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Douwes D. Malik
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Agriculture, Biological Sciences & Forestry

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KEHILANGAN HASIL PADA PENGERINGAN DAN PENGGILINGAN GABAH DI MINAHASA Claudia Ruaw; Frans Wenur; Douwes D. Malik; Handry Rawung
COCOS Vol. 2 No. 4 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i4.1801

Abstract

ABSTRACTThe main problem in the post-harvest handling of paddy that often facing by the farmers is the high value of looses during post harvest. The looses occur when the paddy grains scattered during harvest or post harvest handling. This study aimed to calculate the losses of paddy grains during drying and milling in Minahasa Region. The research was conducted in Karondoran village, the east part of Langowan, Tolok village of Tompaso and in the Post Harvest Laboratory, Faculty of Agriculture, Sam Ratulangi University for 3 months. The drying looses was determined by the weight and the moisture content of the paddy samples before and after the drying process. While the looses during milling was determined by comparing the rendemen of millling and the milling yield generated in the laboratory. The result indicated that the average looses of drying in Minahasa was 2,19% while the average looses of milling in Minahasa was 2,12%.Keywords : drying, milling, looses
KAJIAN PENGGUNAAN WADAH PENGEMASAN TERHADAP MUTU CABE RAWIT (Capsicum frutescens) YANG DISIMPAN PADA RUANG PENDINGIN Diliyanti O. Kapoh; Frans Wenur; Douwes D. Malik; Stella M.E. Kairupan
COCOS Vol. 7 No. 6 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v7i6.13896

Abstract

ABSTRACTThe objectives of the study were to measure the changes of water content, the weight losses, changes in color, texture and to determine the level of damage that occurs during storage chili pepper in a cold room and get the right kind of packaging to preserve the quality of chili pepper. The research uses descriptive method with three packaging treatments and three replications. The treatment consisted of (1) packing within bamboo baskets, (2) packaging in the nets sacks, and (3) packing within plastic bags, HDPE (high density polyethylene). The results showed that chili stored at cold temperatures (6-10 oC) using plastic bags deliver the lowest lost 1.37% after being stored for 20 days compared to the net bag packaging with the losses of 35.98% and packaging bamboo basket with a loss of 18.22%. Chili packed with plastic bag showed the water content of 57.8% higher than net bag packaging of 40.73% and a bamboo basket with a water content of 52.85%. The hardness value of the base was 0.00025 mm/g, the middle section of 9.89 m/g, and the end of 75.20 mm/g. The damage percentage of chili pepper stored by using bamboo basket packaging was 10.09%, and within the net bag packaging was 16.32% while packaging in the plastic bag was 8.13%.Keywords : Packaging, chili pepper, cold storage
UJI UNJUK KERJA ALAT PENGERING TIPE RAK MODEL TETA’17 PADA PENGERINGAN BIJI PALA Rosnawati M. Kasim; Douwes D. Malik; Handry Rawung
COCOS Vol. 9 No. 4 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i9.17832

Abstract

ABSTRACTNutmeg (Myristica Fragrans Houtt) is a native Indonesian plant that is very potential as a commodity trading at home and abroad. It has long been known as a spice plant and has an important position as a source of essential oil needed in various industries, such as food, medicine, perfume, cosmetics, and others (Rukmana, 2004). Nutmeg plants have the advantage that almost all parts of the fruit can be used, ranging from the fuli (red objects that wrap the skin of the seeds), nutmeg and nutmeg flesh. The aim of this research is to determine the characteristics of drying of nutmeg seed using rack type dryers including temperature change, relative humidity, material weight, airflow rate, air volume flow rate, water content of material, time of drying rate, and drying rate water. This research uses descriptive method of drying process used temperature below 55ËšC repeated as much as 3 (three) times until reaching water content 8 - 10% bk. The result of the observation showed that during the drying process there was recorded an outer Rh of the dryer between 83.28% -89.50%. Also the Rh in the dryer was observed and recorded ranging from 86.58% -97.91%. The moisture content of the nutmeg during the drying process decreased from 38.75% down to an average of 18.05% with the details on the shelf one 6.54%, the shelf two 8.28% and the third rack 9.70%. With a 12 hour observation time.Keywords: Model shelf dryers teta'17 models
Co-Authors Claudia Ruaw Diliyanti O. Kapoh Frans Wenur Handry Rawung Kapoh, Diliyanti O. Rosnawati M. Kasim Stella M.E. Kairupan