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All Journal EUGENIA Jurnal Agroekoteknologi Terapan Journal of Agriculture (JoA) AGRI-SOSIOEKONOMI Bulletin of Social Informatics Theory and Application COCOS
Rinny Mamarimbing
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Agriculture, Biological Sciences & Forestry Computer Science & IT Economics, Econometrics & Finance Environmental Science Social Sciences

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RESPON PERTUMBUHAN DAN HASIL JAGUNG MANIS (Zea mays saccharata Sturt) TERHADAP PEMBERIAN PUPUK BOKASHI DAN PUPUK NPK Oktofarin Aniki; Rinny Mamarimbing; Maria. G. M. Polii
COCOS Vol. 10 No. 5 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i3.24361

Abstract

ABSTRACT The aim of research is study the effect of dose of  Bokashi fertilizer and  NPK fertilizer on the growth ant yield of sweet corn. This research has been carried out in the village Taratara districts, Tomohon West, Tomohon city, starting from January 2016 till April 2016. This research using Completely Randomized Design  (RAK) consisting of six treatment and repeated as much three times so at earn eighteen plot. Such treatment is A = Without fertilizer , B = 20 tons Bokashi/ha, C = 300 kg NPK/ha, D = 200 kg NPK/ha + 20 tons Bokashi/ha, E = 300 kg NPK/ha + 20 tons  Bokashi/ha, F = 400 kg NPK/ha + 20 tons Bokashi/ha. The results on variable high observation plant, number leaf, long cobs and weights of cobs,  showed that giving fertilizer Bokashi and NPK do not give influence, but there is a real effect in diameter cobs. Keywords: sweet corn (Zea mays saccharata sturt), bokashi NPK
RESPON PERTUMBUHAN DAN HASIL BAWANG MERAH (Allium ascalonicum L. var Lembah Palu) TERHADAP KONSENTRASI PUPUK ORGANIK CAIR Alfonsus Yudhanto Sara; Selvie Tumbelaka; Rinny Mamarimbing
COCOS Vol. 11 No. 1 (2019): EDISI JANUARI-MARET 2019
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i7.27293

Abstract

ABSTRACT Shallots (Allium ascalonicum L.) is one of the main vegetable commoditis in Indonesia and has many benefits. Shallots are included in the group of spices needed by household consumers as seasonings for cooking and raw materials for the food industry and traditional medicinal ingredients. Based on data from the National Nutrient Database shallots contain carbohydrates, sugars, fatty acids, proteins and other minerals needed by the human body (Waluyo dan Sinaga, 2015). The objective of research was to study the the growh and yield response of shallot (Allium ascalonicum L. var Lembah palu) on liquid organic fertilizer concentration. The research was conducted at field of Agriculture Faculty University of Sam Ratulangi in Manado from July to October 2019. This experiment was designed using a randomized block design with five treatments and five replications. The treatment was concentrations of liquid organic fertilizer which consist of five levels, ahat are ; Po = control, P1 = 1 ml/l water, P2 = 3 ml/l water, P3 = 5 ml/l water, and P4 = 7 ml/l water. Parameters include observations of plant height, number of leaves, number of tubers, fresh weight and day weight of tubers. The results of experiment showed that application of liquid organic fertilizer have an effect to the growth and yield of shallots. In the treatment of 5 ml / l concentration of water produced the highest average production with the number of tubers perump (11 tubers), fresh weight (57,298 grams), and dry weight (50,924 grams). Keywords: Shallot, Concentration, POC, Growth, Yield
The Effect of Addition of Liquid Organic Fertilizer (POC) to Tofu Liquid Waste on POC Kirinyuh to Increase the Number of Tillers of Rice (Oryza sativa L.) Antje Grace Tulungen; Maria G. M. Polii; Jelie Viekson Porong; Stanley A. F. Walingkas; Beatrix Doodoh; Jeane S. M. Raintung; Stella M. Th. Tulung; Rinny Mamarimbing; Tommy Djoice Sondakh
Jurnal Agroekoteknologi Terapan Vol. 4 No. 2 (2023): EDISI JULI-DESEMBER 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v4i2.49395

