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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Galactoglucomannan Extracted from Spruce (Picea abies) as a Carbohydrate Source for Probiotic Bacteria
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Galactoglucomannan Extracted from Spruce (Picea abies) as a Carbohydrate Source for Probiotic Bacteria

机译：从云杉提取的半乳葡甘露聚糖（益生菌）作为益生菌的碳水化合物来源

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摘要

A prebiotic is a nonviable food component that confers a health benefit on the host associated with modulation of the microbiota. Hemicelluloses are the second most common group of polysaccharides in nature and they occur in plant cell walls. The predominant hemicellulose in softwood species is galactoglucomannan, and based on its chemical structure and information available about similar saccharides, galactoglucomannan may be postulated to have prebiotic properties. In this study we demonstrated that Bifidobacterium species are able to ferment hemicellulose-derived saccharides. Significant stimulatory effects on the growth rates of bifidobacteria were found when galactoglucomannan or its hydrolysis products were present. Bifidobacterium animate subsp. lactiss strain Bb12, a commonly used probiotic, was able to adapt to the galactoglucomannan leading to more efficient utilization of hemicellulose-derived saccharides. Our study demonstrates prebiotic properties for galactoglucomannan and warrants the next step, that is, characterization of the effects of galactoglucomannan in food.
机译：益生元是一种不可行的食物成分，可赋予宿主与微生物群调节相关的健康益处。半纤维素是自然界第二大最常见的多糖类，它们存在于植物细胞壁中。软木物种中主要的半纤维素是半乳葡甘露聚糖，并且基于其化学结构和有关类似糖类的可用信息，可以推测半乳葡甘露聚糖具有益生元特性。在这项研究中，我们证明了双歧杆菌能够发酵半纤维素衍生的糖。当存在半乳葡甘露聚糖或其水解产物时，发现对双歧杆菌的生长速率具有显着的刺激作用。双歧杆菌有生命的亚种。乳酸菌菌株Bb12，一种常用的益生菌，能够适应半乳葡甘露聚糖，从而导致更有效地利用半纤维素衍生的糖。我们的研究证明了半乳葡甘露聚糖的益生元特性，并保证了下一步，即表征半乳葡甘露聚糖在食品中的作用。

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