Page 61 - Analytical method for food addtives
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Analytical methods for food additives
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Principle of method Reference 2 % alcohol added to ground sample to extract colour, left overnight to precipitate 80 % NaCl solution and slight excess of NH 4 OH was added proteins, filtered, evaporated, 25 to filtrate. Transferred to separating funnel and extracted with petroleum ether. Combined petroleum ether extracts w
Summary of methods for annatto extracts in foods
Macaroni products Commercial annatto seasoning products
Matrix formulations Foods Commercial
Table 5.1 (a) Method Colour reaction Spectroscopic RP TLC/scanning densitometry Photoacoustic spectrometry (PAS)