Abstract

Tofu liquid organic fertilizer (POC limbah cair tahu)  and Kirinyuh liquid organic fertilizer (POC Kirinyuh) will complement each other's nutrient needs and increase rice yields. The study aims to 1) study the effect of adding POC limbah cair tahu to POC Kirinyuh to increase the number of rice plant tillers, 2) obtain the dose of POC limbah cair tahu and POC Kirinyuh in increasing the number of productive tillers of rice plants. The study used a factorial pattern Complete Randomized Design.  The treatment consists of 3 treatments repeated 5 times.  The treatment is: A = 50 ml POC limbah cair tahu/liter water, B = 50 ml POC Kirinyuh/ 1 liter water+50 ml POC limbah cair tahu /liter water, C = 100 ml POC Kirinyuh/ 1 liter water+50 ml POC limbah cair tahu /liter water. The variables observed were the total number of tillers and the number of productive tillers.  The data were analyzed using ANOVA and if there was an effect of treatment, it was continued with the Smallest Real Difference Test (BNT) at the test level of 5%. The results showed that POC limbah cair tahu added to  POC Kirinyuh increased the number of rice plant tillers.  The concentration of 50 ml of POC limbah cair tahu / 1 liter of water added to 100 ml of POC Kirinyuh / 1 liter of water gives the total number of tillers and the highest number of productive tillers at 65.50 and 45.25 per pot. Keywords: number of rice plant tillers, POC tofu liquid waste, POC Kirinyuh Abstrak POC limbah cair  tahu dan POC Kirinyuh akan saling melengkapi kebutuhan hara dan meningkatkan hasil tanaman padi. Penelitian bertujuan untuk 1) mempelajari pengaruh  penambahan POC limbah cair tahu pada POC Kirinyuh untuk meningkatkan jumlah anakan tanaman padi,  2)  Memperoleh dosis POC limbah cair tahu dan POC Kirinyuh dalam meningkatkan jumlah anakan produktif  tanaman padi. Penelitian menggunakan Rancangan Acak Lengkap pola faktorial.  Perlakuan terdiri dari 3 perlakuan yang diulang sebanyak 5 kali.  Perlakuan tersebut adalah: A = 50 ml  POC limbah cair tahu/liter air, B =  50 ml  POC Kirinyuh/ 1 liter air+50 ml  POC limbah cair  tahu/liter air, C =  100 ml  POC kirinyuh/ 1 liter air+50 ml  POC limbah cair tahu/liter air. Variabel yang diamati adalah jumlah anakan total dan jumlah anakan produktif.  Data  dianalisis menggunakan  Anova dan jika terdapat pengaruh perlakuan dilanjutkan dengan Uji Beda Nyata Terkecil (BNT) pada taraf uji 5 %. Hasil penelitian menunjukan bahwa POC limbah cair tahu yang ditambahkan pada  POC Kirinyuh  meningkatkan jumlah anakan tanaman padi.  Konsentrasi 50 ml  POC limbah cair tahu/1 liter air ditambahkan pada  100 ml  POC kirinyuh/1 liter air memberikan jumlah anakan total dan jumlah anakan produktif  paling banyak  yaitu 65,50 dan 45,25 per pot. Kata kunci : jumlah anakan padi, POC limbah cair tahu ,  POC Kirinyuh
Web-Based System for Medicinal Plants Identification Using Convolutional Neural Network Latumakulita, Luther; Mandagi, Franklin; Paat, Frangky; Tooy, Dedie; Pakasi, Sandra; Wantasen, Sofia; Pioh, Diane; Mamarimbing, Rinny; Polii, Bobby; Pongoh, Jantje; Pinaria, Arthur; Tenda, Edwin; Islam, Noorul
Bulletin of Social Informatics Theory and Application Vol. 6 No. 2 (2022)
Publisher : Association for Scientific Computing Electrical and Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31763/businta.v6i2.601

Abstract

Indonesia has a variety of medicinal plants that are efficacious for preventing or treating various diseases. Each region has unique medicinal plants, such as in North Sulawesi, there are many medicinal plants with local names of "Jarak" (Jatropha curcas), "Jarak Merah" (Jatropha multifida), "Miana" (Coleus Scutellarioide), and "Sesewanua" (Clerodendron Squmatum Vahl). This research applies the Convolutional Neural Network (CNN) method to identify the types of medicinal plants of North Sulawesi based on leaf images. Data was collected directly by taking photos of medicinal plant leaves and then using the augmentation process to increase the data. The first stage is conducting training and validation processes using 10-fold cross-validation, resulting in 10 classification models. Evaluation results show that the lowest validation accuracy of 98.4% was obtained from fold-4, and the highest was 100% from fold-2. The third stage was to run the testing process using new data. The results showed that the worst model produced a test accuracy of 80.91% while the best model produced an accuracy of 87.73% which means that the identification model is quite good and stable in classifying types of medicinal plants based on its leaf images. The final stage is to develop a web-based system to deploy the best model so people can use it in real-time
Growth of Potato Mericlone Shoots (Solanum tuberosum L.) At Several Concentrations of Kinetin And Coconut Water Tambun, Vistria; Lengkong, Edy Fredy; Runtunuwu, Semuel David; Supit, Paula C. H.; Tumewu, Pemmy; Inkiriwang, Annatje E. B.; Sompotan, Saartje; Liwu, Suzanne Laura; Doodoh, Beatrix; Mamarimbing, Rinny
Jurnal Agroekoteknologi Terapan Vol. 5 No. 1 (2024): EDISI JANUARI-JUNI 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v5i1.51214

