Teferra Tadesse Fikre
School of Nutrition, Food Science and Technology, Hawassa University, P. O. Box 05 C/O, Hawassa, Ethiopia.
Heliyon. 2021 Jul 5;7(7):e07459. doi: 10.1016/j.heliyon.2021.e07459. eCollection 2021 Jul.
Pulses are the dried seeds of the family that serve as cheaper proteins, particularly in developing countries. They contain proteins ranging 20-25%. Pulses play important roles in the farming systems and in the diets of poor people. They are ideal crops for simultaneously achieving three key developmental goals: reducing poverty, improving human health, and enhancing ecosystem sustainability. The year 2016 was declared as the year of pulses by the United Nations. These growing global attentions given to legumes has resulted in increasing their nutritional and economic desirability.
This review presents the potential of pulses processing in Ethiopia for enhanced nutritional and economic outcomes. Pulses are important foods and export commodity in Ethiopia, which are exported in unprocessed form, fetching low returns.
There are advanced but simple pulses processing technologies that include concentrating or isolation of proteins for nutritional and other uses. Pin milling of legumes and air classification of the flour helps to obtain protein concentrate of 60-75% purity. Protein isolation by alkaline extraction and isoelectric precipitation results in proteins of 90-95% purity. Legume proteins are mainly globulins and albumins that are nutritionally of great quality. The protein products are being texturized by thermal and mechanical means to make meat analogues, substitutes and extenders.
Ethiopia being one of the significant legume producers, can benefit from this growing market by adopting the processing technologies and exporting premium quality plant proteins. This help Ethiopia satisfy domestic protein needs for child nutrition. This review summarizes the potentials for developing pulses processing technologies in Ethiopia for better economic and nutritional benefits.
豆类是豆科植物的干燥种子,是较为廉价的蛋白质来源,在发展中国家尤为如此。它们的蛋白质含量在20%至25%之间。豆类在农业系统和贫困人口的饮食中发挥着重要作用。它们是同时实现三个关键发展目标的理想作物:减少贫困、改善人类健康和增强生态系统可持续性。2016年被联合国宣布为豆类年。全球对豆类的关注度不断提高,使其在营养和经济方面的吸引力也日益增加。
本综述介绍了埃塞俄比亚豆类加工在提高营养和经济成果方面的潜力。豆类是埃塞俄比亚重要的食物和出口商品,但目前以未加工形式出口,收益较低。
有一些先进但简单的豆类加工技术,包括为营养和其他用途浓缩或分离蛋白质。对豆类进行锤式粉碎和对面粉进行空气分级有助于获得纯度为60%至75%的蛋白质浓缩物。通过碱提取和等电沉淀分离蛋白质可得到纯度为90%至95%的蛋白质。豆类蛋白质主要是球蛋白和白蛋白,营养品质很高。蛋白质产品正在通过热加工和机械加工使其形成组织化,以制作肉类替代品、代用品和增量剂。
埃塞俄比亚是重要的豆类生产国之一,通过采用加工技术并出口优质植物蛋白,可从这个不断增长的市场中受益。这有助于埃塞俄比亚满足国内儿童营养方面的蛋白质需求。本综述总结了埃塞俄比亚发展豆类加工技术以获得更好经济和营养效益的潜力。