scholarly journals PRELIMINARY STUDIES FOR PRODUCING CRUDE LIPASE FROM TEMPE’S MOULD CULTIVATED IN RICE-HUSK-BASED SOLID MEDIA

2010 ◽  
Vol 7 (2) ◽  
pp. 223-229
Author(s):  
Teuku Beuna Bardant ◽  
Kiky Corneliasari Sembiring ◽  
Achmad Hanafi Setiawan
Keyword(s):  
Rice Husk ◽  
Palm Oil ◽  
Coconut Oil ◽  
Added Value ◽  
Media Composition ◽  
Fermentation Time ◽  
Solid Media ◽  
Oil Derivatives ◽  
Solid Fermentation ◽  
Hydrolysis Activity

The goal of these preliminary studies is to support Indonesian program for increasing palm oil added value through independent production technology based on Indonesian natural resources. Various palm oil derivatives could be synthesized enzymatically using lipase from microbes that available in Indonesia. Tempe's mould is available in abundance in Indonesia and had already been proved for producing lipase. This paper provides information about producing crude lipase from Tempe's mould cultivated in rice-husk-based solid media using palm oil as carbon source. Observed variables include solid media composition, optimum fermentation time, extraction and enriching process of crude lipase. The crude lipase was analyzed its hydrolysis activity on coconut oil and palm oil. The result of these preliminary studies shows that this production process is a simple and tough process and very potential to be developed.   Keywords: lipase, Tempe's mould, palm oil, solid fermentation, rice husk

scholarly journals PENGARUH LAMA FERMENTASI TERHADAP RANCIDITAS MINYAK KELAPA YANG DIPRODUKSI SECARA TRADISIONAL

2015 ◽  
Vol 1 (2) ◽  
pp. 146-152
Author(s):  
Paulus Valentino Patty
Keyword(s):  
Palm Oil ◽  
Peroxide Value ◽  
Fermentation Process ◽  
Average Rate ◽  
Descriptive Analysis ◽  
Coconut Oil ◽  
Palm Fruit ◽  
Fermentation Time ◽  
Rancid Oil ◽  
The Impact

Background: People of Maluku has the habit to cultivate oil palm fruit into oil by fermentation. The fermentation process that traditionally takes place at varying fermentation makes it easier rancid oil. This study aims to determine whether there was an effect on the fermentation time ranciditas coconut oil traditionally produced, ranciditas measured using a peroxide. Methods: The study was conducted at the Laboratory of Basic Chemistry Pattimura University in Ambon on 10 September 2014 with a long fermentation 0 hours (control), 6 hours, 12 hours, 18 hours, 24 hours, and analyzed using descriptive analysis. Results: There is a very real effect ranciditas level lower palm oil contained in the fermentation 6 hours with an average rate of 0.0988 peroxide. Conclusion: Long fermentation influence on ranciditas coconut oil traditionally produced. The impact that an increase in peroxide value is the average with increasing length of fermentation.

Effect of Fermentation Time on the Physicochemical Properties of Palm Oil

2016 ◽  
Vol 11 (4) ◽  
pp. 14
Author(s):  
CHIDIEBERE UCHE ◽  
E.O. EKUMANKAMA ◽  
ADAKU OGBA PROMISE ◽  
KELECHI UCHE ◽  
◽  
...  
Keyword(s):  
Physicochemical Properties ◽  
Palm Oil ◽  
Fermentation Time

scholarly journals Pengaruh Penambahan Minyak Kelapa dan Sawit Terhadap Sifat Fisik dan Tribologi Pelumas SAE 40

Jurnal METTEK ◽  
2019 ◽  
Vol 5 (1) ◽  
pp. 1
Author(s):  
Dedison Gasni ◽  
KM Abdul Razak ◽  
Ahmad Ridwan ◽  
Muhammad Arif
Keyword(s):  
Fatty Acids ◽  
Coefficient Of Friction ◽  
Tribological Properties ◽  
Palm Oil ◽  
Boundary Lubrication ◽  
Viscosity Index ◽  
Coconut Oil ◽  
High Viscosity ◽  
Mineral Oil ◽  
Lubricating Oil

