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The purpose of this paper is to analyze how people judge the food items they throw away at home and why they judge in such way, by the research on household food wastage. In the analysis, most of the food items were wasted because their quality had changed as time had passed. Some of them were regarded as such by the information from human senses, and the rest, by the information regarding dates, for example, the expiry date. Most of the food items being judged by human senses as a result because people find by chance the food items smell or look bad. Some of the food items were carefully observed because people do so routinely to judge whether the food items were fit to eat. On the other hand, some food items were judged by the information regarding dates because people had no motive to observe carefully, as the food items were too old or as they didnʼt hesitate to waste them. Other reasons are that the expiry date conveyed a wrong image, that people were careful regarding some particular food items owing to one experience, or that they judge routinely by the information regarding dates without any particular reasons. The background of regularly judging food items by the information from their senses or the dates lies in whether people know how food items change as time passes, whether they had known how to judge when they started to manage food items at home, or whether they have motives or opportunities to judge by human sense. In addition, another fact about regularly judging by the information regarding dates is that people know the meaning of the best-before and use-by date, but they donʼt distinguish safety from deliciousness. Keyword: household food wastage, human sense, best-before date, use-by date 家庭で食品を廃棄する際の消費者認識に関する分析 −3− ロスはフードシステムのあらゆる段階で発生する が、食品関連事業者と異なり、家庭についてはそ れぞれの消費者の意識や行動にも食品ロスの発生 する大きな原因があり、個人の心がけにより改善 される余地が大いにあると考えられる。 家庭の食品ロスについては、食べるか否かの判 断を自分の五感ではなく期限表示に依存する消費 者が増えており、まだ食べられるのに「表示期限 が過ぎた」ために廃棄される食品も多い、という 指摘がなされている(高月[2]や小川[3])。 実際にはまだ食べられるのに食べられないと判断 している現状が窺える。このことから、消費者が 廃棄する食品をどのように認識し判断しているの か、その現状と背景を探ることが食品ロスの削減 を考えるうえで重要であると考えられる。しかし その点を詳細に分析している研究はほとんどない。 以上より本稿では、家庭の食品ロスに焦点を当 て、廃棄する食品に対する消費者の認識や判断、 およびその背景を明らかにすることを課題とする。

The Analysis of Japanese Consumer's Perception When They Throw Away Food Items at Home