A New Method for Determining Free Fatty Acid Content in Edible Oils by Using Electrical Conductivity

Food Analytical Methods

Volumn 5, Issue 6, 2012, Pages 1453-1458

  Yu, Xiuzhu ^a   Yang, Chen ^a   Du, Shuangkui ^a   Gao, Jin ming ^a  

^a NORTHWEST A F UNIVERSITY   (China)

Author keywords

Analysis; Edible oils; Electrical conductivity; Free fatty acid

Indexed keywords

ANALYSIS; ANALYTICAL CONDITIONS; ANALYTICAL PERFORMANCE; ELECTRICAL CONDUCTIVITY; FREE FATTY ACID; HIGH MELTING POINT; HOLDING TIME; KOH SOLUTION; POTASSIUM HYDROXIDE SOLUTION; STANDARD ADDITION;

CALIBRATION; ELECTRIC CONDUCTIVITY; FLOOD CONTROL; OILS AND FATS;

POTASSIUM HYDROXIDE;

EID: 84867669485     PISSN: 19369751     EISSN: 1936976X     Source Type: Journal    
DOI: 10.1007/s12161-012-9399-1     Document Type: Article

References (20)

1. Al-Alawi A, van de Voort FR, Sedman J (2004) New FTIR method for the determination of FFA in oils. J Am Oil Chem Soc 81: 441-446.
2. Al-Alawi A, van de Voort FR, Sedman J (2005) A new FTIR method for the analysis of low levels of FFA in refined edible oils. Spectrosc Lett 38: 389-403.
3. Alberta A, van de Voort FR, Simpson BK (2009) FTIR determination of free fatty acids in fish oils intended for biodiesel production. Process Biochem 44: 401-405.
4. AOCS Method Ca 5a-40, Official methods and recommended practices of AOCS, 4th edn, AOCS, Champaign, IL, 1989.
5. Dermaux A, Sandra P, Ferraz V (1999) Analysis of free fatty acids and fatty acid phenacyl esters in vegetable oils and margarine by capillary electro-chromatography. Electrophoresis 20: 74-79.
6. Giancoli D (2007) Physics for scientists and engineers (4th edn.) mastering physics series. Upper Saddle River, NJ: Prentice Hall.
7. Hamm W, Hamilton RJ (2000) Edible oil processing. Sheffield Academic Press, Sheffield, p 234.
8. Kotani A, Kusu F, Takamura K (2002) New electrochemical detection method in high-performance liquid chromatography for determining free fatty acids. Anal Chim Acta 465: 199-206.
9. Kwon DY, Rhee JS (1986) A simple and rapid colorimetric method for determination of free fatty acids for lipase assay. J Am Oil Chem Soc 63: 186-189.
10. Mariotti E, Mascini M (2001) Determination of extra virgin olive oil acidity by FIA-titration. Food Chem 73: 235-238.
11. Nouros PG, Georgiou CA, Polissiou MG (1997) Automated flow injection spectrophotometric non-Aqueous titrimetric determination of the free fatty acid content of olive oil. Anal Chim Acta 351: 291-297.
12. O'Brien RD (1998) Fats and oils: formulating and processing for applications. Technomic Publishing Company, Lancaster, p 96.
13. Rosenfeld JM (2002) Application of analytical derivatizations to the quantitative and qualitative determination of fatty acids. Anal Chim Acta 465: 93-100.
14. Senorans FJ, Ibanez E (2002) Analysis of fatty acids in foods by supercritical fluid chromatography. Anal Chim Acta 465: 131-141.
15. Sherazi STH, Mahesar SA, Bhanger MI, van de Voort FR, Sedman J (2007) Rapid determination of free fatty acids in poultry feed lipid extracts by SB-ATR FTIR spectroscopy. J Agric Food Chem 55: 4928-4932.
16. Sherazi STH, Talpur MY, Mahesar SA, Kandhro A, Arain S (2009) Main fatty acid classes in vegetable oils by SB-ATR-Fourier transform infrared (FTIR) spectroscopy. Talanta 80: 600-606.
17. Takamura K, Fuse T, Arai K, Kusu F (1999) A review of a new voltammetric method for determining acids. J Electroanal Chem 468: 53-63.
18. Tur'yan YI, Berezin OY, Kuselman I, Shenhar A (1996) pH-metric determination of free fatty acids in vegetable oils without titration. J Am Oil Chem Soc 73: 295-301.
19. Yu X, van de Voort FR, Sedman J (2007) Deternination of proxide value of edible oils by FTIR spectroscopy with the use of the spectral reconstitution technique. Talanta 74: 241-246.
20. Zhu R, Wang D, Yang XJ, He DP (2008) Application of electrical conductivity measurement in qualified edible oil adulteration identification. J Cereals & Oils 11: 42-43.