For testing accelerated conditions time points are (0, 3, 6 months) and one additional time point should be covered, and then storage conditions are 40 degrees Celsius ± 2 degrees Celsius temperature and 75 percent ± 5 %. Analyses performed: Paradoxically, when this decomposition is being assessed the skilled formulator becomes a victim of his own expertise, as a good formulation will take a long time to decompose. Contract Laboratory, U.S. Coast Guard for Alaskan Vessel Discharge Program. When testing a product for aesthetic and physical stability there are many characteristics to look for that will determine if the product is still of good quality over the designated use time. Kappa Laboratories is currently a Contract Laboratory to the U.S. Centers for Disease Control (CDC), Atlanta, Georgia; Vessel Sanitation Program. Some individuals have allergic reactions to both mold and yeast. Type desired TAA & TRT Values 3. and Cultural Confirmation, *PCR Listeria monocytogenes and Cultural Confirmation, High Pressure Liquid Chromatography (HPLC) Analysis. Accelerated Stability Study Accelerated stability testing All medicinal products decompose with time. Fax: (305) 592-1224 Identify of tests that will “accelerate and predict” the effects of normal conditions of storage and use. Shelf life testing is performed to test the bacterial integrity of a finished product. To get started with Kappa Laboratories Testing Services, send an e-mail to the laboratory ( with the following details: Main Laboratory

ISO/IEC 17025 Accredited: Salmonella spp., Listeria spp. Intermediate accelerated stability testing: The samples are evaluated in comparison with the standard sample (must remain unchanged during the whole life cycle of the product) and with products that are considered as ‘’references’’ submitted to the same test conditions. A good preliminary recommendation is the centrifugation test. Also the shelf life should be establish beyond the actual expiry date of the product to insure that an out of date product is safe beyond the expiry date marked. Extra Timepoints: $95 per timepoint. It is up to each manufacturer to determine the appropriate conditions for the use of their products based on knowledge of the formulations and of the intended use, with a focus on: 1. Study conditions (sample storage conditions, test time period and periodicity of the evaluations). It is recommended that accelerated shelf-life studies be accompanied by a shelf-life study conducted under normal storage conditions in order to determine the actual Q10 value. The product must remain stable and any sign of instability shows the need for reformulation. The purpose of stability testing is to ensure that the cosmetic product maintains its intended physical, chemical and microbiological quality, as well as functionality and aesthetics when stored under appropriate conditions.

The limits of acceptability must be defined by the formulator, considering the visual and sensorial perceptions caused by alterations. Stability is used to determine quality of a drug substance or drug product shelf life for the drug product Recommended storage conditions 5. At selected intervals, samples are evaluated for various physical, chemical and performance characteristics to see if and how they have changed. Typically, a Q10 value of 2 is used as an initial shelf-life estimate, but this may not represent the actual acceleration factor of a specific food product. The four types of stability generally recognized for most products are as follows: The shelf-life testing protocol may be customized for each type of food group submitted for testing and will pertain to the parameters outlined above. 4. Why stability testing is necessary- Chemical … All Rights Reserved. If the product passes this test, the product can then be submitted for the remaining stability tests. Staph. The food industry has a great need to have a shelf-life test in the minimum time possible … A general standard for accelerated testing… Consider the impact of packaging on the contained product, as well as any effects which the product might have on the packaging. Analytical data in relation to other parameters for specific product type, A sample heated to 50°C is centrifuged at 3,000rpm for 30 minutes. Microbiological, Chemical, Environmental Testing Laboratory, *PCR Salmonella spp and Cultural Confirmation, *PCR Listeria spp. *Initial Time Point. The possibility of the consumers also noticing them must be considered. A projected shelf life should include a reasonable time for production, distribution, sale and consumption. challenge test, if applicable; When applicable, the period after opening (PAO) and its justification. An initial sample is tested for the following Microbiological Series when the samples are received. The shelf life of a product is the recommended length of time that perishable items are considered suitable for sale, use, or consumption. Values above 60°C are not recommended. ... oC and from this we calculate the shelf-life. Accelerated shelf life testing is based on the idea that a product that is exposed to extreme conditions will perish at a faster rate than a product stored and used under normal conditions. A projected expiry date of fourteen (14) days should have a final time point at 18 to 21 days. Generally limits of acceptance are defined for the evaluated parameters. Ambient temperature studies are carried out at 25 degrees Centigrade and are conducted in real time. Coliforms – Coliform bacteria are indications of general sanitation status of the product. The samples are heated, cooled and subjected to alternative heat/cool cycles. Shelf life to be simulated (days) Days.

