Strength differs not only in between brands however even for flavorings of the same brand. Firms like Flavourart and Inawera are notorious for their potent focuses, where 1-2% is ample to dominate a dish-- but even a few of theirs can be made use of in the 5-10% array. A good indicator of strength is the "average blending quantity" portion, which can be located on each taste's web page at ELR.
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