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在甘蔗蜜饯中培养的可食用和药用担子菌菌丝体生物量中的铁生物强化和有效性。

Iron biofortification and availability in the mycelial biomass of edible and medicinal basidiomycetes cultivated in sugarcane molasses.

机构信息

Graduate Program of Biotechnology Applied to Agriculture, Universidade Paranaense, Mascarenhas de Moraes, 4282, Umuarama, PR, 87502-210, Brazil.

Medicinal Plants and Herbal Remedies in Basic Care, Universidade Paranaense, Umuarama, PR, Brazil.

出版信息

Sci Rep. 2020 Jul 30;10(1):12875. doi: 10.1038/s41598-020-69699-0.

Abstract

Basidiomycetes can bioaccumulate high iron contents, but there are few studies on iron availability from the mycelial biomass in order to support their use as an iron-enriched fungal food. This study aimed to evaluate the in vitro iron bioaccumulation and availability in the mycelial biomass of edible and medicinal basidiomycetes grown in two distinct culture media. Lentinus crinitus, Ganoderma lucidum, Schizophyllum commune, Pleurotus ostreatus, Pleurotus eryngii, Lentinula edodes, and Agaricus subrufescens were grown in liquid culture medium of malt extract or sugarcane molasses to obtain iron-bioaccumulated mycelial biomass. P. ostreatus was the fungus that most bioaccumulated iron, followed by S. commune, and P. eryngii; they also had the highest mycelial biomass growth and iron transfer from the culture medium to the mycelial biomass. Mycelial iron availability is species-specific, regardless of the culture medium and the iron bioaccumulation capacity of the fungus in the mycelial biomass. Mycelial biomass of S. commune, followed by G. lucidum, P. ostreatus, and P. eryngii, associated with molasses culture medium, are the best choice for the production of iron-enriched mycelial biomass.

摘要

担子菌可以生物累积高含量的铁,但很少有研究关注菌丝体生物量中可利用的铁,以支持将其用作富铁真菌食物。本研究旨在评估在两种不同培养基中生长的可食用和药用担子菌的菌丝体生物累积和可利用的铁。香菇、灵芝、裂褶菌、糙皮侧耳、杏鲍菇、香菇和红绒盖牛肝菌在麦芽提取物或甘蔗糖蜜的液体培养基中生长,以获得铁生物累积的菌丝体生物量。糙皮侧耳是积累铁最多的真菌,其次是裂褶菌和杏鲍菇;它们的菌丝体生物量生长和铁从培养基向菌丝体生物量的转移也最高。无论培养基和真菌在菌丝体生物量中的铁生物累积能力如何,菌丝体铁的可利用性都是特定于物种的。裂褶菌和灵芝的菌丝体生物量,其次是糙皮侧耳和杏鲍菇,与甘蔗糖蜜培养基相关,是生产富铁菌丝体生物量的最佳选择。

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