Dried kelp having reduced iodine content, and method for producing dried kelp

A manufacturing method and technology of iodine content, which are applied in the fields of food drying, food science, and application, can solve the problems of complicated processing, high manufacturing cost, poor industrial practicability, etc., and achieve the effect of eliminating the drying process.

Pending Publication Date: 2021-01-08
PUBLIC INTEREST INC FOUND HAKODATE REGIONAL IND PROMOTION ORG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] However, the methods disclosed in these documents all deliberately wet the dried kelp and then dry it again. Therefore, not only the handling is complicated, but also the manufacturing cost becomes high, so the industrial applicability is poor.

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  • Dried kelp having reduced iodine content, and method for producing dried kelp
  • Dried kelp having reduced iodine content, and method for producing dried kelp
  • Dried kelp having reduced iodine content, and method for producing dried kelp

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Embodiment Construction

[0059] In this disclosure, "per unit dry weight" refers to the iodine content in a dry product that contains no moisture removed by drying treatment, and "per unit absolute dry weight" refers to the iodine content obtained by heating and drying at 105°C under normal pressure. The moisture content in the leaf is used to convert the moisture content to the value of the iodine content at 0%.

[0060] Hereinafter, the present invention will be described with examples.

[0061] According to previous research by the present inventors, it is known that the iodine content contained in the leaves of kelp (kelp) harvested in spring is less than that contained in the leaves of kelp harvested in summer, but the details over time are not known. situation (Non-Patent Document 6). Therefore, for the first time, the iodine content contained in fast-growing Japanese kelp (maconbu) harvested in the Hakodate area from February to July in 2017 (Heisei 29) was studied.

[0062] The iodine conten...

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Abstract

Dried kelp characterized in that the iodine content is 2,000 mg/kg or less per dry weight, and one or more air gaps having a diameter of 150 [mu]m or greater are present in a cross-section of the kelpafter the kelp is soaked in water. A method for producing dried kelp, the method including a step for freezing raw kelp, a step for bringing the frozen kelp into contact with a specific medium, and adrying step. The present invention addresses the problem of providing dried kelp having a reduced iodine content, and a method for producing the dried kelp.

Description

technical field [0001] The present invention relates to dried kelp with reduced iodine content and a manufacturing method thereof. Background technique [0002] Kelp is one of the earliest ingredients used by industry in Japan, and it is the core material for forming Japanese food culture. After harvesting, when refrigerated and frozen storage is not possible, it is dried and used for storage and distribution in order to impart high storage stability. This production and circulation structure has been used until now, and even today, most of its circulation is based on dry products. [0003] On the other hand, in recent years, refrigeration infrastructure has been equipped and enriched, and many food raw materials are circulated and stored in a refrigerated and frozen state. At this time, as the influence of freezing on food raw materials, it is mainly known that the volume expansion of contained water damages cells and causes partial tissue destruction. Therefore, in fish...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L17/60
CPCA23L17/60A23V2002/00A23V2300/10A23V2250/1598
Inventor 木下康宣纳谷太郎
Owner PUBLIC INTEREST INC FOUND HAKODATE REGIONAL IND PROMOTION ORG
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