The impact of such a proposition of Research fibers from purple corn was the addition of 0 - 40% (w / w) mixed with poly lactic acid in the production of bioplastics. Then evaluate various aspects of bioplastic suitable for commercial use packaging materials from the trial showed that the addition of purple corn is much more likely to make biodegradable plastic sheet. Glass transition temperature and melting temperature applications increased by the addition of purple corn cob percentage 20 (w / w) to produce bio-molded plastic packaging that features the following is 1.5x10-4 m / m2. .mmHg.day, 18.02 ± 0.33 MPa, 29.42 ± 0.05 ͦ C, 145.84 ± 0.30 ͦ C respectively and biodegradable 34.97 ± 1.1 percent at 10 weeks, the addition of purple corn fiber that can be added to increase the strength. torn Reduce the permeability of water vapor. Slow degradation of bio-plastic. The biological decomposition of the plastic over time, 10 percent biodegradable week 20-70.