset dan Pengabdian Masyarakat Post Pandemi Covid-19 Menuju Indonesia Tangguh
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Penelitian ini menggambar kondisi usaha telur asin Ridho Jaya meliputi rangkaian kegiatan, analisisfinansial dan bauran pemasaran. Tujuan dari penelitian ini adalah untuk mengukur kelayakan usahatelur asin Ridho Jaya. Hasil penelitian ini dapat dijadikan acuan tentang usaha telur asin bagi usahakecil menengah dan memberikan fakta layak atau tidaknya usaha telur asin di Kabupaten Brebesdalam pengaruh tol Trans Jawa sekaligus kondisi pandemi Covid-19. Analisis rangkaian kegiatanmeliputi struktur organisasi, alur distribusi, penanganan produk, diversifikasi produk, layout kerja,dan tenaga kerja. Analisis finansial meliputi Net Present Value (NPV), Internal Rate of Return(IRR), Benefit Cost Ratio (BCR), dan Payback Period (PP).  Analisis bauran pemasaran meliputiaspek Produk, Harga, Tempat, dan Promosi. Analisis finansial dari usaha telur asin Ridho Jayamemiliki nilai NPV 6.315.682.681, BCR 1,27, IRR 487%, dan PP 0,21. Hasil tersebut menandakanbahwa usaha telur asin Ridho Jaya layak dijalankan. Analisis bauran pemasaran menghasilkan nilaikategori Produk 3,84 dan Tempat 3,68 termasuk kriteria sangat baik dan menjadi keunggulan dariusaha tersebut. Sedangkan untuk Harga 3,48 dan Promosi 3,01 termasuk kriteria baik. Model bisnisdengan alur distribusi yang sederhana dan didukung dengan lokasi jaringan toko yang strategismemberikan keuntungan tersendiri bagi usaha telur asin Ridho Jaya.  Kata Kunci: telur asin, analisis finansial, bauran pemasaran, kelayakan usaha.
Pemberdayaan Masyarakat dalam Peningkatan Produktivitas Budidaya Ikan Lele melalui Inovasi Pakan Wahyu Imam Santoso; Ali Khamdi; Nur Muttaqien Zuhri; Nurul Puspita; Nun Maulida Suci Ayomi; Hardiwinoto Hardiwinoto; Muhammad Yusuf
JURNAL INOVASI DAN PENGABDIAN MASYARAKAT INDONESIA Vol 5 No 3 (2026): Juli
Publisher : Fakultas Kesehatan Masyarakat, Universitas Muhammadiyah Semarang

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Abstract

Latar belakang: Biaya pakan merupakan salah satu komponen terbesar dalam produksi budidaya ikan lele dan dapat membatasi keberlanjutan usaha pembudidaya skala rumah tangga. Pemanfaatan bahan pakan lokal yang tersedia di lingkungan sekitar berpotensi mengurangi ketergantungan terhadap pakan komersial sekaligus meningkatkan efisiensi produksi. Tujuan: Kegiatan pengabdian kepada masyarakat ini bertujuan meningkatkan produktivitas dan efisiensi budidaya ikan lele melalui penerapan pakan alternatif berbasis ikan rucah di Desa Tambaksari, Kecamatan Rowosari, Kabupaten Kendal. Metode: Kegiatan dilaksanakan menggunakan pendekatan partisipatif melalui pelatihan, praktik pembuatan pakan, aplikasi langsung pada budidaya lele, dan pendampingan. Intervensi meliputi pemanfaatan ikan rucah sebagai sumber protein lokal, formulasi dan pembuatan pakan secara mandiri, serta penambahan enzim fitase untuk meningkatkan pemanfaatan nutrien. Evaluasi dilakukan melalui pre-test dan post-test untuk mengukur perubahan pemahaman peserta terhadap bahan baku, formulasi, kandungan nutrisi, dan proses produksi pakan. Hasil: Pelatihan meningkatkan pemahaman peserta pada seluruh indikator yang dievaluasi. Rata-rata tingkat pemahaman meningkat dari 44% sebelum pelatihan menjadi 87% setelah pelatihan, dengan peningkatan sebesar 43 poin persentase. Peningkatan tertinggi terjadi pada aspek pengetahuan formulasi pakan, yaitu 45 poin persentase, diikuti pengetahuan proses produksi pakan 44 poin persentase, pengetahuan bahan baku pakan alternatif 42 poin persentase, dan pengetahuan kandungan nutrisi pakan 41 poin persentase. Hasil tersebut menunjukkan bahwa pendekatan pelatihan, praktik langsung, dan pendampingan efektif dalam meningkatkan kapasitas peserta dalam pengelolaan pakan alternatif. Kesimpulan: Penerapan inovasi pakan berbasis ikan rucah yang dipadukan dengan formulasi pakan dan suplementasi enzim fitase dapat menjadi strategi pemberdayaan untuk meningkatkan kapasitas pembudidaya dalam menghasilkan pakan secara mandiri. Pendekatan partisipatif ini berpotensi mendukung efisiensi dan keberlanjutan usaha budidaya lele serta pengembangan kawasan minapolitan berbasis budidaya air tawar. Kata kunci: budidaya ikan lele, efisiensi produksi, ikan rucah, minapolitan, pakan alternatif, pemberdayaan masyarakat _____________________________________________________________ Abstract Background: High feed costs remain a major constraint to the sustainability of small-scale catfish farming. Utilizing locally available resources as alternative feed ingredients may reduce dependence on commercial feed while improving production efficiency. Objective: This community-based intervention aimed to strengthen farmers’ capacity to formulate and produce trash-fish-based alternative feed to support more efficient catfish production in Tambaksari Village, Rowosari District, Kendal Regency, Indonesia. Method: A participatory approach was implemented through structured training, hands-on feed formulation and production, application in catfish farming, and follow-up assistance. The intervention focused on utilizing trash fish as a locally available protein source and incorporating phytase supplementation to improve nutrient utilization. Intervention effectiveness was assessed using pre- and post-tests measuring participants’ understanding of alternative feed ingredients, formulation, nutritional composition, and feed production processes. Result: Participants’ overall knowledge increased from 44% at baseline to 87% following the intervention, representing a 43-percentage-point improvement. The greatest gain was observed in feed formulation knowledge (45 percentage points), followed by feed production processes (44 points), alternative feed ingredients (42 points), and nutritional composition (41 points). Conclusion: The participatory combination of training, hands-on practice, and follow-up assistance effectively strengthened farmers’ capacity to produce trash-fish-based alternative feed. This approach offers a feasible community empowerment strategy for improving feed self-sufficiency and production efficiency while supporting the sustainability of small-scale catfish farming and the development of freshwater aquaculture-based minapolitan areas. Keywords: alternative feed, catfish farming, community empowerment, minapolitan, production efficiency, trash fish