Potential of bagasse obtained using hydrothermal liquefaction pre‐treatment as a natural emulsifier
Potential of bagasse obtained using hydrothermal liquefaction pre‐treatment as a natural emulsifier
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DOI：
10.1111/ijfs.14543
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发表时间：
2020-04
影响因子：
3.3
通讯作者：
Sekove Vodo;Noamane Taarji;M. Bouhoute;L. Felipe;M. Neves;I. Kobayashi;K. Uemura;M. Nakajima
中科院分区：
文献类型：
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作者：
Sekove Vodo;Noamane Taarji;M. Bouhoute;L. Felipe;M. Neves;I. Kobayashi;K. Uemura;M. Nakajima
甘蔗渣是原糖工厂的副产品，通常被燃烧用于能源生产。在这项研究中，将来自水热液化（HTL）处理（160 °C，IMPa和30 min）的具有510.3 mg g <$1的碳水化合物含量和0.5 mg g <$1的总酚的甘蔗渣提取物用作水包油（O/W）乳液中的乳化剂。来自HTL的甘蔗渣提取物（0.5-4重量%）将油-水界面之间的界面张力从19.8 mN m ³降低到14.0 mN m ³，这可能是由于提取物中的表面活性亲水碳水化合物-疏水木质素复合物（木质素含量：7.1%w/w）。在25 °C下11天后，由来自HTL的甘蔗渣提取物稳定的乳液的平均液滴尺寸（d粒径为0.79 μm）与阿拉伯树胶（GA）（d粒径为2.24 μm）相当。含有生物聚合物的甘蔗渣提取物具有涉及乳液体系的工业应用的潜力;因此，在没有任何溶剂的情况下对甘蔗渣进行HTL处理可以被视为生产天然乳化剂的有效工具。
Bagasse, a by‐product from raw sugar factories, is conventionally burned for energy production. In this study, bagasse extracts from hydrothermal liquefaction (HTL) treatment (160 °C, 1 MPa and 30 min) with a carbohydrate content of 510.3 mg g⁻¹ and 0.5 mg g⁻¹ of total phenols were applied as emulsifiers in oil‐in‐water (O/W) emulsions. Bagasse extracts from HTL (0.5–4 wt%) lowered the interfacial tension between oil–water interphase from 19.8 to 14.0 mN m⁻¹, owing possibly to the surface‐active hydrophilic carbohydrate‐hydrophobic lignin complexes in the extracts (lignin content: 7.1% w/w). Emulsions stabilised by bagasse extracts from HTL with average droplet size, dₐᵥ of 0.79 μm were comparable with gum arabic (GA), dₐᵥ of 2.24 μm after 11 days at 25 °C. Bagasse extracts containing biopolymers have the potential for industrial applications involving emulsion systems; therefore, HTL treatment of bagasse without any solvents can be regarded as an effective tool for producing natural emulsifiers.