Different types of palm oil respond differently to antioxidant additives — some work better in one kind than another.
Scientific Claim
The effectiveness of antioxidants (TBHQ and BHT) in reducing oxidation varies by palm oil derivative, with BHT most effective for RPKOL, RBDOL, and RBDST in reducing peroxide value, while TBHQ was most effective for RPKS.
Original Statement
“For PV, BHT was the most effective antioxidant for RPKOL at a 29.75% increase, RBDOL at 9.91%, and RBDST at 5.26% but for RPKS TBHQ was the most effective increase at 19.83%.”
Evidence Quality Assessment
Claim Status
overstated
Study Design Support
Design cannot support claim
Appropriate Language Strength
association
Can only show association/correlation
Assessment Explanation
The abstract uses 'most effective' as if ranking causality, but without controlled comparisons across all variables, only association can be claimed.
More Accurate Statement
“The reduction in peroxide value associated with BHT and TBHQ varies across palm oil derivatives, with BHT showing the greatest association in RPKOL, RBDOL, and RBDST, and TBHQ showing the greatest association in RPKS.”
Evidence from Studies
Supporting (1)
The study found that BHT worked best to stop oil from going bad in three types of palm oil, but TBHQ worked better in one type—exactly what the claim says.