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Table 8

Review of investigations of the effects of consumption of the soy-derived fats, fatty acids and oils on athlete health and endurance (in order of appearance in the text).

Aim of investigations Main results Author(s) and year
The effects of dietary medium- and long-chain fatty acids (TML) and soybean oil on serum lipid levels and body fat There was no difference in energy intake between the soybean oil diet and the TML diet. The rate of variation of serum triacylglycerol concentration and body fat mass were significantly lower after a consumption of the TML liquid diet than the soybean oil liquid diet Takeuchi et al. (2002)
The effects of combination of glucosamine, chondroitin sulfate, and avocado/soybean unsaponifiables on function of young, elite athletes with chronic pain or discomfort due to chondral injuries of the knee or ankle The use of the supplement did not completely eliminate pain but it revealed a general, durable improvement of sportsman health Chen et al. (2017)
The efficacy of a dietary supplement, BounceBack, to alleviate the severity of delayed onset muscle soreness (DOMS) after standardized eccentric exercise The intake of BounceBack capsules resulted in trends towards reductions in plasma indicators of inflammation (high sensitivity C-reactive protein) and muscle damage (creatine phosphokinase and myoglobin) Udani et al. (2009)
The effects of 750 mg of soybean-derived phosphatidylserine or a placebo, administered for 10 days, on markers of oxidative stress, perceived soreness, and muscle damage initiated by intermittent exercise immediately followed by an exhaustive run The suplementation in phosphatidylserine effected in increase of concentrations of plasma gamma-tocopherol and had no effect on plasma concentrations of vitamin C, alpha-tocopherol, retinol, and beta-carotene. Serum cortisol concentrations, perceived soreness, markers of muscle damage (creatine kinase and myoglobin), and lipid peroxidation (hydroperoxides and conjugated diene lag times) were elevated to an equal extent following exhaustive exercise after supplementation in phosphatidylserine and intake of placebo Kingsley et al. (2005)
The effects of soybean-derived phosphatidylserine, administered 7 days prior to eccentric exercise and for 2 days following exercise, on delayed onset of muscle soreness and markers of muscle damage, inflammation, and oxidative stress that followed prolonged downhill running Downhill running led to elevations in perceived soreness, creatine kinase activities, myoglobin concentrations, interleukin-6 concentrations, and lipid hydroperoxide concentrations. The supplementation did not significantly attenuate these responses Kingsley et al. (2006a)
The effects of 750 mg of soybean-derived phosphatidylserine, administered for 10 days, on exercise capacity, oxygen uptake kinetic response, neuroendocrine function, and feeling states during exhaustive intermittent exercise The supplementation had a significant effect on exercise time to exhaustion. Supplementation did not significantly affect oxygenkinetic mean response times, serum cortisol concentrations, substrate oxidation, and feeling states during the trial Kingsley et al. (2006b)

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