Effects of Phosphoryl Oligosaccharides of Calcium (POs-Ca) on Mycelial Growth and Fruiting Body Development of the Edible Mushroom, Pleurotus ostreatus.

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2020-05-21 eCollection Date: 2020-01-01 DOI:10.5458/jag.jag.JAG-2020_0001

Daisuke Suzuki, Yuko Sato, Hiroshi Kamasaka, Takashi Kuriki

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Abstract

Phosphoryl oligosaccharides of calcium (POs-Ca) is a calcium salt of phosphoryl maltooligosaccharides made from potato starch. POs-Ca is highly water-soluble and can supply both the calcium ion and acidic oligosaccharides in an aqueous solution. In this study, we investigated the effects of POs-Ca on the mycelial growth and fruiting body yield of Pleurotus ostreatus , which is one of the most widely cultivated edible mushrooms in the world. We cultivated the mushroom using both potato dextrose agar (PDA) medium and sawdust-based medium, with added calcium salts. The addition of POs-Ca into the PDA medium with a calcium concentration of 10 mg increased mycelial growth significantly ( p < 0.05, vs . control). POs-Ca addition to the sawdust-based medium at concentrations of 1.0 to 3.0 g/100 g medium increased the amount of calcium in the fruiting bodies but did not affect the length of the cultivation period or the weight of the fruiting body. The calcium content in the fruiting body increased 12-fold when compared to the control. On the other hand, neither the CaHPO ₄ ･2H ₂ O group nor the CaHPO ₄ ･2H ₂ O with oligosaccharides group showed changes in the calcium content of the fruiting bodies. Our results indicate that the use of POs-Ca in mushroom cultivation allows for the possibility of developing new functional foods like calcium-enriched edible mushrooms. This is the first report describing the effects of POs-Ca on mushroom cultivation.

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钙磷酰低聚糖（POs-Ca）对食用菌平菇菌丝生长和子实体发育的影响

磷酸寡糖钙（POs-Ca）是由马铃薯淀粉制成的磷酸麦芽寡糖的钙盐。POs-Ca 具有很高的水溶性，可以在水溶液中同时提供钙离子和酸性寡糖。在本研究中，我们研究了 POs-Ca 对马铃薯蘑菇菌丝生长和子实体产量的影响，马铃薯蘑菇是世界上栽培最广泛的食用菌之一。我们使用添加了钙盐的马铃薯葡萄糖琼脂（PDA）培养基和基于锯屑的培养基栽培这种蘑菇。在钙浓度为 10 毫克的 PDA 培养基中添加 POs-Ca 后，菌丝生长显著增加（与对照相比，p < 0.05）。在以锯屑为基础的培养基中添加浓度为 1.0 至 3.0 克/100 克的 POs-Ca 会增加子实体中的钙含量，但不会影响培养期的长短或子实体的重量。与对照组相比，子实体中的钙含量增加了 12 倍。另一方面，CaHPO 4 ・2H 2 O 组和含寡糖的 CaHPO 4 ・2H 2 O 组的子实体钙含量都没有发生变化。我们的研究结果表明，在蘑菇栽培中使用 POs-Ca 有可能开发出新的功能性食品，如富含钙的食用菌。这是第一份描述 POs-Ca 对蘑菇栽培影响的报告。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.