QuantiQuik™ Pyruvate Quick Test Strips
Protocol SDS Available on Amazon Right now on eBay   Printed Protocols and SDSs are not provided with kits.

Application
Direct determination of Pyruvate concentrations in food and beverage samples as well as biological samples.

Key Features
Fast and sensitive. Use of 50, 100, or 400 µL sample. Semi-quantitative measurement between 0-131 mg/L (undiluted) Pyruvate.

Convenient. No expensive lab equipment needed.

Sample treatment and assay can be performed in under 15 minutes.

Method
Visual

Samples
Wine, beer, biological samples, etc.

Species
All

Procedure
Approximately 15 min

Size
10 tests

Shelf Life
6 months

More Details
PYRUVATE, a key intermediate in cellular metabolic pathways, can be converted to a variety of things such as carbohydrates, fatty acids, and energy depending on the pathway. It can also be converted to alanine and ethanol. In the beverage industry, monitoring levels of pyruvate during alcoholic fermentation can be important for production of beer, wine, and spirits. Some brewers even add sodium pyruvate to their beer to alter the flavor and give the beer more body. In regards to health, abnormal levels of pyruvate have been linked to various liver diseases and metabolic disorders.

BioAssay Systems QuantiQuik™ Pyruvate Test Strips are based on pyruvate oxidase catalyzed oxidation of pyruvate in which peroxidase reduces the formed peroxide and oxidizes a chromogenic reagent. The intensity of the blue product is directly proportional to pyruvate concentration in the sample.

1. What samples have you tested?



White wine, beer, serum, plasma, and urine.

2. How sensitive are the Pyruvate strips?



The Strips can measure levels as low as 50 µM of undiluted pyruvate; however, most samples will require some sort of dilution. The following are the detection limits for samples requiring a dilution:
   • Samples requiring a 2× dilution (e.g. serum and plasma): 100 µM, 8.7 mg/L pyruvate
   • Samples requiring a 5× dilution (e.g. beer, acidic samples, etc): 250 µM, 22 mg/L pyruvate
   • Samples requiring a 9× dilution (e.g. white wine and urine): 450 µM, 39 mg/L pyruvate

3. My sample turns the strip very dark blue, how can I determine the pyruvate concentration?



Very dark blue indicates that the diluted sample concentration is greater than 1.5 mM (131 mg/L or ppm) pyruvate. To obtain a more accurate concentration, the sample should be diluted and retested. For example, if the sample was diluted 2×, try diluting 5× or 9×. Multiply the concentration of the corresponding color by the dilution factor to determine the pyruvate concentration.

4. I don’t have access to a pipetteman. How can I accurately measure out my samples?



We offer exact volume transfer pipettes as an accessory. For samples requiring a 2× dilution, order the 400 µL transfer pipettes (TP400). For samples requiring a 5× dilution, order the 100 µL transfer pipettes (TP100). For samples requiring a 9× dilution, order the 50 µL transfer pipettes (TP50).

5. Can I store unused reagents for future use?



Yes, unused reagents can be stored according to the assay protocol. The strips should be kept in a dry, preferably cool location protected from light.

For more detailed product information and questions, please feel free to Contact Us. Or for more general information regarding our assays, please refer to our General Questions
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Please inquire or request assay service or call 1-510-782-9988 x 2.
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QuantiQuik™ Pyruvate Quick Test Strips
Catalog No: QQPYR10
Price: $49    Qty:
For orders of 10 or more kits, please call 1-510-7829988x1 or email us for best pricing and/or bulk order.

Shipping: Free Shipping
Shipment: USPS
Delivery: 2-5 days (Continental US only) Storage: RT

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