scholarly journals Physicochemical properties, antioxidant capacities, and metal contents of virgin coconut oil produced by wet and dry processes

2018 ◽  
Vol 6 (5) ◽  
pp. 1298-1306 ◽  
Author(s):  
Nurul Aqilah A. Ghani ◽  
Amy-Arniza Channip ◽  
Phoebe Chok Hwee Hwa ◽  
Fairuzeta Ja'afar ◽  
Hartini M. Yasin ◽  
...  
Keyword(s):  
Physicochemical Properties ◽  
Coconut Oil ◽  
Virgin Coconut Oil ◽  
Antioxidant Capacities ◽  
Metal Contents

scholarly journals A Comparative Study of the Physicochemical Properties of a Virgin Coconut Oil Emulsion and Commercial Food Supplement Emulsions

Molecules ◽  
2014 ◽  
Vol 19 (7) ◽  
pp. 9187-9202 ◽  
Author(s):  
Yih Khor ◽  
Soo Koh ◽  
Kamariah Long ◽  
Shariah Long ◽  
Sharifah Ahmad ◽  
...  
Keyword(s):  
Comparative Study ◽  
Physicochemical Properties ◽  
Coconut Oil ◽  
Food Supplement ◽  
Virgin Coconut Oil ◽  
Oil Emulsion

scholarly journals Production, Quantitative Analysis of Fatty Acids, Engine Performance and Emission Characteristics of Biodiesel Fuel Derived from Virgin Coconut Oil

2020 ◽  
Vol 5 (7) ◽  
pp. 1397-1404
Author(s):  
Alex Y ◽  
Roji George Roy
Keyword(s):  
Diesel Engine ◽  
Physicochemical Properties ◽  
Diesel Fuel ◽  
Diesel Engines ◽  
Engine Performance ◽  
Coconut Oil ◽  
Biodiesel Fuel ◽  
Emission Characteristics ◽  
Virgin Coconut Oil ◽  
Performance And Emission

Biodiesel has become more attractive recently, because of its environmental benefits and the fact that it is made from renewable resources. Over the past few decades, most of the countries depending on diesel engines for transportation. Some of its valuable advantages like highest thermal efficiency made it very popular. At the same time, the cost of diesel fuel is increasing, due to the depletion of fossil fuels. In this current scenario, we need an alternative fuel instead of diesel fuel. Many of the researchers have successfully placed several works on generating energy from different types of alternative sources including solar and some kind of conversion processes including renewable agricultural products into liquid fuel. One of the biggest challenges for developing countries in relation to energy consumption is to develop and implement technologies that help to improve efficiency of automobile engines, also to reduce the emissions of harmful gases and particulate matters. In order to avoid environmental impacts, emissions are reduced or eliminated by introducing renewable energy resources. The present research chronicles the production and testing of renewable biodiesel fuel derived from virgin coconut oil on a diesel engine, to analyses the engine performance and emission characteristics. In the first phase of work, production of biodiesel fuel from virgin coconut oil using transeterification process with two types of catalysts (homogenous and heterogeneous). The preliminary results shows that, with the addition of homogenous catalyst called Potassium Hydroxide (KOH) with methanol shows much higher activity than that of heterogeneous catalysts, and it shows more similar properties with diesel fuel. The results obtained from the chemical test and physicochemical properties of transesterified biodiesel fuel clearly proves the above-mentioned statement. The chemical tests such as GCMS and FT-IR clearly shows that the biodiesel fuel has sufficient amount of volatile components and functional groups. Then, physicochemical properties include, Fire point, Flashpoint, density, and viscosity were analyzed. Finally, Engine performance and Emission characteristics were analysed to confirm, whether this biodiesel fuel is suitable for diesel engines, without any engine modifications. It was found to be, the transesterified virgin coconut oil biodiesel has similar properties to that of the diesel fuel. From the physiochemical properties and engine performance clearly shows that, coconut oil biodiesel is suitable for diesel engine on blending, at a blending percentage level of 20% with conventional diesel fuel. Since the obtained transesterified biofuel can be used as an alternative fuel for diesel engines. The several journal reports and find outs from experimental investigation clearly depicts that the efficiency of the transesterified biofuel mainly depends upon the amount of catalyst adding and type of catalysts present in the biofuel, whether it is homogenous or heterogeneous catalyst is suitable with methanol. Finally, from the analysis made from biodiesel fuel. Coconut Oil Biodiesel fuel has less emission characteristics than that of the diesel fuels.