Penelitian ini bertujuan untuk mengetahui efek dari penambahan minyak kelapa dan sawit terhadap sifat fisik dan tribologi pelumas SAE 40. Vegetabel oil, seperti; minyak kelapa dan sawit, memiliki nilai viskositas indek yang tinggi dan sifat pelumasan yang baik terutama didaerah boundary lubrication jika dibandingkan dengan mineral oil (SAE 40). Hal ini disebabkan karena vegetabel oil memiliki kandungan fatty acids yang tidak dimiliki oleh mineral oil. Keunggulan lain dari minyak kelapa dan sawit adanya sifat yang ramah lingkungan karena mudah terurai di alam dan dapat diperbaharui. Pada penelitian ini sifat yang baik dari minyak kelapa dan sawit ini akan dimanfaatkan sebagai zat aditif pada minyak pelumas SAE 40. Pengujian dilakukan terhadap sifat fisik dan tribology dengan penambahan 5%, 10%, 15%, dan 20% berat dari minyak kelapa dan sawit ke dalam minyak pelumas SAE 40. Pengujian sifat fisik terdiri dari pengukuran viskositas pada temperatur 400C dan 1000C dan viskositas index. Pengujian sifat tribologi untuk menentukan keausan dan koefisien gesek berdasarkan ASTM G99 dengan menggunakan alat uji pin on disk. Dari hasil pengujian diperoleh bahwa dengan penambahan minyak kelapa dan sawit kedalam minyak pelumas SAE 40 terjadi peningkatan viskositas indeks. Peningkatan viskositas indeks sebanyak  17% dengan penambahan 20% minyak sawit. Terjadi perubahan sifat tribologi dengan penambahan minyak sawit, berupa penurunan keausan dan nilai koefisien gesek dibandingkan dengan penambahan minyak kelapa. This study aims to determine the effect of coconut and palm oils as additives to physical and tribological properties of SAE 40 lubricating oil . Vegetable oils, such as; coconut oil and palm oil, have high viscosity index and good lubrication properties, especially in boundary lubrication compared to mineral oil. This is due to vegetable oil having fatty acids that are not owned by mineral oil. The advantages of coconut oil and palm oil are environmentally friendly properties because they are biodegradable and renewable. In this study, the good properties of coconut and palm oils will be used as additives in SAE 40 lubricating oil. Tests are carried out on the physical and tribological properties with the addition of 5%, 10%, 15%, and 20% by weight of coconut and palm oils into SAE 40 lubricating oil. Physical properties testing consists of measuring viscosity at temperatures of 400C and 1000C and viscosity index. The tribological test is to determine wear and coefficient of friction based on ASTM G99 using a pin on disc test equipment. From the test results,  it was found that coconut and palm oils as additives into SAE 40 lubricating oil could increase in viscosity index. The increase of  the viscosity index was 17% by adding 20% of palm oil. There was a change of tribological properties in the form of decreasing on the wear and the coefficient of friction with the addition of palm oil compare to addition of coconut oil.

scholarly journals Exploiting the Potential of Biosilica from Rice Husk as Porous Support for Catalytically Active Iron Oxide Nanoparticles

Nanomaterials ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1259
Author(s):  
Ana Franco ◽  
Rafael Luque ◽  
Carolina Carrillo-Carrión
Keyword(s):  
Iron Oxide ◽  
Iron Oxide Nanoparticles ◽  
Rice Husk ◽  
Heterogeneous Catalysts ◽  
Catalytic Performance ◽  
Added Value ◽  
Oxide Nanoparticles ◽  
Porous Support ◽  
Green Materials ◽  
Catalytically Active

Biomass-derived materials are put forward as eco-friendly alternatives to design heterogeneous catalysts. To contribute in this field, we explored the potential of mesoporous biogenic silica (RH-Silica) obtained from lignocellulosic waste, in particular from rice husk, as an inorganic support to prepare heterogenized iron oxide-based catalysts. Mechanochemistry, considered as a green and sustainable technique, was employed to synthetize iron oxide nanoparticles in pure hematite phase onto the biosilica (α-Fe2O3/RH-Silica), making this material a good candidate to perform catalyzed organic reactions. The obtained material was characterized by different techniques, and its catalytic activity was tested in the selective oxidation of styrene under microwave irradiation. α-Fe2O3/RH-Silica displayed a good catalytic performance, achieving a conversion of 45% under optimized conditions, and more importantly, with a total selectivity to benzaldehyde. Furthermore, a good reusability was achieved without decreasing its activity after multiple catalytic cycles. This work represents a good example of using sustainable approaches and green materials as alternatives to conventional methods in the production of high-added value products.