Abstract

This study aims to determine the effect and concentration of kinetin on potato mericlon shoots and to determine the best effect and concentration of coconut water on potato mericlon shoots. This research was conducted at the Plant Genetics Laboratory, Faculty of Agriculture, Sam Ratulangi University, Manado. This study used a completely randomized design (CRD) which consisted of seven treatments namely A0 (control/no treatment), A1 (Kinetin 0.5 ppm), A2 (Kinetin 1.5 ppm), A3 (Kinetin 1.5 ppm), A4 ( Coconut Water 5%), A5 (Coconut Water 7.5%), A6 (Coconut Water 10%). The variables observed were: shoot height, number of leaves, number of roots, and fresh weight. The results showed that the treatment of kinetin and young coconut water had a significant effect on the parameters of shoot height, namely A6 (6.74 cm), number of leaves, namely A1 (8.2 strands) and A6 (8.2 strands), number of roots, namely A3 (11 .3 units) and a wet weight of A3 (0.4591 gram). In this study, a kinetin concentration of 0.5 ppm was good for increasing the number of leaves, and a concentration of 10% coconut water was good for increasing shoot height. Keywords: Potato, Tissue Culture, PGR, Kinetin, Coconut Water. Abstrak Penelitian ini bertujuan untuk mengetahui pengaruh dan konsentrasi kinetin terhadap tunas meriklon kentang dan untuk mengetahui pengaruh dan konsentrasi terbaik air kelapa terhadap tunas meriklon kentangPenelitian ini dilaksanakan di Laboratorium Genetika Tanaman, Fakultas Pertanian, Universitas Sam Ratulangi Manado. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) yang terdiri dari tujuh perlakuan yaitu A0 (kontrol/tanpa perlakuan), A1 (Kinetin 0,5 ppm), A2 (Kinetin 1 ppm), A3 (Kinetin 1,5 ppm), A4 (Air Kelapa 5%), A5 (Air Kelapa 7,5%), A6 (Air Kelapa 10%). Variabel yang diamati adalah: tinggi tunas, jumlah daun, jumlah akar, dan berat basah. Hasil penelitian menunjukan pemberian perlakuan kinetin dan air kelapa muda berpengaruh nyata terhadap parameter tinggi tunas yaitu A6 (6,74 cm), jumlah daun yaitu A1 (8,2 helai) dan A6 (8,2 helai), jumlah akar yaitu A3 (11,3 unit) dan berat basah yaitu A3 (0.4591 gram). Pada penelitian ini, konsentrasi kinetin 0,5 ppm sudah baik untuk peningkatan jumlah daun, dan konsentrasi air kelapa 10% sudah baik untuk meningkatkan tinggi tunas. Kata kunci: Kentang, Kultur Jaringan, ZPT, Kinetin, Air Kelapa
The Effect Of Pgr Kinetin And Coconut Water On The Growth And Development Of The Orchid Dendrobium mirbelianum In Vitro Tungga, AgnesTheresia; Tilaar, Wenny; Tulung, Stella Maria Theresia; Pongoh, Jantje; Mamarimbing, Rinny; Sumayku, Bertje R. A.
Jurnal Agroekoteknologi Terapan Vol. 4 No. 2 (2023): EDISI JULI-DESEMBER 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v4i2.51921

