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Título: Antioxidants in Pinus Pinaster roots and mycorrhizal fungi during the early steps of symbiosis
Autor: Carocho, Márcio
Barros, Lillian
Ferreira, Isabel C.F.R.
Barreira, João C.M.
Martins, Anabela
Palavras-chave: Ectomycorrhizal fungi
Pinus pinaster
Co-culture period
Issue Date: 2012
Editora: Elsevier
Citação: Carocho, Márcio; Barros, Lillian; Ferreira, Isabel C.F.R.; Barreira, João C.M.; Martins, Anabela (2012) - Antioxidants in Pinus Pinaster roots and mycorrhizal fungi during the early steps of symbiosis. Industrial Crops and Products. ISSN 0926-6690. 38, p. 99-106
Resumo: Ectomycorrhizal symbiosis between fungi mycelia and the roots of some plants could have important effects in the levels of antioxidants of both partners. In the present work, the effects of co-culture period in the antioxidant properties and antioxidants (phenolics, tocopherols and sugars) production during early steps of in vitro mycorrhization (Pinus pinaster-Pisolithus arhizus and Pinus pinaster-Paxillus involutus) were evaluated. The studied parameters were determined in each culture element (root, mycelium and medium) in order to understand the response of each partner to the symbiotic association. P. arhizus proved to be more compatible with P. pinaster than P. involutus, since the antioxidant activity in the latter species increased from 48 to 72 h, while P. arhizus antioxidant properties decreased at the same period (indicative of less oxidative stress). Despite P. involutus proved to be less suitable to be included in forestation programs using mycorrhization processes, it revealed a higher potential for bioactive compounds production in the early steps of symbiosis. A maximal value of phenolics content was obtained after the first 6 h.
Arbitragem científica: yes
ISSN: 0926-6690
Appears in Collections:BB - Artigos em Revistas Indexados ao ISI/Scopus

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