Clay-heat refining of edible oils
Abstract The treatment of crude edible oils with sodium hydroxide solutions is the standard refining procedure in the industry. Refining with NaOH removes free fatty acids, some phosphatides, proteinaceous matter and some colored material. Up to now experience has shown that most oils cannot be deod...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Mag, T. K. [verfasserIn] |
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| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1973 |
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| Schlagwörter: |
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| Anmerkung: |
© The American Oil Chemists’ Society 1973 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of the American Oil Chemists Society - Springer-Verlag, 1947, 50(1973), 7 vom: Juli, Seite 251-254 |
|---|---|
| Übergeordnetes Werk: |
volume:50 ; year:1973 ; number:7 ; month:07 ; pages:251-254 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF02641796 |
|---|
| Katalog-ID: |
OLC2068047675 |
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| 520 | |a Abstract The treatment of crude edible oils with sodium hydroxide solutions is the standard refining procedure in the industry. Refining with NaOH removes free fatty acids, some phosphatides, proteinaceous matter and some colored material. Up to now experience has shown that most oils cannot be deodorized satisfactorily unless they have been caustic-refined. In the past, when most crude oils contained several per cent of free fatty acids, caustic-refining offered itself as a particularly suitable means of preparation for further processing. In recent years the free fatty acid content of crude oils has been, in most cases, only a fraction of 1%, which could very readily be removed in the process of deodorization. A prerequisite for this would be to remove by some other means those substances that interfere with satisfactory deodorizing. It has been found that the process of bleaching can be used for this purpose if the oil is pretreated with 0.1–0.5% phosphoric acid and bleached at 325–350 F. The amount of bleaching clay required depends on the type of oil and its quality, but with many oils up to 2% clay is satisfactory. The amount of phosphoric acid necessary also depends on the type of oil. | ||
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10.1007/BF02641796 doi (DE-627)OLC2068047675 (DE-He213)BF02641796-p DE-627 ger DE-627 rakwb eng 660 VZ Mag, T. K. verfasserin aut Clay-heat refining of edible oils 1973 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The American Oil Chemists’ Society 1973 Abstract The treatment of crude edible oils with sodium hydroxide solutions is the standard refining procedure in the industry. Refining with NaOH removes free fatty acids, some phosphatides, proteinaceous matter and some colored material. Up to now experience has shown that most oils cannot be deodorized satisfactorily unless they have been caustic-refined. In the past, when most crude oils contained several per cent of free fatty acids, caustic-refining offered itself as a particularly suitable means of preparation for further processing. In recent years the free fatty acid content of crude oils has been, in most cases, only a fraction of 1%, which could very readily be removed in the process of deodorization. A prerequisite for this would be to remove by some other means those substances that interfere with satisfactory deodorizing. It has been found that the process of bleaching can be used for this purpose if the oil is pretreated with 0.1–0.5% phosphoric acid and bleached at 325–350 F. The amount of bleaching clay required depends on the type of oil and its quality, but with many oils up to 2% clay is satisfactory. The amount of phosphoric acid necessary also depends on the type of oil. Free Fatty Acid Phosphoric Acid Free Fatty Acid Content Bleaching Clay Concentrate Phosphoric Acid Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 50(1973), 7 vom: Juli, Seite 251-254 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:50 year:1973 number:7 month:07 pages:251-254 https://doi.org/10.1007/BF02641796 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_26 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 50 1973 7 07 251-254 |
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10.1007/BF02641796 doi (DE-627)OLC2068047675 (DE-He213)BF02641796-p DE-627 ger DE-627 rakwb eng 660 VZ Mag, T. K. verfasserin aut Clay-heat refining of edible oils 1973 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The American Oil Chemists’ Society 1973 Abstract The treatment of crude edible oils with sodium hydroxide solutions is the standard refining procedure in the industry. Refining with NaOH removes free fatty acids, some phosphatides, proteinaceous matter and some colored material. Up to now experience has shown that most oils cannot be deodorized satisfactorily unless they have been caustic-refined. In the past, when most crude oils contained several per cent of free fatty acids, caustic-refining offered itself as a particularly suitable means of preparation for further processing. In recent years the free fatty acid content of crude oils has been, in most cases, only a fraction of 1%, which could very readily be removed in the process of deodorization. A prerequisite for this would be to remove by some other means those substances that interfere with satisfactory deodorizing. It has been found that the process of bleaching can be used for this purpose if the oil is pretreated with 0.1–0.5% phosphoric acid and bleached at 325–350 F. The amount of bleaching clay required depends on the type of oil and its quality, but with many oils up to 2% clay is satisfactory. The amount of phosphoric acid necessary also depends on the type of oil. Free Fatty Acid Phosphoric Acid Free Fatty Acid Content Bleaching Clay Concentrate Phosphoric Acid Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 50(1973), 7 vom: Juli, Seite 251-254 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:50 year:1973 number:7 month:07 pages:251-254 https://doi.org/10.1007/BF02641796 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_26 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 50 1973 7 07 251-254 |
