Methods

NMKL methods

Biological methods		Reports
Chemical and physical methods		Procedures
Microbiological methods		Terms of payment
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Biological methods

Title:	No.	Year/edition
Botulinum toxin. Determination in foods, blood and other test materials.	79	1991, 2^nd Ed.
Paralytic shellfish poison. Biological determination in the common mussel and other bivalves.	81	1986, 2^nd Ed.

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Chemical and physical methods

Title:	No.	Year/edition
Acid value/free fatty acids. Determination in fats.	38	2001, 4rd Ed.
Acidity, titratable. Determination in milk and cream (Routine method).	107	1984
Alpha-amylase activity. Determination in cereals and cereal products	77	1970
Arsenic. Determination in foods and food additives by molybdenum blue method.	112	1985
Arsenic. Determination in seafood by electrothermal atomic absorption spectrometry (ET AAS) after microwave digestion.	166	2000
Ash. Determination in grain and flour.	7	1987, 2nd Ed.
Ash. Determination in milk and milk products.	108	1984
Ash. Gravimetric determination in foods.	128	1989
Ash. Gravimetric determination in foods.	173	2002
Aspartame and diketopiperazin. Determination by HPLC.	142	1992
Benzoic acid and sorbic acid in foods. Quantitative determination by gas chromatography.	103	1984
Benzoic acid and sorbic acid in foods. Amendments: Safety precaution.	103	1991
Benzoic acid. Determination in foods.	2	1979, 3rd Ed.
Benzoic acid, sorbic acid and p-hydroxybenzoic acid esters. Liquid chromatographic determination in foods.	124	1997, 2nd Ed.
Carmine. Liquid chromatographic determination in foods.	157	1997
Chloride. Determination in meat and fish products.	89	1974
Chloride. Determination in meat and fish products. Corrections.	89	1986
Cholecalciferol (vitamin D₃) and Ergocalciferol (vitamin D₂). Determination by HPLC in foodstuffs.	167	2000
Colouring matters, oil-soluble, synthetic. Isolation and identification.	32	1959
Colouring matters, water-soluble, synthetic. Isolation and identification.	31	1959
Colouring matters, water-soluble, synthetic. Isolation and identification.	114	1985
Colours, synthetic, water-soluble. Liquid chromatographic determination in foods.	130	1989
Colours, synthetic, water-soluble, semi-quantitative. Determination by chromatography and spectrophotometry .	134	1990
Cyclamate. Spectrophotometric determination in foods.	123	1998, 2. Ed.
DRY MATTER in foodstuffs. The vacuum method.	169	2002
Ergosterol. Determination by HPLC in cereals	172	2002
Fat. Determination according to SBR in meat and meat products.	131	1989
Fat. Determination in foods.	160	1998
Fat. Determination of content in milk by the Gerber method.	40	1961
Formaldehyde. Determination in foods.	54	1964
Fructose, glucose and saccharose. Liquid chromatographic determination in fruit and vegetable products.	148	1993
Gravimetric determination of fat in milk, cream and milk powder	10	2001, 3rd Ed.
Glycoalkaloids. Liquid chromatographic determination in potatoes.	159	1997
Histamine. Determination in fish.	99	1981
Histamine. Qualitative thin-layer chromatographic screening method for fish.	118	1988, 2nd Ed.
HYDROXYPROLINE. Colorimetric determination as a measure of collagen in meat and meat products.	127	2002, 2nd Ed.
Inefficient cleansing. Chemical method for detection on cups, dishes and plates	4	1962, 2nd Ed.
Iodine value. Determination in fats (Wij's method).	39	1972, 2nd Ed.
Iron. Photometric determination in food.	116	1985