Abstract

This research aims to determine the effect of the concentration of ZPT kinetin and coconut water on the growth and development of orchid shoots. This research was carried out at the Biotechnology Laboratory, Faculty of Agriculture, Sam Ratulangi University Manado from May to June 2023. This research used a factorial experiment in a Completely Randomized Design (CRD) with 5 replications consisting of two factors. The first factor is Kinetin concentration; 1 mg/l (K1), 2 mg/l (K2) and 3 mg/l (K3) and the second factor is Coconut Water Composition; Coconut water 10% (A1), Coconut water 20% (A2), Coconut water 30% (A3) and Coconut water 40% (A4). Data were analyzed using ANOVA and if there was a significant effect, it was continued with the 5% BNT test. The variables observed were: shoot height, number of leaves, number of shoots, and wet weight. The results showed that there was a significant effect on the number of shoots on the single factor Kinetin while the others were not significantly different between the combination of Kinetin and coconut water on the growth and development of orchid shoots, namely on the variable height of shoots, number of shoots, number of leaves and percentage of wet weight of Dendrobium orchid shoots mirbelianum. Keywords: Orchid, Dendrobium mirbelianum, Kinetin, Coconut water, In vitro Abstrak Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi penggunaan ZPT kinetin dan air kelapa terhadap pertumbuhan dan perkembangan tunas anggrek. Penelitian ini dilaksanakan di Laboratorium Bioteknologi, Fakultas Pertanian, Universitas Sam Ratulangi Manado dari bulan Mei sampai Juni 2023. Penelitian ini menggunakan percobaan faktorial dalam Rancangan Acak Lengkap (RAL) dengan 5 ulangan yang terdiri dari dua faktor. Faktor pertama yaitu konsentrasi Kinetin; 1 mg/l (K1), 2 mg/l (K2) dan 3 mg/l (K3) dan faktor kedua Komposisi Air Kelapa; Air kelapa 10% (A1), Air kelapa 20% (A2), Air kelapa 30% (A3) dan Air kelapa 40% (A4). Data dianalisis dengan ANOVA dan jika berpengaruh nyata maka dilanjutkan dengan uji BNT 5 %. Variabel yang diamati adalah: tinggi tunas, jumlah daun, jumlah tunas, dan berat basah. Hasil penelitian menunjukan bahwa terdapat pengaruh nyata terhadap jumlah tunas pada faktor tunggal Kinetin sedangkan yang lain tidak berbeda nyata antara kombinasi kinetin dan air kelapa terhadap pertumbuhan dan perkembangan tunas anggrek yaitu pada variabel tinggi tunas, jumlah tunas, jumlah daun dan persentase berat basah tunas anggrek Dendrobium mirbelianum. Kata Kunci: Anggrek, Dendrobium mirbelianum, Kinetin, Air Kelapa, In vitro
Study Of Types Of Weeds That Have The Potential As Traditional Medicine Ingredients Used By The Community In North Bolaang Mongondow Regency Mamarimbing, Rinny; Doodoh, Beatrix; Tumewu, Pemmy; Tulungen, Antje Grace; Liwu, Suzanne Laura
Jurnal Agroekoteknologi Terapan Vol. 5 No. 1 (2024): EDISI JANUARI-JUNI 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v5i1.52655

