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Comparison of emulsifying capacity of two hemicelluloses from moso bamboo in soy oil-in-water emulsions

机译:摩尔竹子在大豆水包油乳液中两种半纤维素乳化能力的比较

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Oil-in-water food emulsions consisting of natural emulsifiers has been an active field of green scientific inquiry. Here, we extract two types of new hemicellulose-based emulsifiers (H _(H) and H _(L) ) from holocellulose and dewaxed materials of bamboo ( Phyllostachys pubescens ), as well as compare their emulsifying soy oil ability, respectively. The main content of H _(H) is arabinoxylan, while the primary composition in H _(L) is glucan. The emulsifying capacity of these two types of hemicellulose-based emulsifiers are evaluated by droplet size distribution, surface charge and optical microscopy. Since H _(L) possesses higher lignin and protein residual contents, the resultant emulsion exhibits smaller droplets and higher emulsion stability. In comparison, H _(H) emulsifier has almost no emulsifying capacity due to the lack of non-polar groups. This study provides insight into the choice of hemicelluloses-based emulsifiers for the formation of stable oil-in-water food emulsions.
机译:由天然乳化剂组成的水性食物乳液是绿色科学探究的活跃领域。在此,我们从全纤维素和竹子(Phyllostachys Pubescens)的全纤维素和脱蜡材料中提取两种类型的新型半纤维素的乳化剂(H _(H)和H _(L)),以及比较它们的乳化大豆油能力。 H _(h)的主要含量是阿拉伯羰基,而H _(L)中的主要组合物是葡聚糖。通过液滴尺寸分布,表面电荷和光学显微镜评估这两种类型的半纤维素的乳化剂的乳化能力。由于H _(L)具有更高的木质素和蛋白质残余含量,因此所得乳液表现出较小的液滴和更高的乳液稳定性。相比之下,由于缺乏非极性组,H _(H)乳化剂几乎没有乳化容量。本研究提供了对选择稳定的油包内食品乳液形成的半纤维素的乳化剂的洞察。

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