scholarly journals Chemical Composition of Parenchyma and Vascular Bundle from Elaeis guineensis

2021 ◽  
Author(s):  
Sitti Fatimah Mhd. Ramle

Elaeis guineensis is an alternative source of raw materials for renewable energy in Malaysia. Thus, to enhance the use of the abundant biomass generated by the oil palm industry in Malaysia, a study was conducted in view of exploring the chemical composition such as sugar potential of this industrial byproduct. In this context, oil palm trunks were separated into individual cell that are parenchyma and vascular bundle to investigate the fundamental research about oil palm trunk. The aim of this study was to examine the chemical composition of parenchyma and vascular bundle of oil palm trunk. The oil palm trunk was kept under shade at room temperature of 28–30°C for 0, 45, and 60 days. The chemical composition analysis was carried out according to TAPPI methods. Based on storage time and different part of oil palm trunk, the result has shown that the sugar content was higher in parenchyma compared to vascular bundle and increase at the storage time of 0, 45, and 60 days while amount of starch showed decrease at the same storage time. It shows that conversion or fermentation of starch to sugar occur in oil palm trunk during storage times of 0, 45, and 60 days, respectively.

2013 ◽  
Vol 64 (2) ◽  
Author(s):  
Tan Yi Jun ◽  
Ida Idayu Muhamad

This study was conducted to develop the method of extracting beta-glucan from the fiber of Elaeis guineensis or oil palm trunk (OPT) and to evaluate its potential. From the previous studies, beta-glucan usually extracted from barley, oats and also bacteria. In this research, wet separation method which is also known as aqueous alcohol method was used to extract beta-glucan from the oil palm trunk fiber. This indirect method of producing beta-glucan was found optimized at conditions of 50% of ethanol as solvent, 4 hours pretreatment duration and temperature of 70ºC. Finally beta-glucan was analyzed by enzymatic method and the percentage of beta-glucan extracted in this study was 34.17 percent.


2015 ◽  
Vol 134 ◽  
pp. 534-540 ◽  
Author(s):  
Junidah Lamaming ◽  
Rokiah Hashim ◽  
Cheu Peng Leh ◽  
Othman Sulaiman ◽  
Tomoko Sugimoto ◽  
...  

2021 ◽  
Vol 9 (16) ◽  
pp. 57-68
Author(s):  
Halyna Voloshchuk ◽  

Subject of research – sugar content in rye bread with fractionally defatted flour from walnuts, pumpkin seeds, sesame and Jerusalem artichoke powder. The purpose – to investigate the chemical composition of sugars in flour from oilseed meal and to explain the impact of new raw materials upon the sugar content in bread made from rye flour. Materials and methods. For the production of pilot of bread used: rye flour; fermented rye malt; table salt; drinking water; ready liquid rye sourdough (composition: Lactobacillus plantarum 30, L .casei 26, L. fermenti 34, L .brevis and Saccharomyces minor "Chernorichenskaya", S. cerevisiae L1); fractionally defatted flour from walnuts, pumpkin seeds and sesame produced by PE "Research and Production Company "Elitfito"; Jerusalem artichoke powder "Dar". The dough was prepared in a three-phase way: liquid sourdough – saccharified choux – dough. Jerusalem artichoke powder and oilseed meal were added to the dough. The chemical composition of sugars in raw materials and bread was determined by high-performance liquid chromatography. The effect of fractionally defatted flour on the course of processes in rye dough was performed on a farinograph and amylograph of Brabender. The intensity of gas formation of the dough was determined on the device AG-1. Changes in the crystal structure of the bread crumb were performed using X-ray phase analysis on the device DRON UM-1 in the range of angles 2θ from 5 to 60 degrees. Results. It is established that the share of sugars in flour from oilseed meal is 2 ... 8 times higher than the content of sugars in rye flour. The content of sugars in fractionally defatted flour from walnuts is 43.0 %, from pumpkin seeds – 14.2 %, from sesame – 12.8% by weight of dry matter. Up to 80% of all sugars in fractionally defatted flour are sucrose and maltose. The ratio of fructose to glucose in fractionally defatted flour from walnuts is 1:1.25; from pumpkin seeds – 1:0.73; of sesame seeds – 1:0.5. The addition of 7.0 % fractionally defatted flour mixed with 3 % of the Jerusalem artichoke powder reduces the mass fraction of sugars in bread compared to the bread made with Jerusalem artichoke only. It has been studied that fractionally defatted flour from walnuts, pumpkin seeds and sesame reduces the hydrolytic decomposition of rye flour starch and promotes the process of fermentation of sugars. Scope. A mixture of fractionally defatted flour from oilseed meal in the amount of 7 % should be used for the production of bread from rye flour with 3 % Jerusalem artichoke powder to the mass fraction of flour to reduce the content of high glycemic starch sugars.


