Effect of salicylic acid and silver nitrate on rutin production by Hyptis marrubioides cultured in vitro oleh Rita Cássia Nascimento Pedroso, Núbia Angélica de Ávila Branquinho, Alessandra Cristina Boffino de Almeida Monteiro Hara, Fabiano Guimarães Silva, Luis Claudio Kellner Filho, Marcio Luís Andrade Silva, Wilson Roberto Cunha, Patricia Mendonça Pauletti, Ana Helena Januário