Optimisation of concurrent Calophyllum oil-resin extraction and separation

Ika Amalia Kartika, Muriel Cerny, Virginie Vandenbossche, Philippe Evon, Wega Trisunaryanti, Rino Rakhmata Mukti, Hartati, Nancy Dewi Yuliana and Illah Sailah
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Ika Amalia Kartika: Department of Agroindustrial Technology, IPB University, Bogor, Indonesia
Muriel Cerny: Laboratoire de Chimie Agro-industrielle, INP de Toulouse, Toulouse, France
Virginie Vandenbossche: Laboratoire de Chimie Agro-industrielle, INP de Toulouse, Toulouse, France
Philippe Evon: Laboratoire de Chimie Agro-industrielle, INP de Toulouse, Toulouse, France
Wega Trisunaryanti: Department of Chemistry, Universitas Gadjah Mada, Yogyakarta, Indonesia
Rino Rakhmata Mukti: Department of Chemistry, Institut Teknologi Bandung, Bandung, Indonesia
Hartati: Department of Chemistry, Universitas Airlangga, Surabaya, Indonesia
Nancy Dewi Yuliana: Department of Food Science and Technology, IPB University, Bogor, Indonesia
Illah Sailah: Department of Agroindustrial Technology, IPB University, Bogor, Indonesia

Research in Agricultural Engineering, 2021, vol. 67, issue 2, 84-91

Abstract: This research optimised the application of a hexane-methanol mixture as a binary solvent for the concurrent oil-resin extraction and separation from Calophyllum seeds on a pilot scale, in a direct stage. The optimum oil and resin yields were determined by optimising the extraction conditions using response surface methodology and a second order polynomial model. The extraction conditions affected the oil and resin yields, with the extraction time as the biggest influencing factor. Optimum oil (65%) and resin (16%) yields were predicted to be obtained at 5.2 h and 433 rpm. The model validation with these extraction conditions showed that the predicted results and actual oil (62%) and resin (15%) yields were in passable agreement. The oil was composed of 75.4% triglycerides with a density of 0.874 g.cm-3, a viscosity of 26.4 mPa.s-1, an acid value of 46.4 mg KOH.g-1, an iodine value of 98.0 g iodine.100 g-1, trace water and sediment contents, and zero ash content. The resin had a viscosity of 4 694.8 mPa.s-1, a total phenolic content of a 4.51% gallic acid equivalent, an antioxidant activity of an 8.82 mg ascorbic acid equivalent.g-1, and an acid value of 126.2 mg KOH.g-1.

Keywords: binary; n-hexane; methanol; phenolic; antioxidant (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlrae:v:67:y:2021:i:2:id:67-2020-rae

DOI: 10.17221/67/2020-RAE

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