2017 ◽  
Vol 28 (2) ◽  
pp. 523
Author(s):  
Juan Sierra Márquez ◽  
Lucellys Sierra Márquez ◽  
Jesus Olivero-Verbel

The objective of this research was to highlight the economic importance of the optimal use of products and byproducts of oil palm. In Colombia, productive crops per hectare can generate, over one year, an average of 3.14 tons of oil, and up to 21.68 t of solid and liquid waste when the plant is on a productive stage. These data allowed the researcher to estimate that more than nine million of t of solid and liquid waste was produced from the 450 131 ha present in 2014, in Colombia; the produced biomass was used to generate energy and steam, releasing carbon dioxide back again into the environment. These residues have great potential in many industries, some to be developed, therefore, it is of special importance to try to maximize the use of waste produced by oil palm production, to generate economic and environmental benefits. An example of this is the palm kernel cake, with a nutritional potential in animal feed, fiber in the biocompound industry, biomass and stipe in the timber industry, glycerol, biodiesel, and liquid effluents in the chemical and biotechnological industry. The use of these raw materials may help to establish a positive balance in the cultivation of this species of oil palm in the country. 


Author(s):  
Ihwan Rahmadi

Palm oil palm is one of the solid waste produced by oil palm plantations every harvest. Chemical analysis of palm oil palm oil pellets showed that there are components of cellulose, hemiscellulose, and lignin that show that palm oil pellets have the opportunity to be further processed into useful and economically valuable products. Palm waste contains cellulose by 34.89%, hemiscellulose by 27.14%, and lignin by 19.87%. The analysis conducted on raw materials includes the analysis of water content and cellulose levels of palm oil palm oil. 46.6% and cellulose levels of 29.2%. In this study quantitative analysis was conducted in the form of cellulose conversion and oxalic acid yield. The largest cellulose conversion was obtained at the use of 70% nitric acid concentration and 80 minutes reaction time of 58.56%.


2020 ◽  
Vol 8 (1) ◽  
Author(s):  
Zainudin Zainudin ◽  
Emi Roslinda ◽  
Iswan Dewantara

The national plywood industry is declining, 6ut of the 100 existing wilt plywood companies, only 40% are still active. Many plywood companies have closed due to difficulties in obtaining raw materials and increased production costs due to the global crisis..The purpose of this study is to examine the economic condition of the community due to changes in land use into oil palm plantations. This research is located in Sungai Asam Village, Kubu Raya Regency. Purposive sampling is taken. Data analysis uses household level income analysis. The analysis uses survey techniques and direct interviews to respondents. The results of the expansion of oil palm plantations have given a change to the Sungai Asam community, which has had an impact on the economy of the communities surrounding the plantations. The expansion of oil palm plantations in Sungai Asam Village, Sungai Raya district, Kubu Raya Regency, has given a change to the community, where this change has an impact on the economic conditions of the communities around the plantation. The reduction in land area that occurred before the expansion was 15.437 Ha after the expansion to 6.435 Ha, the reduction of the land occurred, whereas on the contrary the community owned before and after the expansion was reduced but not significant. Income changes occurred before the expansion of income, which was originally Rp 1,286,011,992 / year, after the expansion to Rp 1,244,443,992 / year.Keyword : Change, Impact, Income


2021 ◽  
Vol 39 (1) ◽  
pp. 1
Author(s):  
Nyak Ilham ◽  
NFN Ashari ◽  
IGAP Mahendri ◽  
S. Wulandari

<p class="A04-abstrak2"><span>The area of oil palm plantations is now reaching 14.7 million hectares, and it is an opportunity for Indonesia to develop an integrated beef cattle industry with the oil-palm integrated system. However, the development of this system is not yet massive. The problem among others is the plantation area owned by the smallholder farmers which is not sufficient for grazing area. To formulate concentrate feeds for the cattle, farmers need supports from palm oil processing companies for its raw materials. This paper is prepared as a literature review aimed at analyzing the prospects and constraints, legal aspects, and stakeholders' role in developing cattle-oil palm integration. This paper concludes that there is ample opportunity to develop an oil palm-cattle integration system. Furthermore, oil palm industry development requires legal aspects, the number of farmers and companies, and the organizations. A policy is needed to develop an oil palm-cattle integration system, coordinated by the Coordinating Ministry for Economic Affairs. The needed policies among others organizing smallholders involved in the integration system for easier access to technologies, extension, livestock health services, and access to feed raw materials such as palm kernel cake and sludge. Sustainability of oil palm-cattle integration efforts in the regions is needed to extend the status of current regulations regarding the integration system from Governor and Regency Regulations into Regional Regulations.</span></p>


