For the most curcumin, be sure to use turmeric rather curry powderâa study analyzing curcumin content in 28 spice products described as turmeric or curry powders found that pure turmeric powder had the highest concentration of curcumin, averaging 3.14% by weight.
The most common type of octane rating worldwide is the Research Octane Number (RON). RON is determined by running the fuel in a test engine with a variable compression ratio under controlled conditions, and comparing the results with those for mixtures of iso-octane and n-heptane.
The most common form of octane gas is 87octane. Generally speaking, octane gas increases the cost of fuel, and the higher the grade you purchase the more money you will spend. You can determine what type is needed for your vehicle byâ¦. Looking at the owners manual.