Cosmetics
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What is Off-Odor?
What is off-odor? The true answer is you’ll know it when you smell it! Doesn’t have to stink like dead fish or 2 week old ground beef left in the refrigerator, although those certainly are obnoxious. Off-odor can be a nice fresh floral smell, like that of a rose, only the rose aroma originates from […]
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Measurement of volatiles from Applied Skin Lotions
The objective for this project was to determine what compounds were uniquely generated from skin treated with lotion. Samples (conditioned Twister bars exposed to skin headspace) were received from Unilever and stored under refrigeration until analyzed by a GC-MSD equipped with Gerstel components including: MPS2, TDU, CIS, and MACH. Twister bars were placed into TDU […]
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Statistics of Sensory Assessment: Cohen’s Kappa
Statistics of Sensory Using people as diagnostic sensors produces more variation than instrumental methods. There are situations where the benefits of human-based measures outweigh their inconsistency. This is particularly true for aromas and flavors. Choosing, training and aligning panelists is a big investment. If sensory activities are key to your business success, you need to [...]
