一种回收南瓜籽油和脱油粕的先进水法:优化及与其他方法的比较

IF 1 4区农林科学 Q4 CHEMISTRY, APPLIED

Grasas y Aceites Pub Date : 2022-06-14 DOI:10.3989/gya.0106211

J. Fu, W. Wu

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引用次数: 2

摘要

先进水法回收南瓜籽油和去油粕的最佳工艺条件为:将南瓜籽在110℃下烘烤1 min，研磨后通过孔径为150 μm的筛孔，10.00 g磨碎的南瓜籽中加入1.60 ml盐水，在30℃下搅拌30 min，在4000 r/min的转速下离心30 min，对离心后的残渣进行冷压处理。该方法的采收率为140.94%。其油回收率与溶剂萃取法相当，高于酶助水法或热压法。与溶剂萃取或热压法相比，回收的食用油中辅酶Q10、生育酚、类胡萝卜素、植物甾醇和角鲨烯的质量和含量更高，符合中国国家标准的要求。该方法优于酶助水法或热压法回收脱油粕，适用于制作结构化蛋白。

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An advanced aqueous method of recovering pumpkin seed kernel oils and de-oiled meal: Optimization and comparison with other methods

The optimal process conditions of the advanced aqueous method for recovering oil and de-oiled meal from pumpkin seed kernels were: baking the kernels at 110 °C for 1 min, grinding them to pass through a sieve of 150 μm pore size, adding 1.60 ml brine to 10.00 g ground kernels, stirring for 30 min at 30 °C, centrifuging at 4000 r/min for 30 min and cold-pressing the residue from centrifugation. This method recovered > 94% oil. Its oil recovery rate was comparable to that of solvent extraction and higher than that of enzyme-assisted aqueous method or hot-pressing. It recovered edible oil with higher quality and level of coenzyme Q10, tocopherols, carotenoids, total phytosterols and squalene as compared to solvent extraction or hot-pressing and requirements of China’s national standard. It is superior to enzyme-assisted aqueous method or hot-pressing for recovering de-oiled meal which is suitable for making texturized protein.

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来源期刊

Grasas y Aceites 工程技术-食品科技

CiteScore

2.50

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Grasas y Aceites is a peer-reviewed journal devoted to the publication of original articles concerning the broad field of lipids, especially edible fats and oils from different origins, including non acyl lipids from microbial origin relevant to the food industry. It publishes full research articles, research notes, reviews as well as information on references, patents, and books. Grasas y Aceites publishes original articles on basic or practical research, as well as review articles on lipid related topics in food science and technology, biology, (bio)chemistry, medical science, nutrition, (bio)technology, processing and engineering. Topics at the interface of basic research and applications are encouraged. Manuscripts related to by-products from the oil industry and the handling and treatment of the wastewaters are also welcomed. Topics of special interest to Grasas y Aceites are: -Lipid analysis, including sensory analysis -Oleochemistry, including lipase modified lipids -Biochemistry and molecular biology of lipids, including genetically modified oil crops and micro-organisms -Lipids in health and disease, including functional foods and clinical studies -Technical aspects of oil extraction and refining -Processing and storage of oleaginous fruit, especially olive pickling -Agricultural practices in oil crops, when affecting oil yield or quality