2020 ◽  
Vol 8 (3) ◽  
pp. 340
Author(s):  
Dimas Triwibowo ◽  
Prabu Satria Sejati ◽  
Mohamad Gopar ◽  
Sudarmanto Sudarmanto ◽  
Fazhar Akbar ◽  
...  

The aim of this study was to determine the physical and mechanical properties of Cross laminated timber (CLT) made from oil palm (Elaeis guineensis. Jacq) stem waste combined with thinned platinum teak (Tectona grandis ) wood. CLT was made into two types, namely CLT type A (teak-palm-teak) and CLT type B (teak-teak-teak). The CLT was 150 cm in length and 20 cm in width, with variation of the thickness of 3,0 cm, 4,5 cm, and 6,0 cm, and the glue spread of 300 g/m². The results showed that CLT type B has better physical and mechanical properties than CLT type A. Generally, CLT made of lamina with a thickness of 4,5 cm showed the best performance of physical and mechanical properties. Platinum teak and palm oil stem waste have the potential to be used as a source of CLT raw materials because of the moisture content, flexural modulus (MOE), and fracture modulus (MOR) that meet the JAS 1152 standard.Keywords: Cross laminated timber, platinum teak, oil palm stem, physical properties, mechanical properties


BioResources ◽  
2021 ◽  
Vol 16 (3) ◽  
pp. 6015-6030
Author(s):  
Rahma N. Komariah ◽  
Takuji Miyamoto ◽  
Sukma S. Kusumah ◽  
Soichi Tanaka ◽  
Toshiaki Umezawa ◽  
...  

This study investigated the effects of adding ammonium dihydrogen phosphate (ADP) on the physical and chemical changes of a water-soluble extract of the inner part of oil palm trunk (OPT) to clarify the bonding mechanism of the binderless particleboard. The extract’s effect on ADP-added binderless particleboard was also investigated. OPT particles were treated by hot water at 60 °C for 6 h. Water-soluble extract and treated OPT particles were obtained. ADP was added to the water-soluble extract at 0, 10, and 40 wt%, and the mixtures were heated at 180 °C for 10 min. Furthermore, binderless particleboards using the treated particles were manufactured with similar condition. The 10 wt% ADP mixture changed the water-soluble extract to an insoluble substance, which was twice that of with 0 wt.% ADP addition. Infrared spectroscopy revealed peaks of furan and carbonyl in the insoluble substance. This indicated that the free sugar content in the water-soluble extract would change to furan compounds. Thermal analysis revealed that the resulting insoluble substance had good thermal stability, suggesting a high-molecular-weight substance. The insoluble substance would contribute to bonding of the binderless particleboards. In particular, a significant contribution to the water resistance was observed.


2016 ◽  
Vol 3 (2) ◽  
pp. 60 ◽  
Author(s):  
Godswill Ntsomboh Ntsefong ◽  
Hermine Ngalle-Bille ◽  
Walter Ajambang ◽  
Benoit Constant Likeng-Li-Ngue ◽  
Tabi-Mbi Kingsley ◽  
...  

Palm oil from <em>Elaeis guineensis</em> Jacq. of the Arecaceae family is the main traditional cooking oil in most parts of tropical Africa. Oil palm cultivation requires large areas of land and the consumption of crude palm oil from it raises health concerns notably with regards to the incidence of cardiovascular disease and obesity. The industry has therefore been faced with two major controversies. Firstly, palm oil which contains about 50% saturated fatty acids is considered to be unhealthy for human consumption because its saturated fatty acids raise blood LDL cholesterol level and increase the risk of the above mentioned diseases. Secondly, due to its land intensive nature, the oil palm industry is linked to deforestation, climate change and socioeconomic instability. For these reasons, the oil palm industry has been at the forefront of environmental and reputational challenges. This paper briefly presents an overview of these controversies surrounding the oil palm industry, while highlighting the possible outlets for environmentally friendly production processes and improvement strategies for better oil quality.


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