Root Crops, such as yams and cassava, contain cyanoglucosides, mainly linamarin, which normally are metabolized to release cyanide radicals which are detoxified by the rhodanese enzymatic pathway or sulfur–containing amino acids to produce the nontoxic thiocyanate. Both these pathways are slowed during undernutritional states resulting in possible cyanide damage to pancreas and diabetogenicity resulting. Vit B2, riboflavin protects against this development.