Exhibit 32.1 CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (SUBSECTIONS (a) AND (b) OF SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED STATES CODE) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of Title 18, United States Code), each of the undersigned officers of NutraCea, a California corporation (the "Company"), does hereby certify with respect to the Quarterly Report of the Company on Form 10-QSB for the quarter ended September 30, 2003 as filed with the Securities and Exchange Commission (the "10-QSB Report") that: (1) the 10-QSB Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and (2) the information contained in the 10-QSB Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Dated: November 19, 2003 NUTRACEA /s/ Patricia McPeak ----------------------------- Patricia McPeak Chief Executive Officer /s/ Joanna Hoover ----------------------------- Joanna Hoover Chief Financial Officer