Aqueous enzymatic oil extraction from Irvingia gabonensis seed kernels
The objective of this study was to extract the fat from Irvingia gabonensis kernels without using organic solvent but by using the enzyme aqueous oil extraction process. The aqueous dispersion of kernel flour of bush mango was treated with a protease (Alcalase®), a pectinase (Pectinex®) and a mixtur...
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| Published in | European journal of lipid science and technology Vol. 110; no. 3; pp. 232 - 238 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | English |
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Weinheim
Wiley-VCH Verlag
01.03.2008
WILEY-VCH Verlag WILEY‐VCH Verlag Wiley-VCH |
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| Abstract | The objective of this study was to extract the fat from Irvingia gabonensis kernels without using organic solvent but by using the enzyme aqueous oil extraction process. The aqueous dispersion of kernel flour of bush mango was treated with a protease (Alcalase®), a pectinase (Pectinex®) and a mixture of cell wall-degrading enzymes (Viscozyme®) before centrifugation. The yield of oil extracted was calculated in comparison with the chemical extraction method using hexane as solvent. A central composite experimental design was used for the determination of optimized conditions. The results showed that aqueous extraction without enzyme allows recovering 27.4% of the kernel oil. When Alcalase, Pectinex and Viscozyme were added separately, the oil yields were 35.0, 42.2 and 68.0%, respectively. Optimized conditions for Viscozyme resulted in a model of oil yield with a high coefficient of determination (r² = 0.94). These conditions were the following: kernel-to-water ratio 0.11-0.19, concentration of enzyme 1.4-2.0%, and time of incubation 14-18 h. Confirmation of the model led to 83.0% oil yield after treatment of the kernel flour at a kernel-to-water ratio of 0.16, using 2% Viscozyme for 18 h. Under the same conditions, followed by addition of 1% Alcalase for 2 h, the yield was 90.0%. |
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| AbstractList | The objective of this study was to extract the fat from Irvingia gabonensis kernels without using organic solvent but by using the enzyme aqueous oil extraction process. The aqueous dispersion of kernel flour of bush mango was treated with a protease (Alcalase®), a pectinase (Pectinex®) and a mixture of cell wall-degrading enzymes (Viscozyme®) before centrifugation. The yield of oil extracted was calculated in comparison with the chemical extraction method using hexane as solvent. A central composite experimental design was used for the determination of optimized conditions. The results showed that aqueous extraction without enzyme allows recovering 27.4% of the kernel oil. When Alcalase, Pectinex and Viscozyme were added separately, the oil yields were 35.0, 42.2 and 68.0%, respectively. Optimized conditions for Viscozyme resulted in a model of oil yield with a high coefficient of determination (r² = 0.94). These conditions were the following: kernel-to-water ratio 0.11-0.19, concentration of enzyme 1.4-2.0%, and time of incubation 14-18 h. Confirmation of the model led to 83.0% oil yield after treatment of the kernel flour at a kernel-to-water ratio of 0.16, using 2% Viscozyme for 18 h. Under the same conditions, followed by addition of 1% Alcalase for 2 h, the yield was 90.0%. The objective of this study was to extract the fat from Irvingia gabonensis kernels without using organic solvent but by using the enzyme aqueous oil extraction process. The aqueous dispersion of kernel flour of bush mango was treated with a protease (Alcalase®), a pectinase (Pectinex®) and a mixture of cell wall‐degrading enzymes (Viscozyme®) before centrifugation. The yield of oil extracted was calculated in comparison with the chemical extraction method using hexane as solvent. A central composite experimental design was used for the determination of optimized conditions. The results showed that aqueous extraction without enzyme allows recovering 27.4% of the kernel oil. When Alcalase, Pectinex