Abstract

This research aims to obtain data on weed types that have the potential to be used as medicinal plants and are used by the community in the district. North Bolaang Mongondow Includes 1). Sangkub District, 2) Bintauna District, 3) Kaidipang District, 4) Pinogaluman District. The methods used in this research were field observations and interviews with healers and people who use weed as a traditional medicinal plant. The data/samples that will be taken over 4 sub-districts. The ethnic diversity that exists in Indonesia means that the use of weed as medicine is increasingly diverse. North Sulawesi Province has a wealth of plants as traditional medicines which can be processed to national standards into herbal medicines. The indigenous population in North Bolaang Mongondow Regency consists of the Kaidipang tribe and the Bintauna tribe. Various ethnic groups, including the Sangihe ethnic group and the Mongondow ethnic group, still use weed as an ingredient in traditional medicine. Weeds are wild plants defined as nuisance plants because they interfere with farmers' activities in cultivating crops and can reduce crop production. Apart from disturbing cultivated plants, weeds can be used as medicinal raw materials. Many types of weeds are used by the community as traditional medicine. Certain types of weed have been developed in the form of industrial-scale medicines. These weed species include Peperomia pellucida (L.), Cyperus rotundus L., Heliotropium indicum L., Eleusine indica (L.) Gaernt, Ageratum conyzoides L. The results of the research show that people in East Bolaang Mongondow Regency still use weed as a mixture of traditional medicinal ingredients. Keywords: medicinal plants, potential of weeds as medicinal plants Abstrak Tujuan penelitian ini adalah memperoleh data jenis gulma yang berpotensi sebagai tumbuhan obat dan dimanfaatkan masyarakat di Kab. Bolaang Mongondow Utara Meliputi 1). Kecamatan Sangkub, 2) Kecamatan Bintauna, 3) Kecamatan Kaidipang, 4) Kecamatan Pinogaluman. Metode yang digunakan dalam penelitian ini adalah observasi lapangan, wawancara  pengobat dan  masyarakat pengguna gulma sebagai tumbuhan obat tradisional.  Data/sampel yang akan diambil meliputi 4 kecamatan.  Keanekaragaman etnis yang ada di Indonesia menyebabkan pemanfaatan gulma sebagai obat juga semakin beraneka ragam.  Provinsi Sulawesi Utara memiliki kekayaan tumbuhan sebagai obat tradisional yang bisa diolah berstandar nasional menjadi obat herbal.  Penduduk asli di Kabupaten Bolaang Mongondow Utara terdiri dari suku Kaidipang dan Suku Bintauna. Berbagai etnis diantaranya etnis Sangihe, etnis Mongondow masih erat menggunakan gulma sebagai bahan obat tradisional.   Gulma merupakan tumbuhan liar didefinisikan sebagai tumbuhan pengganggu  karena mengganggu kegiatan petani dalam budidaya tanaman dan dapat menurunkan produksi tanaman.  Gulma selain mengganggu tanaman budidaya, dapat dimanfaatkan sebagai bahan baku obat. Banyak jenis gulma yang dimanfaatkan oleh masyarakat sebagai obat tradisional. Ada jenis gulma tertentu sudah dikembangkan dalam bentuk obat skala industri. Spesies gulma tersebut antara lain Peperomia pellucida (L.), Cyperus rotundus L., Heliotropium indicum L., Eleusine indica (L.) Gaernt, Ageratum conyzoides L. Hasil penelitian menunjukkan bahwa masyarakat di Kabupaten Bolaang Mongondow Timur masih menggunakan gulma sebagai campuran ramuan obat tradisional. Kata kunci: tumbuhan obat, potensi gulma sebagai tumbuhan obat.
Pertumbuhan In Vitro Tiga Varietas Krisan Pada Variasi Media Murashige & Skoog (MS) Kaurow, Tamariska Julita; Mandang, Jeany; Mamarimbing, Rinny
AGRI-SOSIOEKONOMI Vol. 19 No. 1 (2023): Agri-Sosioekonomi
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (163.225 KB) | DOI: 10.35791/agrsosek.v19i1.46756

Abstract

This study aims to determine the growth of three Chrysanthemum varieties on complete MS media, 50% MS and 50% MS which were given coconut water through In vitro culture. This research was conducted from March to May 2022 at the Tissue Culture Laboratory, Faculty of Agriculture, Sam Ratulangi University, Manado. This study used a factorial design in a completely randomized design (CRD) with 2 treatment factors, namely media and varieties consisting of 9 treatments and 4 replications so that a total of 36 bottles, namely MS 100%, MS ½ (MS 50%), MS ½ AK (MS 50% + coconut water 200 ml/l). The variables observed were: plant height, number of leaves, fresh weight, and number of roots. The results of the study showed that the average growth of the 3 Chrysanthemum varieties was better on ½ MS and ½ MS media supplemented with coconut water. The best wet weight on ½ MS+AK media corresponds to the highest number of roots in the same treatment.
PENGELOMPOKAN PALA SIAU (Myristica fragrans Houtt) BERDASARKAN KARAKTER BUAH, BIJI, DAN FULI Runtunuwu, Semuel D.; Mamarimbing, Rinny; Pamandungan, Yefta; Horonis, Seistelin
AGRI-SOSIOEKONOMI Vol. 18 No. 2 (2022)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/agrsosek.v18i2.55221