L-Glutamic acid and monosodium glutamate. Enzymatic determination in meat and fish and in soups.	138	1991
Lactos and galactose. Enzymatic determination in foods.	155	1996
Lead and cadmium. Release from ceramic articles.	94	1991, 2nd Ed.
Magnesium and calcium. Determination by atomic absorption spectrometry after wet digestion in a microwave oven.	153	1996
MERCURY. Determination in Seafood by Flow Injection Cold Vapour Atomic Absorption Spectrometry (FI-CVAAS) after Microwave Digestion.	170	2002
Metals. Determination by atomic absorption spectrophotometry after wet digestion in a microwave oven.	161	1998
Metals. Determination by atomic absorption spectrophotometry in foodstuffs.	139	1991
Moisture and ash. Gravimetric determination in meat and meat products.	23	1991, 3rd Ed.
Moisture. Determination in bread.	14	1953
n-Dodecyl gallate (DG), n-octyl gallate (OG), n-propyl gallate (PG) and nordihydroguaiaretic acid (NDGA). Detection in fat. TLC method.	84	1984, 2nd Ed.
Net content and drained weight. Determination in preserved fruits and vegetables.	55	1980, 2nd Ed.
Nitrite and nitrate. Determination in meat products, brines and salt mixtures (Tentative method).	100	1982
Nitrite and Nitrate. Nitrite and/or nitrate in foodstuffs by ion chromatography.	165	2000
Nitrite: I Unspecific titrimetric routine method for the determination of nitrite in "nitrite salt" and "nitrite salpetre". II Determination of nitrite in "nitrite salt" and "nitrite salpetre", and in meat, fish and brine.	49	1963
Nitrogen. Determination in foods and feeds according to Kjeldahl.	6	1976, 3rd Ed.
Ochratoxin A. Liquid chromato-graphic deter-mination in cereal and cereal products.	143	1997, 2nd Ed.
Oxalic acid. Determination in foods.	63	2000, 2nd Ed.
Peroxide value. Determination in fat and oil.	158	1997
Peroxide value. Determination in pure fats, butter and margarine.	45	1962
Phosphatase activity. Determination for pasteurisation control of milk, cream and whey.	26	1998, 4th, Ed.
Phosphorus. Spectophotometric determination after dry ashing in food.	57	1994, 2nd Ed.
Polyphosphates. Detection by paper chromatography in meat products etc.	76	1988, 2nd Ed.
Saccharin. Liquid chromatographic determination in beverages and sweets .	122	1997, 2nd Ed.
Salicylic acid in Foods. Qualitative and Quantitative Analysis.	3	1999, 3^rd Ed.
Solids, total. Analytical determination by weight in tomato purée.	28	1958
Solids, total (water). Gravimetric determination in milk and milk products.	110	1984
Soluble dry matter. Refractometric determination in tomato purée and tomato paste.	70	1969
Starch and glucose. Enzymatic determination in foods.	145	1997, 2nd Ed.
Sugars. Identification by paper chromatography*	33*	1981, 2nd Ed.
Sulphite. Enzymatic determination in foods.	135	1990
Sulphite. Spectrophotometric determination in foods.	132	1989
Sulphurous acid. Determination in foods.	18	1970, 2nd Ed.
Sulphurous acid. Determination in foods. Additions and corrections.	18	1980
Tin. Determination by atomic absorption in fruits and vegetables.	126	1988
Tin. Quantitative determination of the total content in food. Spectrophotometric determination with quercetin.	115	1985
Total dietary fiber. Gravimetric determination after enzymatic degradation in foods (AOAC NMKL method).	129	1989
Total dietary fibre. Gas chromatographic, colorimetric and gravimetric determination in foods - Uppsala method.	162	1998
Water activity. Measuring with a polyamide filament hygrometer.	104	1984

