期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 61, 期 42, 页码 10043-10053出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf402559p
关键词
lemon peel wastes; prebiotics; oligogalacturonides; arabinooligosaccharides; hydrothermal treatment; membrane filtration
资金
- Xunta de Galicia
- FEDER Unha maneira de facer Europa
- Spanish Ministry of Education, Culture and Sports
- FCT (Fundacao para a Ciencia e Tecnologia) [SFRH/BPD/79941/2011]
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/79941/2011] Funding Source: FCT
Lemon peel wastes were extracted with water to remove free sugars and other soluble compounds, and the insoluble solid was employed as a substrate for the manufacture of pectin-derived oligosaccharides by processing with hot, compressed water. When water-extracted lemon peel wastes were treated with water at 160 degrees C, the oligomer concentration reached the maximum value (31 g/L). Autohydrolysis liquors were subjected to two membrane filtration stages (diafiltration followed by concentration), yielding a refined product containing about 98 wt % of oligomers at a global yield of 14 kg/100 kg oven-dry lemon peel. The concentrate contained oligogalacturonides (with DP in the range of 2-18) and arabinooligosaccharides (with DP in the range of 2-8).
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