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10.1007/BF02641796 doi (DE-627)OLC2068047675 (DE-He213)BF02641796-p DE-627 ger DE-627 rakwb eng 660 VZ Mag, T. K. verfasserin aut Clay-heat refining of edible oils 1973 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The American Oil Chemists’ Society 1973 Abstract The treatment of crude edible oils with sodium hydroxide solutions is the standard refining procedure in the industry. Refining with NaOH removes free fatty acids, some phosphatides, proteinaceous matter and some colored material. Up to now experience has shown that most oils cannot be deodorized satisfactorily unless they have been caustic-refined. In the past, when most crude oils contained several per cent of free fatty acids, caustic-refining offered itself as a particularly suitable means of preparation for further processing. In recent years the free fatty acid content of crude oils has been, in most cases, only a fraction of 1%, which could very readily be removed in the process of deodorization. A prerequisite for this would be to remove by some other means those substances that interfere with satisfactory deodorizing. It has been found that the process of bleaching can be used for this purpose if the oil is pretreated with 0.1–0.5% phosphoric acid and bleached at 325–350 F. The amount of bleaching clay required depends on the type of oil and its quality, but with many oils up to 2% clay is satisfactory. The amount of phosphoric acid necessary also depends on the type of oil. Free Fatty Acid Phosphoric Acid Free Fatty Acid Content Bleaching Clay Concentrate Phosphoric Acid Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 50(1973), 7 vom: Juli, Seite 251-254 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:50 year:1973 number:7 month:07 pages:251-254 https://doi.org/10.1007/BF02641796 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_26 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 50 1973 7 07 251-254 |
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10.1007/BF02641796 doi (DE-627)OLC2068047675 (DE-He213)BF02641796-p DE-627 ger DE-627 rakwb eng 660 VZ Mag, T. K. verfasserin aut Clay-heat refining of edible oils 1973 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The American Oil Chemists’ Society 1973 Abstract The treatment of crude edible oils with sodium hydroxide solutions is the standard refining procedure in the industry. Refining with NaOH removes free fatty acids, some phosphatides, proteinaceous matter and some colored material. Up to now experience has shown that most oils cannot be deodorized satisfactorily unless they have been caustic-refined. In the past, when most crude oils contained several per cent of free fatty acids, caustic-refining offered itself as a particularly suitable means of preparation for further processing. In recent years the free fatty acid content of crude oils has been, in most cases, only a fraction of 1%, which could very readily be removed in the process of deodorization. A prerequisite for this would be to remove by some other means those substances that interfere with satisfactory deodorizing. It has been found that the process of bleaching can be used for this purpose if the oil is pretreated with 0.1–0.5% phosphoric acid and bleached at 325–350 F. The amount of bleaching clay required depends on the type of oil and its quality, but with many oils up to 2% clay is satisfactory. The amount of phosphoric acid necessary also depends on the type of oil. Free Fatty Acid Phosphoric Acid Free Fatty Acid Content Bleaching Clay Concentrate Phosphoric Acid Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 50(1973), 7 vom: Juli, Seite 251-254 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:50 year:1973 number:7 month:07 pages:251-254 https://doi.org/10.1007/BF02641796 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_26 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 50 1973 7 07 251-254 |
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10.1007/BF02641796 doi (DE-627)OLC2068047675 (DE-He213)BF02641796-p DE-627 ger DE-627 rakwb eng 660 VZ Mag, T. K. verfasserin aut Clay-heat refining of edible oils 1973 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The American Oil Chemists’ Society 1973 Abstract The treatment of crude edible oils with sodium hydroxide solutions is the standard refining procedure in the industry. Refining with NaOH removes free fatty acids, some phosphatides, proteinaceous matter and some colored material. Up to now experience has shown that most oils cannot be deodorized satisfactorily unless they have been caustic-refined. In the past, when most crude oils contained several per cent of free fatty acids, caustic-refining offered itself as a particularly suitable means of preparation for further processing. In recent years the free fatty acid content of crude oils has been, in most cases, only a fraction of 1%, which could very readily be removed in the process of deodorization. A prerequisite for this would be to remove by some other means those substances that interfere with satisfactory deodorizing. It has been found that the process of bleaching can be used for this purpose if the oil is pretreated with 0.1–0.5% phosphoric acid and bleached at 325–350 F. The amount of bleaching clay required depends on the type of oil and its quality, but with many oils up to 2% clay is satisfactory. The amount of phosphoric acid necessary also depends on the type of oil. Free Fatty Acid Phosphoric Acid Free Fatty Acid Content Bleaching Clay Concentrate Phosphoric Acid Enthalten in Journal of the American Oil Chemists Society Springer-Verlag, 1947 50(1973), 7 vom: Juli, Seite 251-254 (DE-627)129595691 (DE-600)240684-6 (DE-576)015088715 0003-021X nnns volume:50 year:1973 number:7 month:07 pages:251-254 https://doi.org/10.1007/BF02641796 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_26 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2360 GBV_ILN_4012 GBV_ILN_4036 GBV_ILN_4046 GBV_ILN_4125 GBV_ILN_4219 GBV_ILN_4306 GBV_ILN_4315 AR 50 1973 7 07 251-254 |
