1995
DOI: 10.1002/ffj.2730100109
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Deterpenation of sweet orange and lemon essential oils with supercritical carbon dioxide using silica gel as an adsorbent

Abstract: A method to deterpenate sweet orange and lemon oils by supercritical fluid extraction (SFE) with carbon dioxide combined with use of silica gel as adsorbent is described. The composition of the oxygenated fractions obtained by SFE was compared to that of deterpenated oils obtained by vacuum distillation, and to that of cold-pressed oils. The deterpenated products obtained by SFE show qualitative composition and quantitative ratios between oxygenated compounds near to those of original oils.

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Cited by 52 publications
(34 citation statements)
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“…Moreover, this extraction does not leave any trace of organic solvent [13][14][15][16][17]. The most frequently employed supercritical solvent is carbon dioxide (CO 2 ).…”
Section: Introductionmentioning
confidence: 99%
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“…Moreover, this extraction does not leave any trace of organic solvent [13][14][15][16][17]. The most frequently employed supercritical solvent is carbon dioxide (CO 2 ).…”
Section: Introductionmentioning
confidence: 99%
“…The most frequently employed supercritical solvent is carbon dioxide (CO 2 ). It has low toxicity, good safety, cheap, abundant in pure form (food grade) and low critical temperature and pressure [13,14,16,17].…”
Section: Introductionmentioning
confidence: 99%
“…This interest is due to the possibility of obtaining solvent-free extracts and the low temperatures employed, which is an attractive way to preserve the quality of thermosensitive products (Dugo et al, 1995;Zancan et al, 2002). Carbon dioxide is considered an appropriate solvent essential oil extraction from natural products, since it is readily available, nontoxic and noninflammable, and has a low reactivity (Mohamed, 1997).…”
Section: Introductionmentioning
confidence: 99%
“…Recentemente, o método de extração pelo CO 2 -supercrítico vem sendo testado como alternativa em substituição àqueles convencionais atualmente em uso [1,3,6,11,14].…”
Section: -Introduçãounclassified
“…Com o propósito de eliminar os problemas causados pelo bergapteno, algumas indústrias estão utilizando óleo essencial de bergamota debergaptenizado, e os processos mais utilizados são a destilação a vapor e a cromatografia em coluna [7,15]. Recentemente, o método de extração pelo CO 2 -supercrítico vem sendo testado como alternativa em substituição àqueles convencionais atualmente em uso [1,3,6,11,14].Este trabalho tem como objetivo examinar a possibilidade do uso do dióxido de carbono supercrítico sob várias condições de extração, na redução do teor de limoneno e bergapteno do óleo essencial de bergamota. …”
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