Supplement Active Component Assays:

Name Analytical Method Analytical target(s)
Alanine TLC (Purity); Perchloric acid titration (Assay) Alanine
Almond Oil GC Fatty acids composition
Almond Oil GC Sterols
Alpha Lipoic Acid HPLC Thioctic acid (Alpha lipoic acid)
Amygdalin HPLC Amygdalin
Arginine TLC (Purity); Perchloric acid titration (Assay) Arginine
Arginine Hydrochloride Spectrophotometric Arginine hydrochloride
Ascorbic Acid Titration; HPLC Ascorbic acid
Aspartame Titration L-Aspartyl-L-phenylalanine methyl ester
Aspartame, in formulation HPLC L-Aspartyl-L-phenylalanine methyl ester
Aspartic Acid Titration; HPLC Aspartic acid
Bee Propolis HPLC Flavonoids
Beta Carotene Spectrophotometric; HPLC beta-Carotene
Betaine Hydrochloride Titration Betaine hydrochloride
Biotin Titration (for raw material); Immunoassay (for formulations); HPLC Biotin
Calcium Ascorbate Titration; HPLC Calcium ascorbate
Calcium Carbonate Titration Calcium carbonate
Calcium Citrate Titration; ICP, IC Calcium citrate
Calcium Gluceptate Titration Calcium gluceptate
Calcium Gluconate Perchloric acid titration Calcium gluconate
Calcium Lactate Titration Calcium lactate
Calcium Lactobionate TLC (Identification); Titration (Assay) Calcium lactobionate
Calcium Levulinate Titration Calcium levulinate
Calcium Pantothenate Titration; HPLC Calcium pantothenate
Camphor GC Camphor (2-Bornanone)
Cassia Oil GC Essential oil profile
Chitosan Spectrophotometric Chitosans
Chlorophylls Spectrophotometric Chlorophylls a & b
Cholecalciferol HPLC Cholecalciferol
Choline Bitartrate HPLC Choline bitartrate
Choline Chloride HPLC Choline chloride
Chondroitin Sulfate GPC Molecular weight determination
Chondroitin Sulfate Enzymatic hydrolyzation, HPLC Chondroitin sulfate
Chondroitin Sulfate Sodium Titration Chondroitin sulfate
Chromium Picolinate Spectrophotometric Chromium picolinate
Clove Oil GC Essential oil profile
Coconut Oil GC Fatty acids composition
Cod Liver Oil GC (Identification); HPLC (Assay for Vitamin D) Fatty acid profile, Vitamin D
Cod-Liver Oil Spectrophotometric Anisidine value
Cod-Liver Oil GC Fatty acids composition
CoEnzyme Q10 (Ubidecarenone) HPLC-UV Ubidecarenone
Conjugated Linoleic Acid (CLA) GC cis and trans isomers of conjugated linoleic acid
Creatine HPLC Creatine
Curcumin HPLC Curcumin
Cyanocobalamin (Vitamin B12) Spectrophotometric (Assay); Microbiological (Activity assay); HPLC Cyanocobalamin (Vitamin B12)
DHEA (Dehydro-piandrosterone) HPLC Dehydroisoandrosterone
Dopamine HPLC 3-Hydroxytyramine
Equilin HPLC Equilin
Ergocalciferol HPLC Ergocalciferol
Estradiol HPLC Estradiol
Estriol HPLC Estriol
Estrogens, Conjugated or Esterified GC Sodium estrone sulfate, Sodium equilin sulfate, 17α-dihydroequilin, 17β-dihydroequilin, 17α-Estradiol
Estrogens, in cosmetics HPLC Equilin, Estrone and Estrone-3-sulfate
Estrone HPLC Estrone
Fatty Acids, free GC Free fatty acids
Fatty Acids, total GC or AOAC method Total fatty acids
Ferrous Fumarate Titration Ferrous fumarate
Ferrous Gluconate Titration Ferrous gluconate
Ferrous Sulfate Titration Ferrous sulfate
Glucosamine Hydrochloride HPLC ; or Pre-column Derivatization HPLC (proposed AOAC method) Glucosamine
Glucosamine Sulfate Potassium Chloride HPLC Glucosamine
Glucosamine Sulfate Sodium Chloride HPLC Glucosamine
Gluten Immunoassay, quantitative Gluten
Gluten Immunoasaay, semi-quantitative Gluten
Hydroxytryptophan, 5- (5-HTP) HPLC 5-Hydroxy-DL-tryptophan (5-Hydroxytryptophan, 5-HTP)
Ibuprofen HPLC Ibuprofen
Inositol HPLC Inositol
Inositol Nicotinate HPLC Inositol hexanicotinate
Inositol Phosphates HPLC Inositol phosphates
Insulin HPLC (assay for bovine or porcine insulin); Immunoassay (assay for serum insulin level) Insulin
Inulin Spectrophotometric Inulin
Iodine Titration Iodine
