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All Journal Warta IHP (Warta Industri Hasil Pertanian)
Antara, Ngakan Timur
Balai Besar Industri Agro
Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering

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(The effect of Concentration of Pepper Oleorecin Solution On Rice Quality During Storage) Djanaka, R; -, Soim; Sugesti, Karyati; Antara, Ngakan Timur
Warta Industri Hasil Pertanian Vol 4, No 01 (1987)
Publisher : Balai Besar Industri Agro

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Abstract

 A study on the effect of oleoresin on rice quality during storage has been coducted. Four treatment were done i.e. spraying using pepper oleoresin of 200, 250, 300 ppm and control. Each treatment used 5 kgs rice packed in gunny sacks. Spraying were done on the sacks. Observation on the amounth of rice weevil, texture, taste, flavor and colour, was done every two months. The result showed that up to four months storage, the amounth of weevil in rice sprayed with 250 ppm oleoresin decreased by 70.74% as compared to control, and have the most preffered texture and colour, more preffered flavor as compared to control and no significantly different taste as compared to other treatments. Up to six months storage, the same treatment decreased the amounth of weevil by 49.76%, while those with higher concentration (300 ppm) decreased the weevil by 66.08% but the texture, taste and colour were not significantly different as compared to other treatments.
(Carbon Dioxide as an Organic Solvent : Properties and Application) Antara, Ngakan Timur
Warta Industri Hasil Pertanian Vol 7, No 01 (1990)
Publisher : Balai Besar Industri Agro

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Abstract

Karbon dioksida sebagai pelarut organik memungkinkan untuk diterapkan secara luas karena berbagai kelebihannya seperti sangat mudah dipisahkan dari ekstrak, tidak bersifat racun, tidak mudah terbakar dan relatif murah harganya. CO2 juga memiliki beberapa keterbatasannya misalnya : hanya komponen yang memiliki berat molekul rendah (kurang dari 500 Dalton) yang bisa larut dengan mudah, dan bahan organik (amida, urea, uretan) memiliki kelarutan yang rendah dalam CO2 superkritis. Asam lemak dan trigliserida kelarutannya rendah bahkan khlorofil, asam amino dan garam-garam anorganik tidak larut sama sekali.Hal lain yang perlu mendapat pertimbangan untuk penerapannya CO2 dalam industri adalah investasi. Untuk memulai proses dalam skala besar diperlukan investasi yang relatif besar. Di samping itu, masih tetap perlu dilakukan penelitian lanjutan untuk mendapatkan kondisi optimum, aman dalam operasi dan bisa dipertanggungjawabkan secara komersial.
Co-Authors -, Soim Djanaka, R Sugesti, Karyati