Q10 value can be changed, however, default is Q10=2.0, we recommend holding this constant 4. It is recommended to use at least one batch of the cosmetic product, the same formulation as the marketed product. After being tested, the sample is returned to the Chemistry laboratory and the pH is measured. *PCR Listeria monocytogenes and Cultural Confirmation: SOP 2.1, 2.2, AOAC – RI 061302 Address: 1304 W. Industrial Blvd, Round Rock, TX 78681, High-Level Disinfectant and Sterilant Testing, Cleanroom Disinfectant Qualification and Validation, Environmental Monitoring and Swab Studies, Regulation of Hard Surface Disinfectants by EPA, EPA Lower Certified Limit Testing Requirement, Introduction to EPA Antimicrobial Device Regulation, Introduction to High Level Disinfectant Testing. FDA Bacteriological Analytical Manual (BAM), 8th Edition, Chapter 12, 1998. Accelerated Stability Test – also known as normal or exploratory stability test. aureus – Staphylococcus aureus is a common cause of food poisoning derived from product handling. Cost Shelf Life Testing: $550.00 – Please send payment with samples Accelerated Shelf-life Test Real Time assessment is usually time and resource consuming. The testing is carried out in the same manner for each time point. Each product will be evaluated prior to running the study to determine the time points to be tested. If applicable, the specific preservation precautions should be mentioned.   |   (512) 310-8378. The remaining three samples are placed under refrigeration at 33 Degrees Fahrenheit until the time they are to be tested. Small alterations are acceptable at high temperatures. Total Plate Count – All of the Aerobic Bacteria present. This test predicts emulsion creaming for powder and liquid/cream products. Answering this question will help you determine how long your product will be suitable for consumers. The time points for the testing in a refrigerated study are determined by the nature of the product. A projected Shelf Life should include a reasonable time for production, Distribution, Sale and Consumption. 2. Determining the shelf life of a cosmetic or personal care product is not easy especially due to the nature of use by consumers. Cosmetic and personal care products that are intended for storage at room temperature have two options for stability testing, realtime and accelerated testing. The shelf-life testing protocol may be customized for each type of food group submitted for testing and will pertain to the parameters outlined above. Where relevant, consider stresses, including temperature, that will enable assessment of product integrity under anticipated product exposure conditions. FDA Bacteriological Analytical Manual (BAM), 8th Edition, Chapter 4, 1998. and Cultural Confirmation: SOP 2.2, 2.2, AOAC – RI 071304 2577 NW 74th Ave. Products which are not able to be heated or where mold and yeast may be a problem, such as baked goods would be tested under these conditions. Evidence that the composition of the product used for stability testing corresponds to the product actually placed on the market; The results of the preservative efficacy study, e.g. Keep up on new methods and EPA/FDA news. Arrhenius plot for E. coli – E. coli is a human fecal marker and should not be present. Copyright © 2020 Kappa Labs. Accelerated shelf-life testing (ASLT) is an indirect method of measuring and estimating the stability of a product by storing the product under controlled conditions that increase the rate of degradation … Accelerated Aging Factor is automatically calculated and provided here for reference 5. *Contact Laboratory for Chain of Custody to be submitted with samples. The finished report is an excellent sales tool as it indicates that the product is shelf stable and free of pathogenic bacteria. *Requires five (5) finished product samples to be submitted per product per study. Accelerated shelf life testing is based on the idea that a product that is exposed to extreme conditions will perish at a faster rate than a product stored and used under normal conditions. The Conclusion report on stability study shall contain: 3. Appropriate tests for determination of identity, wholesomeness and quality of a given product will be outlined prior to the initiation of the stability study. Many people are unaware that stability testing can be performed at an accelerated rate. Other parameters can be established according to the formulator and the products’ specifications.
Stability testing is an experiment in which samples of the formula are put at different environmental/ storage conditions for a set period of time to simulate what will happen to the product during its life cycle. A description of the methodology used to determine the product’s minimum durability. Microchem can help speed your project to completion. Preliminary stability test – it is also known as Screening test, Accelerated stability test or Short term test.
Accelerated aging temperature (°C) Typical values are 50°C , 55°C and 60°C .

The most common conditions for stability testing of cosmetic products are listed in several published references: International Federation of Societies of Cosmetic Chemists, IFSCC Monograph, Number 2: The Fundamentals of Stability Testing: Cosmetic Regulation in a Competitive Environment (Chapter 11; Stability Testing of Cosmetic Products). Accelerated Shelf-life Test Real Time assessment is usually time and resource consuming. The container/closure system(s) shall be the same as that is proposed for marketing. *PCR Listeria spp. In addition, the following should also be provided: 5. Accelerated Aging Time Calculator ASTM F1980-07. Description of the sample to be analyzed. This test is a predictive study that can be used to estimate the expiry date of the product. It is used to simulate real shelf-life aging and is conducted to validate shelf-life claims … Enter your e-mail and subscribe to our newsletter.

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