Lactose, in milk HPLC Lactose
Lectins, in beans Immunoassay Specific lectins
Lemon Oil UV Adulterants detection
Linolenic Acid, g- GC g-Linolenic acid
Lipid Peroxidation Profile for oils Spectrophotometric Malonaldehyde, Hydroxyalkenals
Lipoic Acid, a- HPLC Thioctic acid (a-Lipoic acid)
Lovastatin HPLC Lovastatin
Lutein HPLC Lutein; Total carotenoids
Lysine Acetate TLC (purity); Perchloric acid titration (assay); HPLC Lysine
Lysine Hydrochloride TLC (purity); Perchloric acid titration (assay); HPLC Lysine
Magnesium Gluconate Titration Magnesium gluconate
Magnesium Oxide Titration Magnesium oxide
Manganese Gluconate Titration Manganese gluconate
Mannitol HPLC-RI Mannitol
Melatonin HPLC Melatonin
Menthol GC Menthol
Methionine Perchloric acid titration ; HPLC Methionine
Methylsulfonyl-methane (MSM) GC Dimethyl sulfone
Niacin Spectrophotometric ; HPLC Niacin (Nocotinic aicd)
Niacinamide HPLC Niacinamide (Nicotinamide)
Nicotine GC Nicotine
Olive Oil GC Fatty acids composition
Olive Oil GC Sterols
Oxytocin HPLC Oxytocin
P-Anisidine Value, for oils AOCS/AACC method P-Anisidine value
Panthenol Titration Panthenol
Pectin Titration Assay for methoxy groups and galacturonic acid
Phenylalanine Perchloric acid titration (non-specific); HPLC Phenylalanine
Phosphatidylcholine HPLC Phosphatidylcholine
Phosphatidylserine (PS-30) HPLC Phosphatidylserine
Phospholipids HPLC Phospholipids profile: lysophosphatidylcholine, phosphatidic acid, phosphatidylcholine, phosphatidylinositol, phosphatidylserine, phosphtidylethanolamine, sphingomyeline
Polymethoxylated Flavones HPLC-UV Polymethoxylated flavones: Sinensetin (5,6,7,3’,4’-Pentamethoxyflavone), Nobiletin (5,6,7,8,3’,4’-hexamethoxyflavone), Heptamethoxyflavone (3,5,6,7,8,3’,4’-Heptamethoxyflavone), Tetramethylscutellarein (5,6,7,4’-Tetramethoxyflavone), Tangeretin (5,6,7,8,4’-Pentamethoxyflavone)
Phytonadione HPLC Z-Phytonadione, E-Phytonadione
Potassium Citrate Titration Potassium citrate
Potassium Gluconate Atomic Absorption Spectrophotometric Potassium gluconate
Pregnenolone HPLC 5-Pregnen-3b-ol-20-one
Progesterone, in cosmetics HPLC Progesterone
Proline TLC (purity); Titration (assay); HPLC Proline
Pyridoxine Hydrochloride (Vitamin B6) HPLC Pyridoxine hydrochloride
Riboflavin Fluorometric; HPLC Riboflavin
Riboflavin 5’-Phosphate Sodium Spectrophotometric Riboflavin 5’-phosphate sodium
Royal Jelly GC 10-Hydroxy-2-Decenoic Acid (10-HDA)
SAM-e (S-Adenosylmethionine) HPLC S-Adenosylmethionine
Selenomethionine HPLC-UV Selenomethionine
Serine Perchloric acid titration (assay); TLC (purity) Serine
Serotonine (5-HT) HPLC 5-Hydroxytryptamine
Sodium Ascorbate Titration Sodium ascorbate
Stanols and Sterols GC Steroids
Stanozolol Titration or Spectrophotometric ; HPLC Stanozolol
Superoxide Dismutase (SOD) Spectrophotometric SOD
Tannins, Total Spectrophotometric Tannins
Thiamine Hydrochloride HPLC Thiamine hydrochloride
Thiamine Mononitrate HPLC Thiamine mononitrate
Threonine Perchloric acid titration ; HPLC Threonine
Thyme Oil GC Essential oil profile
Trypsin Inhibitor Activity TIU Assay (AOCS/AACC) Trypsin inhibitor
Tryptophan, L- Perchloric acid titration ; HPLC L-Tryptophan
Tyrosine HPLC Tyrosine
Tyrosine Perchloric acid titration ; HPLC Tyrosine
Ubidecarenone (CoEnzyme Q10) HPLC-UV Ubidecarenone
Valine Perchloric acid titration ; HPLC Valine
Vanillin HPLC Vanillin
Vanillin Spectrophotometric Vanillin
Vitamin A HPLC Retinol
Vitamin B12 (Cyanocobalamin) Spectrophotometric (Assay); Microbiological (Activity assay); HPLC Cyanocobalamin (Vitamin B12)
Vitamin C Titration ; HPLC or Fluorometric Ascorbic acid
Vitamin D HPLC Ergocalciferol (Vitamin D2), Cholecalciferol (Vitamin D3)
Vitamin E HPLC d– or dl-alpha Tocopherol, d- or dl-alpha tocopheryl acetate, d- or dl-alpha tocopheryl acid succinate