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10-K - FORM 10-K - CYANOTECH CORPa2199186z10-k.htm
EX-31.1 - EXHIBIT 31.1 - CYANOTECH CORPa2199186zex-31_1.htm
EX-23.2 - EXHIBIT 23.2 - CYANOTECH CORPa2199186zex-23_2.htm
EX-32.1 - EXHIBIT 32.1 - CYANOTECH CORPa2199186zex-32_1.htm
EX-32.2 - EXHIBIT 32.2 - CYANOTECH CORPa2199186zex-32_2.htm
EX-31.2 - EXHIBIT 31.2 - CYANOTECH CORPa2199186zex-31_2.htm

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Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors
Cyanotech Corporation:

We have issued our report dated June 24, 2010, with respect to the consolidated financial statements and financial statement schedule listed in index appearing under 15(a)(2) in the Annual Report of Cyanotech Corporation and subsidiary on Form 10-K for each of the two years in the period ended March 31, 2010. We hereby consent to the incorporation by reference of said report in the Registration Statements of Cyanotech Corporation and subsidiary on Form S-3 (File Nos. 333-42486, 333-97755, and 333-101401) and on Forms S-8 (File Nos. 33-63789, 333-42484, 333-141911, 333-141912 and 333-154165).

/s/ Grant Thornton LLP

Honolulu, Hawaii
June 24, 2010




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Consent of Independent Registered Public Accounting Firm