scholarly journals Modeling policy mix to improve the competitiveness of Indonesian palm oil industry

2016 ◽  
Vol 9 (1) ◽  
pp. 231
Author(s):  
Roland Y H Silitonga ◽  
Joko Siswanto ◽  
Tota Simatupang ◽  
Senator Nur Bahagia
Keyword(s):  
Palm Oil ◽  
Value Chain ◽  
Oil Industry ◽  
Added Value ◽  
Government Policies ◽  
Value Chain Analysis ◽  
Policy Mix ◽  
Industry Research ◽  
Chain Analysis ◽  
The Impact

Purpose: The purpose of this research is to develop a model that will explain the impact of government policies to the competitiveness of palm oil industry. The model involves two commodities in this industry, namely crude palm oil (CPO) and refined palm oil (RPO), each has different added value. Design/methodology/approach: The model built will define the behavior of government in controlling palm oil industry, and their interactions with macro-environment, in order to improve the competitiveness of the industry. Therefore the first step was to map the main activities in this industry using value chain analysis. After that a conceptual model was built, where the output of the model is competitiveness of the industry based on market share. The third step was model formulation. The model is then utilized to simulate the policy mix given by government in improving the competitiveness of Palm Oil Industry. Research limitations/implications: The model was developed using only some policies which give direct impact to the competitiveness of the industry. For macro environment input, only price is considered in this model. Practical implications: The model can simulate the output of the industry for various government policies mix given to the industry. Originality/value: This research develops a model that can represent the structure and relationship between industry, government and macro environment, using value chain analysis and hierarchical multilevel system approach.

scholarly journals Analisis Faktor Produksi Kalapa Sawit Rakyat Menurut Tipologi Lahan di Kabupaten Indragiri Hilir Provinsi Riau

2019 ◽  
Vol 7 (1) ◽  
Author(s):  
Heriyanto Heriyanto ◽  
Asrol Asrol ◽  
Detri Karya ◽  
Verry Yarda Ningsih
Keyword(s):  
Palm Oil ◽  
Oil Palm ◽  
Raw Materials ◽  
Least Square ◽  
Added Value ◽  
Dominant Factor ◽  
Factors Affecting ◽  
The Difference ◽  
Cultivation Techniques ◽  
Coastal Land

Heriyanto et al, 2018. Analysis of the Production Factors of the People's Palm Oil According to the Land Typology in Indragiri Hilir Regency, Riau Province. JLSO 7(1): Palm oil commodities are one of the plantation sub-sector commodities that increase the income of farmers and the community, provide processing industry raw materials that create added value. The land cultivated by independent oil palm farmers consists of land land, tidal peatlands, coastal peatlands and coastal land. The difference in typology of this land will contribute to different production. The research aimed to analyze the oil palm production and the dominant factor affecting oil palm production according to the typology of land in Indragiri Hilir Riau Province. The data were analyzed using descriptive statistics and built multiple regression models with the dummy variable method of Ordinary Least Square (OLS). The results of the study showed that the production of oil palm cultivation on land is the highest compared to the typology of tidal peatland, coastal peat and coastal land. The dominant factors affecting palm oil production in Indragiri Hilir Regency were the amount of fertilizer use, labor, age of plants, herbicides and dummy typology of land. In order to obtain optimal production, this study recommended doing oil palm farming in accordance with the correct cultivation techniques in accordance with the characteristics of land typology. Besides that the use of balanced fertilizer (elements of N, P, and K) in accordance with the recommended needed to be applied.

