Method for drying walnuts with hot air based on parabolic temperature rise method

A technology of hot air drying and heating method, applied in heating to dry solid materials, drying, food science, etc., can solve the problems of staleness, long drying time, easy discoloration of walnuts, etc., and achieve uniform moisture removal, uniform heating, and air-drying process. simple effect
CN103110147AInactive Publication Date: 2013-05-22SHAANXI ZHIDAO AGRI SCI & TECH DEV CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SHAANXI ZHIDAO AGRI SCI & TECH DEV CO LTD
Publication Date
2013-05-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a method for drying walnuts with hot air based on a parabolic temperature rise method, wherein the relative humidity of the environment is controlled and the drying temperature is controlled by the parabolic temperature rise method, so that even heating of walnut roasting and even moisture removal are realized; as a result, the walnut drying time is effectively shortened and the interior quality and flavor of the dry walnuts are guaranteed; and the air-drying process is simple.
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Description

technical field

[0001] The invention belongs to the technical field of walnut processing methods, in particular to a method for hot-air drying walnuts. Background technique

[0002] Walnut, (Juglans regia L.) has another name called walnut, is Juglandaceae (Juglandaceae) Juglans L., deciduous tree. Walnuts are originally produced in southeastern Europe and western and southern Asia, but they were introduced into my country as early as the Han Dynasty and were planted in large quantities. Together with almonds, cashews, and hazelnuts, they are known as the world-famous "four major dried fruits" and are ancient cultivated plants. one.

[0003] The fat content in the walnut kernel is as high as about 65%, and the unsaturated fatty acid in the fatty acid composition is more than 90%. The intake of unsaturated fatty acids has a positive effect on reducing human serum cholesterol levels and preventing atherosclerosis and thrombosis. Walnut oil is a special oil for high-grade hea...

Claims

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