Virgin Coconut Oil: Extraction, Physicochemical Properties, Biological Activities and Its Authentication Analysis

2019 ◽  
Vol 37 (1) ◽  
pp. 46-66 ◽  
Author(s):  
Abdul Rohman ◽  
Irnawati ◽  
Yuny Erwanto ◽  
Endang Lukitaningsih ◽  
Muhamad Rafi ◽  
...  
Keyword(s):  
Physicochemical Properties ◽  
Biological Activities ◽  
Coconut Oil ◽  
Oil Extraction ◽  
Virgin Coconut Oil

scholarly journals Design and development of a nanoemulsion system containing copper peptide by D-optimal mixture design and evaluation of its physicochemical properties

RSC Advances ◽  
2016 ◽  
Vol 6 (22) ◽  
pp. 17845-17856 ◽  
Author(s):  
Shazwani Samson ◽  
Mahiran Basri ◽  
Hamid Reza Fard Masoumi ◽  
Roghayeh Abedi Karjiban ◽  
Emilia Abdul Malek
Keyword(s):  
Particle Size ◽  
Physicochemical Properties ◽  
Coconut Oil ◽  
Mixture Design ◽  
Virgin Coconut Oil ◽  
Design And Development ◽  
Optimum Formulation

The particle size of Virgin coconut oil nanoemulsions was optimized using D-optimal mixture design and the optimum formulation was physicochemically characterized.

PENGARUH VIRGIN COCONUT OIL (VCO) TERHADAP KARAKTERISTIK DAN UMUR SIMPAN ROTI MANIS

2020 ◽  
Vol 5 (1) ◽  
Author(s):  
Aulia Alfi
Keyword(s):  
Moisture Content ◽  
Shelf Life ◽  
Coconut Oil ◽  
Temperature Treatment ◽  
Ash Content ◽  
Virgin Coconut Oil ◽  
Food Ingredients ◽  
Life Analysis ◽  
Antibacterial And Antifungal ◽  
Physical And Chemical

Virgin Coconut Oil (VCO) adalah bahan alami yang memiliki sifat antimikroba (antivirus, antibakteri, dan antijamur). Sehingga VCO dapat memberikan efek pengawet pada bahan makanan, salah satunya adalah roti manis. Penelitian ini dilakukan untuk mengevaluasi pengaruh VCO terhadap karakteristik (fisik dan kimia) dan umur simpan roti manis. Roti manis dianalisis secara fisik (tekstur dan porositas) dan kimia (kadar air, kadar abu, kadar lemak, kadar protein, dan kandungan karbohidrat), dan analisis umur simpan dengan FFA, uji organoleptik dan jamur setiap dua hari selama delapan hari penyimpanan di suhu ruang. Variasi perlakuan roti manis adalah dari rasio konsentrasi VCO: margarin: mentega, K (0%: 8%: 8%); A (4%: 6%: 6%); B (8%: 4%: 4%), C (12%: 2%: 2%); D (16%: 0%: 0%). Hasil penelitian menunjukkan bahwa VCO tidak memiliki pengaruh yang signifikan terhadap karakteristik fisik dan karakteristik kimia roti manis. Namun, VCO berpengaruh signifikan terhadap kadar air roti manis yang dihasilkan, roti manis K memiliki kadar air tertinggi (22,36%) dan berbeda dengan sampel roti manis lainnya. VCO secara efektif menghambat pertumbuhan jamur di roti manis pada konsentrasi 8%, 12%, dan 16%. Roti manis K dan A memiliki masa simpan 4 hari, sedangkan roti manis B, C, dan D memiliki masa simpan 6 hari.Kata kunci: VCO, roti manis, karakteristik, umur simpanABSTRACTVirgin Coconut Oil (VCO) is a natural ingredient that has antimicrobial (antiviral, antibacterial, and antifungal) properties. So that VCO can provide a preservative effect on food ingredients, one of which is sweet bread. This research was conducted to evaluate the effect of VCO on characteristics (physical and chemical) and shelf life of sweet bread. Sweet bread was analyzed physically (texture and porosity) and chemistry (moisture content, ash content, fat content, protein content, and carbohydrate content), and shelf life analysis with FFA, organoleptic and mold tests every two days for eight days of storage at ambient temperature. Treatment variations of sweet breads is from the ratio of the concentration of VCO: margarine: butter, K (0%: 8%: 8%); A (4%: 6%: 6%); B (8%: 4%: 4%), C (12%: 2%: 2%); D (16%: 0%: 0%). The results showed that VCO did not have a significant effect on the physical characteristics and chemical characteristics of sweet bread. However, the VCO has a significant effect on the water content of the sweet bread produced, sweet bread K has the highest moisture content (22,36%) and it is different from other sweet bread samples. VCO effectively inhibits the growth of sweet bread mold at concentrations of 8%, 12%, and 16%. K and A sweet bread has a shelf life of 4 days, while sweet breads B, C, and D have a shelf life of 6 days.Keywords: VCO, sweet bread, characteristics, shelf life

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