"…The effect of carotenoids on in vitro Ig production by human peripheral and cord blood cells was then examined in humans.
Blood samples from adult volunteers and full-term newborn babies were cultured with and without carotenoid supplementation, and then were stimulated by T-dependent stimulant. Astaxanthin enhanced IgG, A, and M production in response to Tdependent antigens and a T-dependent stimulant, while the effect of β-carotene was negligible (Jyonouchi et al., 1995b)…"
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