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Dietary Supplements

Hauser Laboratories, a division of Microbac Laboratories Inc., provides high quality, analytical services for the nutraceutical, functional food and natural product industries. We are committed to rapid turnaround time, outstanding technical support and personal service. Our methods can be applied to biomass, extract and finished product samples. Standard turnaround time is ten days maximum. One-day and two-day rush service is also available.

Natural Products Analyses

Microbac's Hauser Laboratories Division provides testing for a wide range of marker compounds in all forms of natural products. We continuously add methods in response to client and market needs. If you do not see your product on our list, we will be happy to work with you to develop and optimize procedures for your materials and products.

Herbal Product	Marker Compound	Method
Bilberry	anthocyanidins	Spectrophotometry
Black Cohosh	11 triterpene glycosides	HPLC
Capsicum	capsaicinoids	HPLC
Cascara Sagrada	total cascarosides	Spectrophotometry
Chamomile	apigenins	HPLC
Chasteberry	agnuside	HPLC
Citrus	bioflavonoids (hesperidin, eriocitrin, naringenin)	HPLC
Curcumin	curcuminoids	HPLC
Devil's Claw	harpagoside	HPLC
Devil's Claw	glucoiridoids	Spectrophotometry
Dong Quai	ligustilide	HPLC
Echinacea	total diene alkylamides	HPLC
Elderberry	anthocyanosides	Spectrophotometry
Ephedra	6 ephedra alkaloids	HPLC
Feverfew	parthenolide	HPLC
Garcinia Cambogia	hydroxycitric acid	HPLC
Garlic	alliin	HPLC
Ginseng- Panax	6 ginsenosides	HPLC
Ginseng - Siberian	eleutherosides	HPLC
Ginger	gingerols and shogaols	HPLC
Ginkgo Biloba	ginkgo flavone glycosides	HPLC
Ginkgo Biloba	ginkgo terpene lactones	HPLC
Goldenseal	hydrastine, berberine	HPLC
Grape Seed	proanthocyanidins	Spectrophotometry
Green Tea	8 catechins and caffeine	HPLC
Green Tea	total polyphenols	HPLC
Guarana	caffeine	HPLC
Horny Goat Weed	icarrin	HPLC
Hawthorn	vitexin-2''-O-rhamnoside	HPLC
Hawthorn	6 flavonoids	HPLC
Horsechestnut	escin	HPLC
Horsetail	silica	Gravimetric
Kava Kava	6 kavalactones	HPLC
Kudzu	10 isoflavones	HPLC
Licorice	glycyrrhizin	Gravimetric
Milk Thistle	silymarin complex	Spectrophotometry
Passion Flower	vitexin	HPLC
Passion Flower	total flavonoids	Spectrophotometry
Pepper	piperine	HPLC
Pine Bark	proanthocyanidins	Spectrophotometry
Red Clover	biochanins / isoflavones	HPLC
Rosemary	carnosic acid	HPLC
Saw Palmetto	fatty acids	GC
Saw Palmetto	sterols	GC
Senna	sennosides A and B	HPLC
Soy	10 isoflavones	HPLC
St. John's Wort	hypericin, pseudohypericin	HPLC
St. John's Wort	hyperforin	HPLC
St. John's Wort	dianthrones	Spectrophotometry
Tea	caffeine	HPLC
Valerian	valerenic acids	HPLC
Willow Bark	salicin	HPLC
Yerba Mate	caffeine	HPLC

Purity of Compounds / Product Assay

L-arginine	Glucosamine
L-carnitine	Melatonin
Coenzyme Q10	Ribose
Creatine	Vitamin C

Vitamin and Mineral Analyses

Vitamins/Minerals	Method
Ascorbic Acid	USP 27
Beta Carotene	USP 27
Biotin	STRL Method PHR-603
Calcium	USP 27
Calcium Pantothenate	USP 27, Method 1
Chloride	STRL Method PHR-501
Chromium	USP 27, with ICP-AES determination
Copper	USP 27
Folic Acid	USP 27, Method 1
Iron	USP 27
Magnesium	USP 27
Manganese	USP 27
Molybdenum	USP 27, with ICP-AES determination
Niacinamide	USP 27, Method 2
Nickel	STRL Method PHR-801
Potassium	USP 27
Pyridoxine Hydrochloride	USP 27, Method 2
Riboflavin	USP 27, Method 2
Selenium	STRL Method PHR-802
Thiamine	USP 27, Method 2
Tin	STRL Method PHR-801
Vanadium	STRL Method PHR-801
Vitamin A	USP 27, Method 2
Vitamin D	USP 27, Method 2
Vitamin E	USP 27, Method 2
Vitamin K	USP 27, Method 2
Zinc	USP 27

Superior Science

Analyses include:

• Multipoint calibration curves
• Duplicate sample preparations
• Duplicate HPLC injections
• Loss on drying or average dosage weight determination
• Marker compound identities confirmed by retention time and photodiode array spectral analysis where applicable
• ISO 17025 trained chemists to discuss your results
• Rigorous data review that includes statistical analysis
• Calibration and operational control on all instruments
• Strict client confidentiality

Related Capabilities

• Nutraceutical and phytochemical analyses
• Label verification
• Dissolution testing
• Analytical Method Development and Validation
• Vitamins, minerals and metals testing
• Complete nutritional labeling for NLEA compliance
• Fatty acid profiles (including omega-3 fatty acids) and oil and fat stability analyses
• Pesticide residue analysis
• Filth and extraneous matter detection
• Aflatoxin and mycotoxin analysis
• Dietary fiber, amino acids and antioxidants analyses
• Air quality assessments
• Microbial limits and challenge testing
• Shelf life studies
• HACCP plan validation and verification
• Out-of-compliance and contaminant testing
• Packing, processing, calibration problem and product adulteration analyses

Contact: Hollie Rasmussen @ 720-406-4669 or hrasmussem@microbac.com

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