Method for taking whole kernels of Jiamian walnuts

Abstract

The invention discloses a method for taking whole kernels of Jiamian walnuts. The method comprises the following steps: (1) harvesting and storing the Jiamian walnuts: after harvesting the Jiamian walnuts, performing drying or natural airing until the water content of the Jiamian walnuts reaches 8-10%; (2) soaking with running water: irrigating the Jiamian walnuts obtained in the step (1) with water, and stopping irrigating when the water content of the Jiamian walnuts reaches 30-40%; (3) performing draining: draining the Jiamian walnuts obtained in the step (2) in a shade place, and enabling the Jiamian walnuts to stand for 12-18 hours after draining, so that the water content of the Jiamian walnuts is reduced to 20-25%; (4) performing shell breaking: beating the Jiamian walnuts obtained in the step (3) with a stick, and rotating the Jiamian walnuts while beating so that the periphery of the Jiamian walnuts is broken; (5) performing kernel taking: separating broken walnut shells from walnut kernels, and taking out the whole walnut kernels; and (6) performing airing and drying. According to the invention, the whole kernels of the Jiamian walnuts can be taken.

Description

technical field [0001] The invention relates to the technical field of walnut shell breaking processing, in particular to a method for extracting whole kernels from walnuts. Background technique [0002] Walnut, also known as walnut, is one of the four largest dried fruits in the world. Due to the high nutritional and health value of walnuts, the domestic and foreign markets are becoming more and more popular, and the demand and planting area of ​​walnuts continue to increase. Yunnan walnuts, also known as deep-grained walnuts, are different from ordinary walnuts that are widely cultivated in northern production areas such as Shanxi, Hebei, and Xinjiang. Yunnan walnuts are different from ordinary walnuts in terms of cultivation methods, tree shape characteristics, fruit characteristics, and nutritive characteristics, especially the nut appearance, which is obviously different from ordinary walnuts. In traditional cultivation, Yunnan walnuts are divided into three types acc...

AI Technical Summary

Problems solved by technology

However, because of the thick shell (1.2-1.6mm) of the cotton walnut, the kernels are manually harvested, and the whole kernel rate is less than 20%.

Cotton walnuts are sold as dried fruits, because of their thick shells and low value, and sellers will not buy them. It is a pity to discard them. It is a waste for farmers in mountainous areas, and selling kernels is the only way out

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