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Journal of the American Oil Chemists Society |
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Clay-heat refining of edible oils |
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Clay-heat refining of edible oils |
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Mag, T. K. |
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Journal of the American Oil Chemists Society |
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1973 |
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Mag, T. K. |
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Mag, T. K. |
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10.1007/BF02641796 |
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660 |
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clay-heat refining of edible oils |
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Clay-heat refining of edible oils |
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Abstract The treatment of crude edible oils with sodium hydroxide solutions is the standard refining procedure in the industry. Refining with NaOH removes free fatty acids, some phosphatides, proteinaceous matter and some colored material. Up to now experience has shown that most oils cannot be deodorized satisfactorily unless they have been caustic-refined. In the past, when most crude oils contained several per cent of free fatty acids, caustic-refining offered itself as a particularly suitable means of preparation for further processing. In recent years the free fatty acid content of crude oils has been, in most cases, only a fraction of 1%, which could very readily be removed in the process of deodorization. A prerequisite for this would be to remove by some other means those substances that interfere with satisfactory deodorizing. It has been found that the process of bleaching can be used for this purpose if the oil is pretreated with 0.1–0.5% phosphoric acid and bleached at 325–350 F. The amount of bleaching clay required depends on the type of oil and its quality, but with many oils up to 2% clay is satisfactory. The amount of phosphoric acid necessary also depends on the type of oil. © The American Oil Chemists’ Society 1973 |
| abstractGer |
Abstract The treatment of crude edible oils with sodium hydroxide solutions is the standard refining procedure in the industry. Refining with NaOH removes free fatty acids, some phosphatides, proteinaceous matter and some colored material. Up to now experience has shown that most oils cannot be deodorized satisfactorily unless they have been caustic-refined. In the past, when most crude oils contained several per cent of free fatty acids, caustic-refining offered itself as a particularly suitable means of preparation for further processing. In recent years the free fatty acid content of crude oils has been, in most cases, only a fraction of 1%, which could very readily be removed in the process of deodorization. A prerequisite for this would be to remove by some other means those substances that interfere with satisfactory deodorizing. It has been found that the process of bleaching can be used for this purpose if the oil is pretreated with 0.1–0.5% phosphoric acid and bleached at 325–350 F. The amount of bleaching clay required depends on the type of oil and its quality, but with many oils up to 2% clay is satisfactory. The amount of phosphoric acid necessary also depends on the type of oil. © The American Oil Chemists’ Society 1973 |
| abstract_unstemmed |
Abstract The treatment of crude edible oils with sodium hydroxide solutions is the standard refining procedure in the industry. Refining with NaOH removes free fatty acids, some phosphatides, proteinaceous matter and some colored material. Up to now experience has shown that most oils cannot be deodorized satisfactorily unless they have been caustic-refined. In the past, when most crude oils contained several per cent of free fatty acids, caustic-refining offered itself as a particularly suitable means of preparation for further processing. In recent years the free fatty acid content of crude oils has been, in most cases, only a fraction of 1%, which could very readily be removed in the process of deodorization. A prerequisite for this would be to remove by some other means those substances that interfere with satisfactory deodorizing. It has been found that the process of bleaching can be used for this purpose if the oil is pretreated with 0.1–0.5% phosphoric acid and bleached at 325–350 F. The amount of bleaching clay required depends on the type of oil and its quality, but with many oils up to 2% clay is satisfactory. The amount of phosphoric acid necessary also depends on the type of oil. © The American Oil Chemists’ Society 1973 |
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Clay-heat refining of edible oils |
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