title: Optimization of the Yield of Lingzhi or Reishi Medicinal Mushroom, Ganoderma lucidum (Higher Basidiomycetes), Cultivated on a Sunflower Seed Hull Substrate Produced in Argentina: Effect of Olive Oil and Copper.
abstract: Sunflower seed hulls were used as the main component of a solid substrate for the cultivation of the lingzhi or reishi medicinal mushroom Ganoderma lucidum. This study evaluated the effects of supplementing the substrate with olive oil and copper (II) on the mushroom production (MP) parameters and fruiting body total triterpenoid content. The addition of 1.5% olive oil increased total MP by 21.7% (dry basis) in 3 flushes. Copper (60 ppm) increased the daily productivity of the first flush (MP per day) by both reducing the time needed to harvest the crop and increasing the MP. However, the MP at the second and third flushes was reduced. When both supplements were combined, the MP at the first flush was 43% higher than with control treatment. No significant change in mushroom total triterpenoid content was observed by the addition of supplements to the substrate. An increase of 145-155% in the mushroom copper content was obtained by the addition of 60 ppm copper to the substrate. It is thus recommended to use substrate formulations containing both olive oil and copper (II) and harvest just the first flush.
authors: Laboratorio de Biotecnologia de Hongos Comestibles y Medicinales, Centro de Recursos Naturales Renovables de la Zona Semiarida (CERZOS), CONICET, Bahia Blanca, Buenos Aires, Argentina; Departamento de Biologia, Bioquimica y Farmacia, Universidad Nacional del Sur, Bahia Blanca, Buenos Aires, Argentina.
authors: Maximiliano A
authors: MA
authors: Bidegain
authors: Laboratorio de Biotecnologia de Hongos Comestibles y Medicinales, Centro de Recursos Naturales Renovables de la Zona Semiarida (CERZOS), CONICET, Bahia Blanca, Buenos Aires, Argentina; Departamento de Biologia, Bioquimica y Farmacia, Universidad Nacional del Sur, Bahia Blanca, Buenos Aires, Argentina.
authors: Maria Amelia
authors: MA
authors: Cubitto
authors: Laboratorio de Biotecnologia de Hongos Comestibles y Medicinales, Centro de Recursos Naturales Renovables de la Zona Semiarida (CERZOS), CONICET, Bahia Blanca, Buenos Aires, Argentina.
authors: Nestor Raul
authors: NR
authors: Curvetto
mesh_terms: D001118:Argentina; D003300:Copper / Q000032:analysis / Q000378:metabolism; D003470:Culture Media / Q000737:chemistry* / Q000378:metabolism; D046508:Culture Techniques / Q000295:instrumentation; D006368:Helianthus / Q000737:chemistry / Q000378:metabolism; D000069463:Olive Oil / Q000032:analysis / Q000378:metabolism; D020940:Reishi / Q000254:growth & development* / Q000378:metabolism; D012639:Seeds / Q000737:chemistry / Q000378:metabolism
chemical_list: D003470:Culture Media; D000069463:Olive Oil; D003300:Copper