The stereoisomer D-phenylalanine (DPA) may be made by common natural and organic synthesis, both as a single enantiomer or as being a ingredient with the racemic combination. It doesn't take part in protein biosynthesis even though it is found in proteins in little quantities - especially aged proteins and food https://dominickeiawr.blazingblog.com/31596869/5-easy-facts-about-unifiram-described