The invention concerns blends of a hydroquinone substituted poly unsaturated fatty acid (as present in Kombo nut oil) or a derivative thereof, which blends comprised: (i) 0.1-99.9 wt % of the substituted acid (ii) 0-99.8 wt % of Kombo butter glycerides (iii) 0.1-99.9 wt % of other triglyceridesFood products and food supplements comprising such hydroquinone substituted acids are also part of the invention. The substituted acids display many useful health benefits.