Abstract

This research was conducted to clustering Siau nutmeg based on the characters of fruit weight, fruit length, fruit width, flesh thickness, seed weight, seed length, seed width, and mace weight. The research was conducted using the Survey Method. The survey was conducted in nutmeg gardens owned by farmers in the village: 1) Dompas, 2) Kanawong, 3) Tanaki, 4) Deahe, 5) Bahu, 6) Lagaeng, 7) Dame, 8) Batusenggo, 9) Batubulan, and 10) Pangilolong . Determination of village based on harvested area. The data were analyzed in clusters using the SPSS Statistical Analysis Program. The grouping was done using the agglomerative method. The two most similar populations of nutmeg will be grouped into one, then will be grouped again with other populations that are most similar. Based on the character of the fruit, seeds, and mace, Siau nutmeg can be grouped into three groups. Group 1 consists of Bahu, Lagaeng, Dame, and Batusenggo populations. Nutmeg in these villages has a fruit weight of 55.7 g, an average seed weight of 9.9 g and a mace weight of 1.5 g. Group 2 consisted of Dompas, Kanawong, Tanaki, and Deahe populations. Nutmeg in these villages has a fruit weight of 46.2 g, an average seed weight of 8.3 g, and a mace weight of 1.7 g. Group 3 consisting of Batubulan and Pangilolong populations. Nutmeg in these villages has a fruit weight of 35.80 g, a seed weight of 6.6 g, and a mace of 1.04 g.
THE EFFECT OF ARABICA AND ROBUSTA COFFEE BLENDS ON CAFFEINE CONTENT, ACIDITY AND ORGANOLEPTIC PROPERTIES OF INSTANT COFFEE Langi, Tineke M; Paat, Frangky Jessy; Kusuma, Samuel D. A.; Oessoe, Yoakhim Y.E.; Liwu, Suzanne L.; Mamuaja, Christine F; Latumakulita, Luther A.; Tooy, Dedie; Rumambi, David P; Pinatik, Herry F; Mamarimbing, Rinny
Journal of Agriculture Vol. 2 No. 02 (2023): Research Articles, July 2023
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v2i02.2806

Abstract

One of the types of coffee in Indonesia that can be processed into instant coffee is Gayo coffee. This research was conducted to find out the quality of instant coffee brewed in a mixture of arabica and robusta Gayo coffee. The method used in this research is a complete randomized design method (RAL) consisting of five treatments of a mixture of arabica coffee and robusta Gayo by making observations on acidity levels (pH), caffeine levels, and organoleptic of instant coffee brewing. The results showed that the mixed instant coffee types of Arabica and Robusta Gayo from each formulation produced different levels of acidity with a pH value of 5.55 – 6.43 and a different caffeine concentration with a value of 2.79% - 3.27% and qualified the quality requirements of the 2014 Indonesian National Standard (SNI) with a caffeine concentration value above a minimum of 2.5%. The brewing taste favored by the panelists was Gayo instant coffee, a mixture of 50% Arabica: 50% Robusta with a mild sour and bitter taste, a pH value of 5.94, and a caffeine content of 3.19%. The color and aroma of the coffee brewing favored by the panelists was Gayo instant coffee, a mixture of 70% arabica: 30% robusta with the quality of the brewing color of dark chocolate, the aroma of a little spice, the pH value of 5.55 , and the caffeine content of 2.79%.
Co-Authors A. G. Tulungen Alfonsus Yudhanto Sara Antje Grace Tulungen Arthur G. Pinaria Beatrix Doodoh Bobby Polii D. M.F. Sumampouw D. M.F. Sumampow David S. Runtunuwu Dedie Tooy Djuhardi N. Joroh Doodoh, Beatrix Frangky J. Paat Frangky Jessy Paat Horonis, Seistelin Inkiriwang, Annatje E. B. Islam, Noorul Jantje Pongoh Jeane S. M. Raintung Jeany Mandang Jelie Viekson Porong Jemmy Najoan Kaurow, Tamariska Julita Kusuma, Samuel D. A. Lengkong, Edy Fredy Lita B. Kapugu Liwu, Suzanne L. Liwu, Suzanne Laura Luther Latumakulita Mamuaja, Christine F Mandagi, Franklin Maria G. M. Polii Maria. G. M. Polii Oessoe, Yoakhim Y.E. Oktofarin Aniki Pemmy Tumewu Pinatik, Herry F Pioh, Diane R. M.N. Rengkung Rumambi, David P Runtunuwu, Semuel David saartje Sompotan Sandra Pakasi Selvie Tumbelaka Semuel D. Runtunuwu Semuel D. Runtunuwu Sofia Wantasen Stanley A. F. Walingkas Stella M. Th. Tulung Sumayku, Bertje R. A. Supit, Paula C. H. Tambun, Vistria Tenda, Edwin Tineke M. Langi Tommy D. Sondakh Tommy Djoice Sondakh Tommy Sondakh Tulung, Stella Maria Theresia Tulungen, Antje Grace Tungga, AgnesTheresia Wenny Tilaar Yefta Pamandungan Yefta Pamandungan