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.
There is another type of octane rating, called Motor Octane Number (MON), or the aviation lean octane rating, which is a better measure of how the fuel behaves when under load as it is done at 900 rpm instead of the 600 rpm of the RON<ref>http://www.texacoursa.com/glossary/r.html</ref><ref>http://www.texacoursa.com/glossary/m.html</ref>.
Check your vehicleâs ownerâs manual to see what your car manufacturer recommends and simply go with that. If regular unleaded is all your car needs, donât spend extra on higher octane gas. Your vehicle likely will not see any improvement in performance or fuel economy â itâs not a âtreatâ for your vehicle!Premium Unleaded (91+ octane). This type of fuel has a higher octane level, typically between 91 and 93. For example, regular unleaded might be around 87 octane while premium would be 90 or 91.ven at the gas pump we face a choice â premium unleaded versus regular unleaded. But at the gas station, many of us donât know the difference or which is the better value. Hereâs all you need to know about each type of gas. Regular Unleaded (87 or 89 octane). This is the standard and cheapest option at the pump.