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Sagu
Published by Universitas Riau
ISSN : 14424424     EISSN : 27164365     DOI : http://dx.doi.org/10.31258/sagu
Core Subject : Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Environmental Science Industrial & Manufacturing Engineering
(SAGU) Agricultural Science and Technology Journal merupakan jurnal ilmiah dalam bidang ilmu dan teknologi pertanian yang diterbitkan oleh Fakultas Pertanian Universitas Riau, Pekanbaru. Jurnal ini diterbitkan dua kali dalam satu tahun yaitu pada bulan Maret dan September
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 281 Documents
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PENENTUAN PRIORITAS PENGENDALIAN PERSEDIAAN PADA INDUSTRI XYZ MENGGUNAKAN KLASIFIKASI ABC Juarsa, Rahmadini Payla; Simalongo, Ariandini; Firdaus, Shiva Ainda; Siburian, Gilbert Ernest
Jurnal Sagu Vol 22, No 2 (2023)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/sagu.22.2.p.%p

Abstract

Industri XYZ merupakan sebuah usaha mikro kecil dan menengah yang memproduksi bermacam olahan untuk sarapan pagi. Produk yang dihasilkan adalah mi kuning, lontong daun, lontong plastik, tahu goreng, dan bumbu kacang. Industri XYZ tidak memiliki sistem dalam melakukan prioritas pengendalian persediaan. Akibatnya sering kali industri mengalami kekurang stok di waktu permintaan tinggi dan mengalami kelebihan stok saat permintaan rendah. Oleh karena itu tujuan dalam penelitian ini adalah mengidentifikasi dan mengklasifikasi produk dengan metode klasifikasi ABC sehingga didapatkan kelas produk yang memerlukan perhatian khusus agar tidak terjadinya kekurangan atau kelebihan persediaan. Klasifikasi ABC adalah metode pengklasifikasian objek berdasarkan nilai keuntungannya. Produk yang memiliki nilai keuntungan lebih besar akan diprioritaskan paling tinggi untuk selalu siap diproduksi dan stoknya selalu ada. Penelitian ini menggunakan data jumlah penjualan dan harga produk pada industri XYZ pada tahun 2022. Hasil penelitian menunjukkan bahwa mie kuning dan lontong daun termasuk kedalam kelas A, lontong plastik termasuk dalam kelas B, dan tahu goreng serta bumbu kacang termasuk dalam kelas C. Produk yang termasuk ke dalam kelas A perlu mendapatkan prioritas tinggi karena memiliki kontribusi lebih besar dari 75% dari total keuntungan industri. Sedangkan produk yang termasuk kelas B mendapatkan prioritas sedang dan produk dalam kelas C mendapatkan prioritas rendah untuk dilakukan pengendalian persediaan.
KONSENTRASI ASAM FOSFAT (H3PO4) TERHADAP KARAKTERISTIK ARANG AKTIF DARI TEMPURUNG BUAH NIPAH Saitun, Saitun; Pato, Usman; Zalfiatri, Yelmira
Jurnal Sagu Vol 23, No 1 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/sagu.23.1.p.%p

Abstract

This study aims to obtain selected characteristics of activated charcoal made from Nypa fruitcans shell with the help of phosphoric acid as an activator. This study was conducted using a completely randomized design (CRD) with four treatments and four replications. The treatments in this study used some concentration of phosphoric acid namely; H3PO4 7,5%, H3PO4 10%, H3PO4 12,5%, and H3PO4 15%. Paremters observe were the yield, moisture, ash, volatile matter and pure carbon contents as well as iodine absorption. The data obtained were analyzed statistically using statistical software IBM SPSS version 23 with an analysis of variance (ANOVA) test, if Fcount ≥ Ftable and continued with Duncan's multiple range test (DMRT) at level 5%. The results showed that increasing the concentration of phosphoric acid used significantly eaffected all parameters on the activated charcoal. Activated charcoal with the best treatment was found in the N4 treatment with a yield 77.78%, moisture content 3,80%, ash content 6.86%, volatile matter content 7.48%, pure carbon content 81,86% and absorption of iodine of 869.27 mg/g.
KONSENTRASI ASAM FOSFAT (H3PO4) TERHADAP KARAKTERISTIK ARANG AKTIF KULIT BATANG SAGU Rahmadini, Yen Yen; Johan, Vonny Setiaries; Kurniawan, Mhd Andhry
Jurnal Sagu Vol 23, No 1 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/sagu.23.1.p.%p

