Extraction of Annatto Seed Pigment by Supercritical Carbon Dioxide

Degnan, Alan J.; Elbe, Joachim H. von; Hartel, R.W.

doi:10.1111/j.1365-2621.1991.tb08664.x

Cited by 39 publications

(20 citation statements)

References 7 publications

(8 reference statements)

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“…These results revealed that the yields of both compounds increased as the CO 2 pressure increased at a constant temperature of 40°C. This tendency is consistent with that reported for extracting bixin from annatto seeds (Degnan et al, 1991), carotenoids from sweetpotato roots (Spanos et al, 1993) and lycopene from tomato skin (Inakuma et al, 1998). This may be because an increase in SC-CO 2 density with an increasing pressure leads to increased solubility of compounds in SC-CO 2 as described in previous reports.…”

Section: Resultssupporting

confidence: 81%

“…This result may be due to the higher polarity of chlorogenic acid than that of ␤-carotene and ␣-tocopherol because SC-CO 2 is thought to behave similarly to hexane. It was also reported that bixin was extracted with SC-CO 2 , but norbixin, which is more polar than bixin, was not extracted under the same conditions (Degnan et al, 1991). Figure 1 shows the relationship between the color value of a* and the ␤-carotene content of the powder samples treated with and without SC-CO 2 (n=9).…”

Section: Resultsmentioning

confidence: 99%

“…Extraction with supercritical carbon dioxide (SC-CO 2 ) has been widely applied in the area of food science and technology including applications such as extraction of oils (Stahl et al, 1984), carotenoid pigments (Degnan et al, 1991;Spanos et al, 1993) and a pesticide (Ambrosino et al, 1999) from plant materials. This technique has the following advantages compared with conventional processes of extraction with organic solvents and of distillation.…”

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confidence: 99%

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Extraction of Antioxidants in Sweetpotato Waste Powder with Supercritical Carbon Dioxide.

Okuno

Yoshinaga

Nakatani

et al. 2002

FSTR

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The application of supercritical carbon dioxide (SC-CO 2 ) extraction to waste powder derived from sweetpotato roots with orange flesh in a food processing factory was examined. The contents of antioxidants, ␤-carotene, ␣-tocopherol and chlorogenic acid, remaining in the waste powder after SC-CO 2 extraction under different conditions were determined by HPLC. At a constant extraction pressure, the extraction yield of ␤-carotene from the waste powder was highest at 40°C, decreased at 60°C and decreased further at 80°C; in contrast, the ␣-tocopherol yield did not vary under different temperature conditions. At a constant extraction temperature, increasing extraction pressure increased the extraction yields of both ␤-carotene and ␣-tocopherol. Under the conditions tested, the yields of ␤-carotene (95.1%) and ␣-tocopherol (76.8%) were highest at 40°C and 35 MPa. Little chlorogenic acid was extracted from waste powder. The ␤-carotene remaining in the waste powder after SC-CO 2 extraction correlated well with its color value of a*.

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Section: Resultssupporting

confidence: 81%

Section: Resultsmentioning

confidence: 99%

mentioning

confidence: 99%

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Extraction of Antioxidants in Sweetpotato Waste Powder with Supercritical Carbon Dioxide.

Okuno

Yoshinaga

Nakatani

et al. 2002

FSTR

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“…Estes estudos demonstraram que a eficiência da extração aumenta com o aumento da pressão e temperatura; que o óleo presente nas sementes atua como um cossolvente e que o uso de solventes orgânicos aumenta o rendimento da extração (Degnan et al, 1991;Chao et al, 1991;Anderson et al, 1997;Nobre et al, 2006;Silva et al, 2008). No processo é utilizado um solvente em condições críticas de temperatura e pressão, ocorrendo um aumento drástico na solubilidade de certos compostos no solvente.…”

