rice bran

^[1]^[2]^[3]

Adverse effects

contains high levels of arsenic, As(V) present in 100-fold amounts greater than white rice (China)^[2]
rice bran contains total & inorganic arsenic ~7 & 9 times higher, respectively, than found in polished rice (Thailand)^[3]

byproduct of milling rice
contains 12%-13% oil
contains highly unsaponifiable components (4.3%) consisting of tocotrienols, gamma-oryzanol & beta-sitosterol with favorable effects on lipid profiles
containsdietary fibres (beta-glucan, pectin and gum)
contains ferulic acid
contains high levels of arsenic

↑ Wikipedia: Bran http://en.wikipedia.org/wiki/Bran
↑ ^2.0 ^2.1 Dai S, Yang H, Mao X et al Evaluation of arsenate content of rice and rice bran purchased from local markets in the People's Republic of China. J Food Prot. 2014 Apr;77(4):665-9 PMID: https://www.ncbi.nlm.nih.gov/pubmed/24680082
↑ ^3.0 ^3.1 Ruangwises S, Saipan P, Tengjaroenkul B, Ruangwises N Total and inorganic arsenic in rice and rice bran purchased in Thailand. J Food Prot. 2012 Apr;75(4):771-4 PMID: https://www.ncbi.nlm.nih.gov/pubmed/22488070