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Modulation of Pore Structure and Mechanical Properties of Methylcellulose Foam Template Aerogel by Linseed Gum
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Haili QIN1, Qiaoli ZHAO1, *, Cheong Kit-Leong1, Rui LI1, Zhuo WANG1, Xiaofei LIU1, Bingbing SONG1, Xuejing JIA1, Saiyi ZHONG1, 2, *
Science and Technology of Food Industry | 2026, 47(16) : 155 - 165
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Science and Technology of Food Industry | 2026, 47(16): 155-165
• Research and Investigation •
Modulation of Pore Structure and Mechanical Properties of Methylcellulose Foam Template Aerogel by Linseed Gum
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Haili QIN1, Qiaoli ZHAO1, *, Cheong Kit-Leong1, Rui LI1, Zhuo WANG1, Xiaofei LIU1, Bingbing SONG1, Xuejing JIA1, Saiyi ZHONG1, 2, *
Affiliations
  • 1College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Marine Food, Guangdong Provincial Science and Technology Innovation Center for Subtropical Fruit and Vegetable Processing, Zhanjiang 524088, China
  • 2Shenzhen Institute, Guangdong Ocean University, Shenzhen 518108, China
Published: 2026-08-15 doi: 10.13386/j.issn1002-0306.2025080149
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In this study, different concentrations of Linseed gum (LG) and Methylcellulose (MC) were mixed, and the effects of LG concentration on the properties of composite polysaccharide water foam were systematically analyzed. The microstructure, pore structure, thermal stability and mechanical properties of composite polysaccharide aerogel (MC-LG) were characterized by Fourier transform infrared spectroscopy, scanning electron microscopy and thermogravimetric analysis. The results showed that the viscosity of complex polysaccharide solution increased significantly with the increase of LG concentration (0.1wt%~0.5wt%), while the foam expansion rate first decreased and then increased, and reached the maximum value (7.59%) at 0.4wt%. Compared with pure MC water foam (76.40 μm), the bubble distribution of MC-0.4wt% LG water foam was more uniform, and the average size was reduced to 59.11 μm, and it still maintained good stability after 48 h storage. Scanning electron microscope and infrared spectrum analysis showed that hydrogen bond interaction was formed between MC and LG molecules, and MC-LG aerogel containing 0.4wt% LG presented a relatively uniform honeycomb porous structure. The results of mechanical properties showed that the Young's modulus of MC-0.4wt% LG aerogel reached 0.0982 MPa, which was significantly higher than that of single MC aerogel (0.0288 MPa), and the yield strength and compressive strength were also significantly improved. To sum up, when the concentration of LG was 0.4wt%, MC-LG aerogel had uniform and compact pore structure, good thermal stability and excellent mechanical properties, and the overall performance was ideal. This study can provide technical reference for the application of high-performance polysaccharide-based aerogels in food and biomedicine.

aerogel  /  methyl cellulose  /  linseed gum  /  foam template method  /  pore structure  /  mechanical properties
覃海丽, 赵巧丽, 张杰良, 李瑞, 汪卓, 刘晓菲, 宋兵兵, 贾学静, 钟赛意. 亚麻籽胶对甲基纤维素泡沫模板气凝胶孔隙结构和机械性能的调控作用. 食品工业科技, 2026 , 47 (16) : 155 -165 . DOI: 10.13386/j.issn1002-0306.2025080149
Haili QIN, Qiaoli ZHAO, Cheong Kit-Leong, Rui LI, Zhuo WANG, Xiaofei LIU, Bingbing SONG, Xuejing JIA, Saiyi ZHONG. Modulation of Pore Structure and Mechanical Properties of Methylcellulose Foam Template Aerogel by Linseed Gum[J]. Science and Technology of Food Industry, 2026 , 47 (16) : 155 -165 . DOI: 10.13386/j.issn1002-0306.2025080149
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Year 2026 volume 47 Issue 16
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doi: 10.13386/j.issn1002-0306.2025080149
  • Receive Date：2025-08-13
  • Online Date：2026-10-24
  • Published：2026-08-15
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  • Received：2025-08-13
Affiliations
    1College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Guangdong Provincial Engineering Technology Research Center of Marine Food, Guangdong Provincial Science and Technology Innovation Center for Subtropical Fruit and Vegetable Processing, Zhanjiang 524088, China
    2Shenzhen Institute, Guangdong Ocean University, Shenzhen 518108, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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