Section: Introductionunclassified

Extração Da Bixina Do Urucum Utilizando Diferentes Tecnologias

Taham¹,

Cabral²,

Barrozo

2015

Anais Do XX Congresso Brasileiro De Engenharia Química

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RESUMO -A Bixina é o carotenoide mais utilizado pela indústria alimentícia. É extraída convencionalmente das sementes do urucum (Bixa orellana L.) por meio de soluções alcalinas ou solventes orgânicos. Estes métodos de extração produzem bixina de baixa pureza e geram resíduos tóxicos. Este trabalho objetivou comparar entre si diferentes métodos de extração da bixina a partir das sementes do urucum. Os métodos utilizados foram: extração sequencial em leito fixo em três etapas, utilizando CO 2 supercrítico na primeira etapa, etanol na segunda e uma mistura de etanol e água (70:30 v/v) na etapa subsequente. Também foram feitas extrações controle com água e clorofórmio nas mesmas condições de pressão e temperatura. As pressões utilizadas foram 400 bar e pressão ambiente; a temperatura de extração foi de 50°C. Os melhores rendimentos de extração da bixina foram com etanol à pressão ambiente e com uma extração sequencial (ScCO 2 a 400 bar seguido de etanol à pressão ambiente); os extratos mais puros foram obtidos utilizando-se etanol à pressão ambiente e à 400 bar. INTRODUÇÃOO urucum (Bixa orellana L.) é um arbusto característico da floresta amazônica de várzea, cujas sementes produzem um pigmento avermelhado, dependendo de sua concentração em solução (NOBRE et.al., 2006). Nativo da parte tropical sul-americana, seus frutos são usados como ingredientes alimentícios há séculos (Chuyen et al., 2012).Este corante existe nas formas hidrossolúvel e lipossolúvel, podendo ser empregado em grande número de produtos alimentícios. Seu baixo custo de produção e baixa toxicidade fazem dele um pigmento muito atrativo e conveniente, em substituição a corantes sintéticos (Agner et al., 2004). O corante de urucum é bastante utilizado na indústria alimentícia, mais particularmente em lácteos e carnes. O êxito de uso no setor é devido à comparativa instabilidade dos corantes sintéticos nestas aplicações (Prentice-Hernandez et al., 1993). Também pode ter utilizações não-alimentícias como remédios, vernizes, corantes, ceras para madeira, tinta para tecidos, couros e fibras em geral (Faria e Costa, 1998).O principal pigmento do urucum é a bixina, que está contida no revestimento externo da própria semente (pericarpo). A bixina foi isolada pela primeira vez por Boussingault em 1825. Sua fórmula molecular é (C 25 H 30 O 4 ) e apresenta-se convencionalmente de duas formas (Figura 1): a bixina, lipossolúvel, e a norbixina, que é hidrossolúvel (Lima et al., 2001).

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“…(Goyle andGupta, 1998 andRao et al, 2004). Commercial extract of oil soluble annatto pigments are obtained from the seeds by several processes such as suspension in oil, mechanical processes and solvent extraction (Preston andRickard, 1980 andDegnan et al, 1991). The commercial preparations of annatto colours with organic solvents have inconvenient of small concentration of pigments and residual toxic solvent in the product (Mckeown andMark, 1962 andPreston andRickard, 1980).…”

Section: Introductionmentioning

confidence: 99%

Efficacy of different oils used for the extraction of annatto colour from the seeds of Bixa orellana L.

Mehta

Behera

Tandel

et al. 2015

JANS

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Annatto, a naturally obtained colour is a potential and valuable Non Wood Forest Product (NWFP). It is obtained from the seeds of plant species Bixa orellana L. The present experiment was carried out to find the efficacy of different oils used for annatto colour extraction. Experiment was started with the pretreatment of seeds of B. orellana with soaking in water at 0%, 50%, 100% and 150% (v/w) for 24 hrs at room temperature and colour extraction with castor oil at 100°C showed that maximum bixin (%) was found from the pretreated seeds with 50% (v/w) water soaking i.e., 0.46% bixin. Similarly for oil soluble annatto extraction method, the maximum extraction of bixin (0.99 %) was found with castor oil at 120°C for 1 hr and least bixin (0.03 %) was recorded with mustard oil at 60 o C temperature for 1 hr. Sesame oil and ground nut oil were also showed better extractability. Out of different treatments, castor oil at 120°C for 1 hr gave better result with respect to bixin extraction as compared to others.

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Extraction of Annatto Seed Pigment by Supercritical Carbon Dioxide

Cited by 39 publications

References 7 publications

Extraction of Antioxidants in Sweetpotato Waste Powder with Supercritical Carbon Dioxide.

Extraction of Antioxidants in Sweetpotato Waste Powder with Supercritical Carbon Dioxide.

Extração Da Bixina Do Urucum Utilizando Diferentes Tecnologias

Efficacy of different oils used for the extraction of annatto colour from the seeds of Bixa orellana L.

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