scholarly journals Produksi Enzim Selulase olehAspergillus niger pada Ampas Sagu

2015 ◽  
Vol 16 (1) ◽  
pp. 1 ◽  
Author(s):  
Nora Idiawati ◽  
Elliska Murni Harfinda ◽  
Lucy Arianie
Keyword(s):  
Enzyme Activity ◽  
Aspergillus Niger ◽  
Moisture Content ◽  
Cellulase Enzymes ◽  
Fermentation Time ◽  
Cellulase Enzyme ◽  
Sago Waste ◽  
Solid Fermentation

Production of cellulase by Aspergillus niger was carried out by growing the cultureson sago waste. Sago waste containscellulose that has not been used optimally. Cellulose is a polysaccharide consisting of glucose monomers linked by β-1,4-glycosides bonds. Glycoside bonds in cellulose can be enzymatically hydrolyzed into glucose with cellulase enzymes. Solid fermentation used to produce cellulase on sago waste as substrate was influenced by pH (3 to 6), moisture content(40% to 85%), and fermentation time (4 to 10 days). Products of the cellulase enzyme activity was measured by phenolsulfuricacid method. The results showed that the highest cellulase enzyme activity was 0.172 U/mL obtained at 85%moisture content, pH 5, and 8 days of fermentation time.

scholarly journals Formulasi Nilai Tambah pada Rantai Pasok Minyak Sawit

2016 ◽  
Vol 13 (1) ◽  
pp. 576
Author(s):  
Syarif Hidayat ◽  
Nunung Nurhasanah ◽  
Rizki Ayuning Prasongko
Keyword(s):  
Supply Chain ◽  
Palm Oil ◽  
Smallholder Farmers ◽  
Value Added ◽  
Added Value ◽  
Stakeholder Dialogue ◽  
Fresh Fruit Bunch ◽  
Oil Supply ◽  
Fair Distribution ◽  
Technology Level

In palm oil supply chain (POSC) the smallholder farmers sell their fresh fruit bunch (FFB) to Palm Oil Mills through traders. Palm Oil Mills convert the FFB into crude palm oil (CPO). CPO is sold to the refinery, who converts CPO into frying oil and sends the product to the distributors. The distributors subsequently sell them to the consumers. Each member of the POSC will try to optimize its added value. The aim of this paper is to develop an added value formulation as a function of risk, investment and technology levels of each of the POSC member. To facilitate fair distribution of rewards a concept of added value utility based on rsk, investment and technology level was introduced. To optimize the added value distribution between the members the concept of stakeholder dialogue was used. The selling prices were negotiated between the actors until each reached a satisfactory value, which was ruled by the levels of optimum added value utility. This research is important because the developed model can facilitate a better formula to calculate the fair distribution of added values, therefore ensure its sustainability and improve the total supply chain added value.Keywords:Utility, Value Added, Palm Oil Supply Chain, Exponential FunctionAbstrakPada suatu rantai pasok agroindustri minyak sawit (RPMS), petani menjual tandan buah segar (TBS) ke pabrik CPO melalui pedagang/pemasok. Pabrik CPO merubah TBS menjadi CPO. CPO dijual ke refinery (pabrik minyak goreng), yang merubah CPO menjadi minyak goreng, dan menjualnya melalui distributor kepada para konsumen. Setiap anggota RPMS akan berusaha untuk mengoptimumkan nilai tambahnya masing-masing. Tujuan penulisan makalah ini adalah menyusun formula perhitungan nilai tambah RPMS yang dipengaruhi oleh tingkat risiko, tingkat investasi dan tingkat teknologi yang terkait dengan masingmasing pelaku rantai pasok. Untuk mengusahakan distribusi yang adil dari imbalan maka digunakan pendekatan stakeholder dialogue. Harga jual dinegosiasikan diantara para pelaku RPMS sampai didapat suatu nilai yang memuaskan semua pihak, yang ditentukan berdasarkan utilitas nilai tambah yang optimum. Penelitian ini penting karena model yang dikembangkan dapat memfasilitasi formula yang lebih baik untuk menghitung distribusi nillia tambah yang adil, sehingga akan dicapai keberlangsungan usaha dan meningkatnya nilai tambah total dari RPMS.Kata kunci: Utilitas, Nilai Tambah, Rantai Pasok Minyak Sawit, Fungsi Eksponensial.

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