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.
5 Best Octane Boosters To Buy On The Market Today 2017. NOTE: Octane boosters may advertise boosting your octane levels using a âpoints systemâ. 10 points is 1 octane level, so if thereâs an advertisement of a boost of up to 50 points, it means 5 octane levels (e.g. 87 to 92 octane). Thatâs just an example.