and Viscozyme were added separately, the oil yields were 35.0, 42.2 and 68.0%, respectively. Optimized conditions for Viscozyme resulted in a model of oil yield with a high coefficient of determination (r2 = 0.94). These conditions were the following: kernel‐to‐water ratio 0.11–0.19, concentration of enzyme 1.4–2.0%, and time of incubation 14–18 h. Confirmation of the model led to 83.0% oil yield after treatment of the kernel flour at a kernel‐to‐water ratio of 0.16, using 2% Viscozyme for 18 h. Under the same conditions, followed by addition of 1% Alcalase for 2 h, the yield was 90.0%. Abstract The objective of this study was to extract the fat from Irvingia gabonensis kernels without using organic solvent but by using the enzyme aqueous oil extraction process. The aqueous dispersion of kernel flour of bush mango was treated with a protease (Alcalase®), a pectinase (Pectinex®) and a mixture of cell wall‐degrading enzymes (Viscozyme®) before centrifugation. The yield of oil extracted was calculated in comparison with the chemical extraction method using hexane as solvent. A central composite experimental design was used for the determination of optimized conditions. The results showed that aqueous extraction without enzyme allows recovering 27.4% of the kernel oil. When Alcalase, Pectinex and Viscozyme were added separately, the oil yields were 35.0, 42.2 and 68.0%, respectively. Optimized conditions for Viscozyme resulted in a model of oil yield with a high coefficient of determination ( r 2 = 0.94). These conditions were the following: kernel‐to‐water ratio 0.11–0.19, concentration of enzyme 1.4–2.0%, and time of incubation 14–18 h. Confirmation of the model led to 83.0% oil yield after treatment of the kernel flour at a kernel‐to‐water ratio of 0.16, using 2% Viscozyme for 18 h. Under the same conditions, followed by addition of 1% Alcalase for 2 h, the yield was 90.0%. |
| Author | Mbiapo, Félicité Tchouanguep Kapseu, César Ndjouenkeu, Robert Fanni, Jacques Parmentier, Michel Womeni, Hilaire Macaire |
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| Cites_doi | 10.1016/0144-8617(96)00016-1 10.1016/0308-8146(95)90784-5 10.3362/9781780443737 10.1016/S0141-0229(96)80004-F 10.1111/j.1365-2621.1986.tb13914.x 10.1016/0960-8524(95)00044-F 10.1007/BF02543517 10.1016/j.foodchem.2004.09.023 10.1007/978-94-011-6062-9 10.1007/BF02662207 10.1007/BF02662422 10.1007/BF02539689 10.1016/S0308-8146(98)00072-7 10.1007/BF02542265 10.1016/j.foodchem.2004.04.012 10.1016/0163-7827(93)90009-L |
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| Keywords | Oils and fats industry Seeds Oil aqueous enzymatic oil extraction Fruit bush mango Mango Extraction Irvingia gabonensis Enzymatic reaction |
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| References_xml | – volume: 1 start-page: 133 year: 1980 end-page: 135 article-title: Amino acid composition of oil seed proteins publication-title: Nig J Nutr Sci. – year: 1983 – volume: 53 start-page: 179 year: 1995 end-page: 181 article-title: Physico‐chemical attributes of wild mango ( ) seeds publication-title: Bioresour Technol. – volume: 53 start-page: 173 year: 1995 end-page: 175 article-title: Effect of heat‐treatment and defatting on the proximate composition of some Nigerian local soup thickeners publication-title: Food Chem. – volume: 4 start-page: 28 year: 1982 end-page: 34 article-title: Producing edible oil and protein from oilseeds by aqueous processing publication-title: Oil Mill Gaz. – year: 1987 – volume: 32 start-page: 247 year: 1993 end-page: 280 article-title: Structure, function, and biogenesis of storage lipid bodies and oleosins in plants publication-title: Prog Lipid Res. – year: 2000 – volume: 11 start-page: 249 year: 1989 end-page: 265 article-title: Enzyme technology engineering technology in the food industry publication-title: Biotechnol Appl Biochem. – volume: 51 start-page: 695 year: 1986 end-page: 697 article-title: Coconut oil extraction by a new enzymatic process publication-title: J Food Sci. – year: 1990 – volume: 77 start-page: 435 year: 2002 end-page: 437 article-title: Chemical composition of selected