Tanaman Kelapa merupakan salah satu komoditas perkebunan yang telah lama dikenal dan sangat berperan bagi kehidupan masyarakat. Beroperasinya Industri kelapa terpadu ini akan membantu perputaran ekonomi daerah dan pada gilirannya pendapatan daerah dan masyarakat petani akan ikut terangkat. Tujuan dari penelitian ini untuk melakukan analisis kelayakan industri kelapa terpadu. Metodologi yang digunakan adalah pengumpulan data primer dan sekunder ke daerah penghasil kelapa. Analisis kelayakan meliputi aspek teknis teknologis, aspek kelayakan pasar dan pemasaran, aspek finansial dan aspek dampak sosial dan lingkungan. Salah satu alternatif untuk meningkatkan nilai tambah dan efisiensi usaha perkebunan kelapa rakyat adalah dengan mengembangkan usaha pengolahan kelapa terpadu yaitu pendirian pabrik kelapa terpadu kapasitas kecil. Industri kelapa terpadu kapasitas kecil berpotensi untuk dikembangkan di perkebunan kelapa  dengan kapsitas pengolahan 20.000 butir kelapa/hari. Berdasarkan perhitungan neraca massa pada proses produksi, maka setiap 20.000 butir kelapa/hari dapat menghasilkan dessicated coco 1.860 kg/hari, coco powder 1.172 kg/hari, minyak kelapa 632 kg/hari, coir fibre 11.250 kg/hari, briket arang 2.880 kg/hari, asap cair 2.880 liter/hari dan nata de coco 117.600 gelas/hari. Dari analisis secara teknis dapat disimpulkan bahwa pengembangan industri kelapa terpadu 20.000 butir kelapa/hari layak untuk direalisasikan. Pendirian industri kelapa terpadu kapasitas 20.000 butir/hari membutuhkan modal investasi sebesar Rp 13.435.000.000,- dengan modal kerja untuk selama 3 (tiga) bulan sebesar Rp   2.963.145.150 ,-. Hasil perhitungan NPV berdasarkan aliran kas bersih pada proyeksi arus kas industri kelapa terpadu  Rp 3.493.291.768 ,- pada discount factor (DF) 20% dan nilai IRR adalah 27.67%. Sedangkan masa pengembalian modal (PBP) tercapai selama periode 3,53 tahun  dengan nilai Net  B/C sebesar  1,26. Dari hasil Analisa sensitivitas yang dilakukan, dihasilkan bahwa dengan penurunan harga produk sebesar 5% dan kenaikan harga beli bahan baku 10% tetap layak. Mengingat dalam praktiknya bunga bank 17,5% dan perubahan harga beli bahan baku selalu berhubungan positif dengan harga jual produk, sehingga dengan hasil Analisa sensitivitas tersebut, diproyeksikan kegiatan usaha  ini layak diimplementasikan. Kata kunci: Kelayakan, Industri Kelapa Terpadu, Dessicated Coco

Gedi (Abelmoschus Manihot L.) is a tropical plant in the Malvaceae family, one of the groups of plants in the herbal community. Gedi plants are known to contain flavonoids, hormones, alkaloids, tannins and phenolic compounds. An ultrasonic extraction tool is used in the extraction process of Gedi leaves. The objective of the study is to know the yield and analyze Gedi leaf extract, including proximate analysis and active substance components with LCMS-QTof. The material used is Gedi leaves from Manado. Ultrasonic extraction was carried out with a dry Gedi leaf ratio and Ethanol 1:40 (m/v) with a time of 30 minutes. The concentration of the extract is with a rotary evaporator temperature of 50-60°C. The yield of the extract of Gedi leaf is 9.86 %. Study of the proximity of dried Gedi leaf powder revealed 27.135% protein, 41.675% carbohydrate, 329 kcal energy, 11.235% water and 13.83% ash material. Meanwhile for proximity products, the Gedi leaf extract contains 0.635% protein, 1.27% carbohydrate, 9.26% total energy, 7.1% water, and 0.635% ash. The active compounds in the Gedi extract have been analyzed using LCMS. Trigonelline, Gentiatibetine, Harman, Periplocoside C, and Biotin were detected using the positive-ionization mode, whereas Chloramphenicol was detected with negative-ionization mode.

No abstract

The use of nanoparticle coolant fluid in the car radiator increases the rate of heat transfer and facilitates the reduction of the overall radiator size. In this study, heat transfer characteristics of tri-hybrid nanofluids-based water/EG (60:40) were analyzed experimental and compared with water/EG (60:40). Four different nanofluids concentrations were prepared by adding 0.05 to 0.3 vol.% of tri-hybrid nanofluids dispersed a mixture of water/ethylene glycol (60:40). Experiments were carried out by varying the flow rate of coolant between 2 to 12 LPM for working temperature of 70 °C, the velocity of airflow remained at an average of 4 m/s, to understand the effect of coolant flow rate on heat transfer. The results showed that the thermal performance of tri-hybrid nanofluids in a water/EG (60:40) mixture has been investigated for volume concentrations of up to 0.3% and working temperature of 70 °C. The maximum enhancement of heat transfer coefficient for air side is observed up to 23.8% at 0.05% volume concentration meanwhile for coolant side is observed at 39.7% at 0.3% volume concentration. The pressure drop and pumping power have the same pattern which increasing in volume concentrations.

Rice (Oryza sativa) is one of the main cereals in the world, especially in Asian countries. Rice bran, one of the byproducts of rice dehulling, has gained a lot of popularity as a functional foodstuff in recent years. The purpose of this study was to extract Ferulic Acid from the phenolic fraction of rice bran oil using the ultrasonic method, followed by antioxidant effectiveness analyses. Oil was extracted from rice bran using the ultrasonic method in an ethanol solvent. The result was analyzed for phenol yields, and contents and the variables tested include concentrations and volumes of ethanol. Furthermore, Antioxidant effectiveness tests were carried out on the highest yields of FA. The results showed the highest yield, 24%, was achieved at an ethanol concentration of 80%, the volume of 200 ml, and 25 grams of rice bran. The ferulic acid content in the phenolic fraction of rice bran oil was 10-20% with the highest Antioxidant Effectiveness of 10.71%.