Abstract

Activated charcoal is a material that contains 85-95% carbon elements and is a porous solid. This activated charcoal is the result of heating materials containing carbon at high temperatures but does not oxidize. In this research, the materials used were sago bark and the activator was H3PO4. This study aimed to obtain selected characteristics of activated charcoal made from sago bark waste with several consentration of phosphoric acid as an activator. This study was conducted using a complete randomized design with five treatments and three replications. The treatments in this study were variations in H3PO4 concentration, namely H3PO4 5%, H3PO4 7.5%, H3PO4 10%, H3PO4 12.5%, and H3PO4 15%. Observations were made on yield, moisture content, ash content, volatile matter content, bound carbon content and iodine absorption. The data obtained were analyzed statistically analysis of variance (ANOVA) test, and if Fcount ≥ Ftable then the treatment has a significant effect and the analysis will be continued with Duncan's multiple range test (DMRT) at the level of 5%. The results showed that the increase in phosphoric acid concentration used had a significant effect on yeald, moisture content, ash content, volatile matter content, bound of carbon content, and absorption of iodine. Activated charcoal with the best treatment was found in treatment H3PO4 activator concentration 15% with a yield of 86.85%, moisture content 1.43%, ash content of 4.77%, volatile matter content 14.10%, bound carbon of content 79.68% and absorption of iodine 837.54 mg/g.
SIFAT FISIKOKIMIA SELAI NANAS LEMBARAN DENGAN VARIASI TEPUNG PORANG SEBAGAI PENSTABIL Ashar, Muhammad Asri Bin; Efendi, Raswen; RSH, Ahmad Ibrahim
Jurnal Sagu Vol 23, No 1 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/sagu.23.1.p.%p

Abstract

Pineapple sheet jam products can provide value to pineapple fruit. This study aims to determine the concentration of porang flour as a stabilising agent in terms of physicochemical properties in making sheet jam. The research was conducted experimentally using a completely randomised design (CRD) with four treatments and four replications, resulting in 16 experimental units. The treatment was the addition of flour, namely TP1 (0.25g porang flour), TP2 (0.50g porang flour), TP3 (0.75g porang flour), and TP4 (1.00g porang flour). The parameters observed included moisture content, ash content, syneresis test, total soluble solids (TPT), crude fibre content, and sensory assessment consisting of descriptive test and hedonic test including colour, aroma, taste, elasticity, and overall assessment of jam sheets. The treatment chosen in this study was the TP3 treatment with 0.75g flour addition which had characteristics of 17.17% moisture content, 0.30% ash content, day 2, 3, and 4 syneresis test of 1.89%, 3.42%, and 4.28% respectively, total soluble solids (TPT) of 22.10°Brix, and crude fibre content of 0.05%.
KARAKTERISTIK MUTU VELVA PEPAYA DAN PISANG AMBON Herawati, Netti; Mutiara, Syawatul; Riftyan, Emma
Jurnal Sagu Vol 23, No 1 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/sagu.23.1.p.1-8

Abstract

Velva merupakan salah satu jenis makanan pencci mulut (frozen dessert) yang umumnya terbuat dari campuran pure buah, gula, dan bahan penstabil yang dibekukan sehingga memiliki tekstur halus dan menyerupai es krim. Buah pepaya memiliki aroma yang khas, sehingga jika diolah menjadi produk olahan velva akan menghasilkan aroma yang kurang disukai. Aroma velva pepaya dapat diperbaiki dengan mengombinasikan buah lainnya seperti pisang ambon.  Pisang ambon memiliki aroma yang khas, karena daging pisang ambon mengandung komponen-komponen volatil yang dapat menimbulkan aroma khas dari pisang ambon. Tujuan penelitian ini adalah untuk memperoleh rasio terbaik dari bubur pepaya dan bubur pisang ambon terhadap karakteristik kimia dan sensori velva. Penelitian ini dilakukan secara eksperimen dengan menggunakan rancangan acak lengkap (RAL) dengan lima perlakuan dan tiga kali ulangan sehingga diperoleh 15 unit percobaan.  Perlakuan velva dalam penelitian ini yaitu perbandingan bubur buah pepaya dan pisang ambon meliputi PP1 (70:30), PP2 (60:40), PP3 (50:50), PP4  (40:60), PP5 (30:70).  Data yang diperoleh dianalisis secara statistik dengan menggunakan ANOVA. Jika F hitung lebih besar atau sama dengan F tabel maka analisis akan dilanjutkan dengan uji lanjut duncan multiple range test (DMRT) pada taraf 5%. Parameter yang diamati adalah total padatan, overrun, waktu leleh, kadar serat kasar, vitamin C, dan penilaian sensori. Hasil sidik ragam menunjukkan bahwa jumlah bubur buah pepaya dan bubur pisang ambon yang berbeda berpengaruh nyata terhadap overrun, waktu leleh, kadar serat kasar, total padatan, dan penilaian sensori.  Perlakuan terpilih berdasarkan parameter uji adalah jumlah bubur buah pepaya dan pisang ambon PP3 (50:50) menghasilkan total padatan 27,75%, overrun 7,69%, waktu leleh 14,15 menit, kadar serat kasar 2,40%, vitamin C 23,47 mg, berwarna oranye, berasa pisang, beraroma pisang, dan lembut serta secara hedonik disukai oleh panelis. 
PENGARUH KONSENTRASI MALTODEKSTRIN DAN SARI JERUK NIPIS TERHADAP TINGKAT KESUKAAN ORGANOLEPTIK MINUMAN INSTAN MENTIMUN (Cucumis sativus L.) Zakiyah, Mei Dita Fitrotus; Budiandari, Rahmah Utami; Azara, Rima; Saidi, Ida Agustini
Jurnal Sagu Vol 23, No 1 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/sagu.23.1.p.%p

