Cosmetic and personal care products that are intended for storage at room temperature have two options for stability testing, realtime and accelerated testing. Appropriate controls (for example, product in glass containers) should be used. And Listeria monocytogenes. To get started with Kappa Laboratories Testing Services, send an e-mail to the laboratory ( with the following details: Main Laboratory Microchem can help speed your project to completion. 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 %. Stability is used to determine quality of a drug substance or drug product shelf life for the drug product Recommended storage conditions 5. Accelerated Shelf-life Test Real Time assessment is usually time and resource consuming. Any other studies carried out on the cosmetic product outside its immediate container or in other packaging materials can form a useful part of the stress testing of the cosmetic product or can be considered as supporting information, respectively. Determining the shelf life of a cosmetic or personal care product is not easy especially due to the nature of use by consumers. The laboratory will assist you in setting up a shelf life study. Type the target shelf life (Days) 2. 4. Consider evaluation of critical aesthetic properties such as colour, fragrance, texture, and flow, particularly after exposure to conditions designed to stress each specific property. Accelerated Shelf-life Test Real Time assessment is usually time and resource consuming. The remaining three samples are placed under refrigeration at 33 Degrees Fahrenheit until the time they are to be tested. aureus – Staphylococcus aureus is a common cause of food poisoning derived from product handling. FDA Bacteriological Analytical Manual (BAM), 8th Edition, Chapter 12, 1998. Generally limits of acceptance are defined for the evaluated parameters. The testing is carried out in the same manner for each time point. A projected shelf life should include a reasonable time for production, distribution, sale and consumption. After being tested, the sample is returned to the Chemistry laboratory and the pH is measured. The Conclusion report on stability study shall contain: 3. The finished report is an excellent sales tool as it indicates that the product is shelf stable and free of pathogenic bacteria. 2577 NW 74th Ave. Appropriate tests for determination of identity, wholesomeness and quality of a given product will be outlined prior to the initiation of the stability study. Extra Timepoints: $95 per timepoint. Accelerated Aging Factor is automatically calculated and provided here for reference 5. Total Plate Count – All of the Aerobic Bacteria present. Mold /Yeast – Can be spoilage organisms and can produce aflatoxins. relative humidity.   |   (512) 310-8378. Intermediate accelerated stability testing: challenge test, if applicable; When applicable, the period after opening (PAO) and its justification. A description of the methodology used to determine the product’s minimum durability. Fax: (305) 592-1224 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 … The common and conservative means of the accelerated aging calculation is based on the Arrhenius equation which states that a 10°C increase in temperature doubles the rate of chemical reaction. This test helps screen the formulation in the product development stages. The container/closure system(s) shall be the same as that is proposed for marketing. For temperature sensitive ingredients the top temperature can be adjusted to 40°C. Accelerated aging temperature (°C) Typical values are 50°C , 55°C and 60°C . *PCR Listeria spp. Must remain stable for at least 15 days when exposed to sunlight. This test is a predictive study that can be used to estimate the expiry date of the product. Time Points would be Initial, Day 7, Day 14 and Day 21. Study conditions (sample storage conditions, test time period and periodicity of the evaluations). Analyses performed: Ambient temperature studies are carried out at 25 degrees Centigrade and are conducted in real time. Miami, Florida 33122, Phone: (305) 599-0199 A general standard for accelerated testing, based on the Arrhenius Equation, is: 10 weeks at 45°C is equivalent to 1 year at ambient (~21°C) temperature. 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. 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. The possibility of the consumers also noticing them must be considered. Type desired TAA & TRT Values 3. Also, the Shelf Life should be established beyond the actual expiry date to insure that an out of date product is safe beyond the expiry date marked. Number of samples and number of analytes to be determined. E. coli – E. coli is a human fecal marker and should not be present. Shelf life to be simulated (days) Days. Microbiological, Chemical, Environmental Testing Laboratory, *PCR Salmonella spp and Cultural Confirmation, *PCR Listeria spp. The data will then provide a margin of documented Product Safety. The signature of the person responsible for the study. They are: It is also important to test the product in the packaging it will be marketed in, as it will give the most accurate shelf life results. An initial sample is tested for the following Microbiological Series when the samples are received. ISO/IEC 17025 Accredited: Salmonella spp., Listeria spp. 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. Salmonella and Listeria are tested along with all of the tests listed at the Initial time point, one month, two month and three month time points. ... oC and from this we calculate the shelf-life. Small alterations are acceptable at high temperatures. and Cultural Confirmation: SOP 2.2, 2.2, AOAC – RI 071304 Many people are unaware that stability testing can be performed at an accelerated rate. It is used to simulate real shelf-life aging and is conducted to validate shelf-life claims … 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. 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. At selected intervals, samples are evaluated for various physical, chemical and performance characteristics to see if and how they have changed. 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. FDA Bacteriological Analytical Manual (BAM), 8th Edition, Chapter 4, 1998. The results will declare the stability of the product and the report will contain the following statement: Based upon the Microbiological results of the sample listed above and insofar as the analyses performed were able to assay for the presence or absence of specific pathogens, the product represented by the sample analyzed would appear to be wholesome and fit for human consumption for a projected shelf life of (time indicated), Samples needed: 5 individual containers Cost Shelf Life Testing: $550.00 – Please send payment with samples

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