How should seaweed, which is called ‘Nori’ in Japanese, be graded so that it can be sold for a higher price at auction? For example, “Ajisui”, a new graded brand introduced in Saga Prefecture, had a low grading until now because the Nori had holes in it. The basic evaluation criteria for grading Nori are “quality”, “how well it is cut”, “color”, “fragrance”, and “weight”. However, “Ajisui”, which uses “taste” as an evaluation criterion, is now being sold at a high price at auctions despite having many small holes. This paper describes how “taste” has begun to be evaluated as a factor and how this can influence bid prices for Nori.
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