Abstract

Cucumber are fresh fruit that are commonly consumed, a source of vitamins and minerals, abundant production. Lime juice has a sour taste, high in vitamin C. Both agricultural product commodities have a short shelf life, so processing is required, namely instant powder drink using foam mat drying method. The purpose of this research to determine organoleptic characteristic od cucumber instan drink. This research used RBD  factorial, first factor was maltodextrin concentration (15%, 20%, 25%)and second factor was lime juice concentration (5%, 15%, 25%). Organoleptic characteristic used hedonic scale, data were analyzed used friedmen method. The  best result at 25% maltodextrin concentration and 25% lime juice concentration showed that colour organoleptic 3,47,  aroma organoleptic  3,37, texture organoleptic 3,57 and taste organoleptic 3,93
SIFAT SENSORIS PEMPEK IKAN SARDEN (Sardina pilchardus) DENGAN PENAMBAHAN ISOLATE SOY PROTEIN Vera Yani, Ade; Idealistuti, Idealistuti; Agus Burliansyah, Muhammad; Syahputra, Nico
SAGU Vol. 24 No. 2 (2025): SAGU Journal – Agri. Sci. Tech., September, 2025, Vol. 24 : No. 2
Publisher : Fakultas Pertanian Universitas Riau

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Abstract

This study aims to determine the effect of the addition of soy protein isolate on the sensory properties of sardine fish pempek. This study was conducted at the Laboratory of the Faculty of Agriculture, Muhammadiyah University of Palembang. The method used is an experimental method with a Randomized Block Design (RAK) arranged in a Non-Factorial manner with five treatments, namely P0 (sardine fish pempek without the addition of soy protein isolate), P1 (sardine fish pempek + 2% soy protein isolate), P2 (sardine fish pempek + 4% soy protein isolate), P3 (sardine fish pempek + 6% soy protein isolate), P4 (sardine fish pempek + 8% soy protein isolate). The parameters observed include sensory analysis (color, aroma, taste, and elasticity). The results showed that the addition of soy protein isolate significantly affected the color, aroma, taste, and elasticity. The most preferred treatment was P4 (sardine fish pempek with the addition of 8% soy protein isolate) with average characteristic values of color (4.04), aroma (3.44), taste (3.76), and chewiness (3.56).
EDIBLE COATING DENGAN KONSENTRASI PATI JAGUNG PADA TOMAT SELAMA PENYIMPANAN Mardayansa, Wendra; Hamzah, Faizah; Dewi, Yossie Kharisma
SAGU Vol. 24 No. 1 (2025): SAGU Journal – Agri. Sci. Tech., Maret, 2025, Vol. 24 : No. 1
Publisher : Fakultas Pertanian Universitas Riau

