Research on Modified Cassava Flour (MOCAF) content in three cassava genotypes has been carried out at Laboratorium Sekolah Tinggi Penyuluh Pertanian, Jl. Binjai Km 10 Medan in November 2014. The research objective was to determine the MOCAF yield produced based on cassava genotypes in North Sumatra. Two genotypes and one variety of cassava were used as samples, Adira-1 (V1) variety, Malaysia (V2) and Merah/Gondoruwo (V3) genotypes. Fermentation using BIMO-CF starter with 24 hours soaking time. The results showed that MOCAF yield of three genotypes/varieties ranged from 33-38%. The highest yield was found in Malaysia genotype, followed by Merah/Gondoruwo and Adira-1, respectively 38%, 35% and 33%.
Penelitian Etnobotani tumbuhan mangrove di Kawasan Kampung Nipah Dusun III Desa Sei Nagalawan Kecamatan Perbaungan Kabupaten Serdang Bedagai Sumatera Utara. Bertujuan untuk mengetahui jenis-jenis tumbuhan mangrove yang dimanfaatkan oleh tiap Etnis. Metode yang digunakan dalam penelitian ini adalah metode deskriptif dengan metode survey dan tehnik wawancara semi terstruktur yaitu mengidentifikasi jenis-jenis tumbuhan mangrove yang dimanfaatkan. Data yang dicatat adalah nama lokal, nama latin, nama family bagian tumbuhan yang digunakan, dan cara pemanfaatannya. Hasil penelitian diperoleh 8 jenis tumbuhan dari 8 famili yang dimanfaatkan. Masing-masing famili hanya memiliki 1 jenis tumbuhan mangrove yaitu Acanthus ilicifolius (Acanthaceae), Avicennia marina (Avicenniaceae), Nypa fruticans (Arecaceae), Rhizophora apiculata (Rhizophoraceae), Scaevola tacada (Goodeniaceae), Hibiscus tiliaceus (Malvaceae), Strychnos sp (Loganiaceae) Morinda citrifolia (Rubiaceae). Kata kunci : Etnobotani, Jenis Mangrove, Kampung Nipah.
Desa Gunung Serawan, Kecamatan Bandar Masilam terletak sekitar 145 km dari kota Medan. Sebagian masyarakat yang memiliki ladang dan lahan pekarangan telah memanfaatkan dengan menanami kakao. Kualitas biji kakao yang dihasilkan masih rendah sehingga nilai jualnya juga rendah. Akibatnya pendapatan petani dari kebun kakao juga masih rendah. Rendahnya kualitas biji kakao antara lain bersumber dari proses fermentasi yang kurang sempurna serta proses pengeringan yang kurang baik. Proses fermentasi masih menggunakan karungkarung bekas sehingga banyak biji yang busuk. Pengeringan biji kakao dilakukan di halaman rumah dan masih mengandalkan panas dari sumber matahari sehingga permasalahan muncul pada kondisi cuaca kurang baik. Proses pengeringan seperti ini menyebabkan biji kakao masih mengandung kadar air yang tinggi sehingga dapat menyebabkan busuk terserang cendawan atau jamur. Kelompok tani Sri Gunung dan Serawan Jaya telah mencoba mengatasi hambatan-hambatan ini. Faktor kurangnya modal dan pengetahuuan menyebabkan program kelompok tani tersebut mengalami kendala. Tim pengabdian pada masyarakat USU memberikan solusi dengan cara pembuatan peralatan fermentasi dan pengeringan biji kakao yang dirakit bersama-sama dengan masyarakat agar selain mereka akan memiiki peraatan yang mereka butuhkan juga terjadi transfer ilmu dan teknologi yang dapat mereka kembangkan kelak ke depan.
Coffee is individual of the other plantation supplies that has a great commercial worth amid other estate harvests and plays a significant role as a basis of external exchange. This research aims to identify and determine the morphological characters of coffee plants (Coffea sp) in the three Sub-Districts Merek, Naman Teran, and Simpang Empat, Districts of Tanah Karo, North Sumatera, Indonesia. The research was conducted in 2019 which consisted of 27 plant samples. This research is an exploratory research which is conducted by survey and the sample is taken by using accidental sampling method. Observation of coffee morphological characters based on the IPGRI (International Plant Genetic Resources Institute) descriptor manual. The results showed that 27 coffee accessions found in each location had a relatively close similarity distance with the farthest kinship value of 8.813 found in the K26 and K8 accessions.
Manilkara zapota L was included plant which the most popular in South East of Asian. The society also used young fruit, bark, and Sapilla Manila Leaf as tradisional medicine diaerrhea resistant, because substance of tanin was contained in it could hampered and killed the number of bacterias such as Shigella, Salmonella thypii, Escherichia coli. This research purposed for knowing ability of blocked energy from exstract Sapilla Manila Leaf towards Escherichia coli. This research experimentalsm with used qualitatif methode and diffusion methode. Concentration extract of Sapilla Manila Leaf which was used namely 5%, 10%, 15%, 20% with 5 times,. The result of research showed that extract Sapilla Manila Leaf with each that concentrat have not hampered growth of Escherichia coli. The possibility was caused by several factors such as the concentration level of the extract, the nature of the bacteria used and the tools used in the solvent evaporation process.
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