*Method 33: The Method is old and not fitted for routine analysis. However, the method is very illustrative and therefore very useful for instruction purposes.

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Microbiological methods

Title:	No.	Year/edition
Aerobic microorganisms and presumptive Enterobacteriaceae. Enumeration on surfaces and utensils	5	2001, 5th Ed.
Aerobic microorganisms. Determination in foods.	86	1999, 3^rd Ed.
Aerobic microorganisms. Enumeration at 30^oC in foods by means of PetrifilmTM plates (AOAC NMKL method).	146	1993
Aerobic microorganisms (plate count). Determination by the plate count method at 30^oC in milk, cream and ice cream.	27	1994, 3^rd Ed.
Aeromonas species, motile. Determination in foods.	150	1995, 2^nd Ed.
Antibacterial substances. Microbiological examination of residues of antibiotics and chemotherapeutics in kidney and muscle from carcasses (4 plate method).	121	2004, 3rd Ed.
Aspergillus flavus and A. parasiticus. Determination in foods and feeds.	177	2004
Bacillus cereus. Determination in foods.	67	1997, 4^th Ed.
Bacterial count. Determination by direct epifluorescent filter technique (DEFT) in raw minced meat.	137	2002, 2nd Ed.
Bacteriological examination of fresh and frozen seafood.	96	1994, 2^nd Ed.
Bacteriological examination of fresh and frozen seafood. Amendments.	96	1994
Brochothrix thermosphacta. Determination in meat and meat products.	141	1991
Butter. Methods for microbiological examinations of butter.	20	1982, 2nd Ed.
Campylobacter jejuni/coli. Detection in foods.	119	1990, 2^nd Ed.
Canned foods. Method for the examination of keeping quality.	47	1994, 2^nd Ed.
Clostridia, sulphite-reducing. Determination in foods.	56	1994, 3^rd Ed.
Clostridium botulinum. Detection in foods and other test materials.	80	1991, 2^nd Ed.
Clostridium perfringens. Determination in foods.	95	1997, 3^rd Ed.
Coliform bacteria and Escherichia coli in foods. Determination by the plate count method with PetrifilmTM plates (AOAC NMKL method).	147	1993
Coliform bacteria. Detection in foods and fodder.	44	2001, 5^th Ed.
Coliform bacteria, thermotolerant. Enumeration in foods.	125	1996, 3^rd Ed.
Enterobacteriaceae. Determination in foods and feeds.	144	2000, 2^nd Ed.
Enterococcus. Determination in foods.	68	1992, 2^nd Ed.
Escherichia coli O157. Detection in food and feeding stuffs.	164	1999
Folate, biologically active. Microbiological determination in milk and milk products with Lactobacillus casei.	111	1985
Fusarium. Determination in foods and feedstuffs.	154	1996
Halophilic and osmophilic microbes ('pink' and 'dun'). Determination in salted fish products.	171	2002
Lactic acid bacteria. Determination in meat and meat products.	140	1991
Listeria monocytogenes. Detection in foods and feeds.	136	2004, 3^rd Ed.
Microbiological examination of fully preserved canned foods.	59	1991, 3^rd Ed.
Microorganisms, psychrotrophic. Determination by the colony count method.	74	2000, 3rd Ed.
Mould and yeasts. Determination in foods.	98	1995, 3rd Ed.
Pathogenic Vibrio species. Detection and enumeration in foods.	156	1997, 2nd Ed.
Pathogenic Yersinia enterocolitica. PCR methods for detection in foods.	163	1998
Pathogenic Yersinia enterocolitica. PCR methods for detection in foods. Amendments.	163	2001
Sampling and pre-treatment of foods and animal feedstuffs, for quantitative microbiological examination.	91	2002, 4th Ed.
Salmonella. Detection in foods.	71	1999, 5th Ed.
Shigella bacteria. Detection in foods.	151	1995
Shigella spp. PCR method for detection in foods.	174	2002, 2nd Ed.
Coagulase positive staphylococci. Enumeration in foods.	66	1999, 3rd Ed.
Toxin-producing Penicillium verrucosum. Determination in foods and feedstuffs.	152	1995
Water activity. Instrumental Determination by Novasina Electronic Hygrometer and Aqua-Lab Dew Point Instrument.	168	2001
Yersinia enterocolitica. Detection in foods.	117	1996, 3rd Ed.

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Copyright © NMKL. Latest update: 23 mars 2004 .

Copyright © NMKL.
Latest update: 23 mars 2004 .