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Abstract

Tomatoes were classified as climacteric fruit with a hightwater content of up to 94%, which caused them to spoil quickly. The method used to extend the shelf life and inhibit spoilage was the application of an edible coating. This research aimed to determine the best concentration of corn starch in the production of edible coating on tomatoes during storage. The study was carried out experimentally using a Complete Randomized Design (RAL). The treatments in this study were the addition of corn starch concentrations, namely P1(control), P2(corn starch concentration 1%), P3(corn starch concentration 2%), P4(corn starch concentration 3%), P5(corn starch concentration 4%), and P6(corn starch concentration 5%). The observed parameters included weight loss, total dissolved solids, vitamin C, hardness, and color. The data were analyzed statistically using analysis of variance (ANOVA) and if the F count ≥ F table then further testing carried out with Duncan's Multiple Range Test (DMRT) at the 5% significant level. The best treatment in this study was obtained at P6with a concentration of 5%. This treatment gave produce weight loss 7.93%, total dissolved solids 1.65°Brix, vitamin C 21.63 mg/100 g, hardness 3.53 kg/f, color basen on L 35.12 (lightness), color basen on a* 24.98 (redness), color basen on b* 2.37 (yellowness).
KARAKTERISTIK MINUMAN ISOTONIK AIR KELAPA MUDA DENGAN PENAMBAHAN SARI BUAH KELUBI Nurmitha, Rossy; Pato, Usman; Riftyan, Emma
SAGU Vol. 24 No. 1 (2025): SAGU Journal – Agri. Sci. Tech., Maret, 2025, Vol. 24 : No. 1
Publisher : Fakultas Pertanian Universitas Riau

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Abstract

Isotonic drinks are carbonated or non-carbonated soft drinks that contain sugar, nitric acid, and minerals to improve fitness. Isotonic drinks can be made from young coconut water by adding fruit juice to complement the nutritional content of isotonic drinks. One of the fruits that can be added is kelubi fruit. Kelubi is a fruit of the Araceae family that has complete nutritional content and is rich in organic acids. The purpose of this study was to determine the selected treatment of isotonic drink from coconut water added with kelubi fruit juice with different concentrations. The research was conducted experimentally using a complete randomized design with four treatments and four replications. The treatments in this study were K1 (3%), K2 (8%), K3 (13%), and K4 (18%). Data were analyzed statistically using analysis of variance, and differences between treatments were analyzed using Duncan’s New Multiple Range Test (DNMRT) at the 5% level. The result showed that the concentration of kelubi fruit juice significantly affected sodium content, potassium content, acidity, total acid, total sugar, and sensory assessment of isotonic drinks. The best treatment in this study was K2 (8%) with a sodium content of 412.40 mg/kg, potassium content of 315.40 mg/kg, pH 3.90, total acid 0.58%, total sugar 12.29%, and descriptive sensory assessment of orange color, kelubi scent, and sweet taste and hedonic assessment including color, aroma, and taste, and overall was preferred by the panelists.  
PENAMBAHAN SELULOSA KULIT PINANG PADA PEMBUATAN PLASTIK BIODEGRADABLE PATI BIJI ALPUKAT Luqmanul Hakim; Zalfiatri, Yelmira; Dewi, Yossie Kharisma
SAGU Vol. 24 No. 1 (2025): SAGU Journal – Agri. Sci. Tech., Maret, 2025, Vol. 24 : No. 1
Publisher : Fakultas Pertanian Universitas Riau

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Abstract

Biodegradable plastic is a type of plastic made from renewable materials and can be produced using materials containing starch, such as in avocado seeds. However, starch-based biodegradable plastic has the disadvantage of low mechanical properties, such as tensile strength and elongation; therefore, it is necessary to add reinforcement, such as cellulose. One potential source of cellulose with a relatively high content is areca nut skin. This study aims to obtain the appropriate concentration of areca nut skin cellulose for the characteristics of biodegradable avocado seed starch plastic. A completely randomized design (CRD) with five treatments and three replications was used in the experimental procedure of the investigation. The treatments in this study were the addition of cellulose S1 (3 g), S2 (4 g), S3 (5 g), S4 (6 g), and S5 (7 g), and the measured characteristics were water absorption, water vapor transfer rate, tensile strength, elongation, and biodegradability. The data obtained were analyzed statistically using analysis of variance (ANOVA). The results showed that the addition of areca nut cellulose significantly affected the water absorption capacity, water vapor transfer rate, tensile strength, elongation, and biodegradability of biodegradable plastics. The selected biodegradable plastic was treatment S1 (3 g), which showed a water absorption capacity of 58.80%, a water vapor transfer rate of 17.03 g/m²/hour, a tensile strength of 30.73 MPa, an elongation of 9.31%, and biodegradability of 44.24%.

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