Nigerian oil seed publication-title: Food Chem. – volume: LXXIX start-page: 33 year: 2002 end-page: 37 article-title: Extraction du beurre de karité: Influence du séchage des amandes et de la technique d'extraction publication-title: Riv Ital Sost Grasse. – year: 1998 – volume: 60 start-page: 303A year: 1983 end-page: 308A article-title: Soybean oil: Update on number one publication-title: J Am Oil Chem Soc. – volume: 29 start-page: 263 year: 1996 end-page: 269 article-title: Rheology of okra ( L.) and dika nut ( ) polysaccharides publication-title: Carbohydr Polym. – volume: 9 start-page: 317 year: 1990 end-page: 328 article-title: Microstructure of peanut seed: A review publication-title: Food Struct. – year: 1980 – volume: 66 start-page: 1 year: 1999 end-page: 14 article-title: Potential for novel food products from agroforestry: A review publication-title: Food Chem. – volume: 19 start-page: 402 year: 1996 end-page: 420 article-title: Aqueous and enzymatic processes for edible oil extraction: Review publication-title: Enzyme Microb Technol. – volume: 60 start-page: 1641 year: 1983 end-page: 1644 article-title: Pacing technologies in the fats and oils industry publication-title: J Am Oil Chem Soc. – volume: 90 start-page: 365 year: 2005 end-page: 378 article-title: Domestication of : 4. Tree‐to‐tree variation in food‐thickening properties and in fat and protein contents of dika nut publication-title: Food Chem. – volume: 93 start-page: 253 year: 2005 end-page: 263 article-title: Some physico‐chemical properties of seed oil extracted using solvent and aqueous enzymatic methods publication-title: Food Chem. – volume: 45 start-page: 35 year: 1990 end-page: 42 article-title: Optimization of an enzymatic process for coconut oil extraction publication-title: Oleagineux. – volume: 67 start-page: 353 year: 1990 end-page: 361 article-title: Isolation and physicochemical characterization of the half‐unit membranes of oilseed lipid bodies publication-title: J Am Oil Chem Soc. – volume: 57 start-page: 279 year: 1980 end-page: 282 article-title: Electron microscopy of soybean lipid bodies publication-title: J Am Oil Chem Soc. – volume: 7 start-page: 979 year: 1994 end-page: 983 article-title: Enzyme‐assisted aqueous extraction of fat from kernels of the shea tree, Butyrospermum parkii publication-title: J Am Oil Chem Soc. – volume: LXXXI start-page: 49 year: 2004 end-page: 57 article-title: Caractéristiques physico‐chimiques et potentialités technologiques des amandes de publication-title: Riv Ital Sost Grasse – year: 1993 – year: 1999 – volume-title: Irvingia: Uses, Potential and Domestication year: 2000 ident: e_1_2_1_8_2 contributor: fullname: Okolo H. C. – ident: e_1_2_1_9_2 doi: 10.1016/0144-8617(96)00016-1 – ident: e_1_2_1_7_2 doi: 10.1016/0308-8146(95)90784-5 – ident: e_1_2_1_3_2 doi: 10.3362/9781780443737 – volume-title: Recueil des Normes Françaises, Corps Gras Graines Oléagineuses, Produits Dérivés year: 1993 ident: e_1_2_1_20_2 – ident: e_1_2_1_16_2 doi: 10.1016/S0141-0229(96)80004-F – volume-title: Handbook of Soy Oil Processing and Utilization year: 1980 ident: e_1_2_1_29_2 contributor: fullname: Mustakas G. C. – volume: 77 start-page: 435 year: 2002 ident: e_1_2_1_18_2 article-title: Chemical composition of selected Nigerian oil seed publication-title: Food Chem. contributor: fullname: Onyieke E. 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| Snippet | The objective of this study was to extract the fat from Irvingia gabonensis kernels without using organic solvent but by using the enzyme aqueous oil... Abstract The objective of this study was to extract the fat from Irvingia gabonensis kernels without using organic solvent but by using the enzyme aqueous oil... |
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| SubjectTerms | aqueous enzymatic oil extraction Biological and medical sciences bush mango Fat industries Food engineering Food industries Fundamental and applied biological sciences. Psychology General aspects Irvingia gabonensis |
| Title | Aqueous enzymatic oil extraction from Irvingia gabonensis seed kernels |
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