タイトル |
カキ「西条」の脱気個包装ドライアイス脱渋貯蔵技術 |
担当機関 |
鳥取県園芸試験場河原試験地 |
研究期間 |
1995~1999 |
研究担当者 |
須崎俊一
|
発行年度 |
1999 |
要約 |
カキ「西条」の貯蔵は、ポリエチレン袋で脱気個包装した果実をドライアイス処理し、冷蔵庫内で脱渋しながら貯蔵する方法で行う。これによって、貯蔵後の果実の黒変現象が解消し軟化が抑制されて30日間の貯蔵ができる。糖度低下はない。
|
背景・ねらい |
これまでカキ「西条」は、貯蔵中あるいは貯蔵後に果実の黒変現象や軟化が発生するた貯蔵ができなかったが、生産量の増加、出荷ピーク時の価格の低迷などの背景から技術の確立が強く望まれている。このため、出荷ピークの是正と12月中下旬まで販売期間を延長して有利販売を行う目的で、貯蔵後の黒変現象を解決する方法を開発し1か月の貯蔵を目標に技術の確立を行う。
|
成果の内容・特徴 |
- カキ「西条」の貯蔵は、果実をポリエチレン袋で脱気個包装して、それを脱渋フィルムに包んでドライアイス処理し、冷蔵庫内で脱渋・貯蔵する方法で行う(図1)。
- 脱渋は個包装のポリエチレンフィルムの炭酸ガス透過性を利用して行っている。
- 個包装フィルムは厚さ60μmの低密度張り合わせポリエチレン袋を用い、概ね-730mmHg程度の脱気度で個包装する(表1)。
- 脱渋処理には5Kg箱あたりドライアイス30gを用い、1℃で脱渋貯蔵する条件が最適である(図2)。
- 脱渋は処理後25日で完了する(図3)。
- 貯蔵期間中の糖度低下は認められない(表2)。
- 30日間の個包装脱渋貯蔵果の品質は、慣行の室温ドライアイス脱渋果の脱渋完了直後の健全果率と同程度であり、開封後の日持ちがよい。
- 個包装脱渋貯蔵果実は、ポリエチレンフィルムで個包装されており、貯蔵後に脱渋フィルムを開封しても直接空気と接しないため、果実の黒変現象が発生しない。
|
成果の活用面・留意点 |
- 未熟果を用いるとヘタ部に水浸状の障害が発生するので、西条のカラーチャート値でヘタ部の果色が5以上の適熟果を使用する。
|
図表1 |
![210819-1.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/210819-1.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjECoaDmFwLW5vcnRoZWFzdC0xIkYwRAIgF5E2Rw%2B%2FMZ%2Btp%2BltGJVR7biTYVkw7%2BAirSwo6U%2Bwv7cCIDLjNbAVIOm%2FD4L9OyjYZf5cwHmDxbV3C5ky%2FmPoVVcTKpkECMP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMNTMyMzMxMDcyMDQxIgxfHP8SNzCZl4ikl4cq7QO%2FA6upK3zUs8MoVkti2Bfu1lQj5mAA6M%2FeUVqrJUXAW459uNddExn8pfI9MLmhESvuhIDpRZI8APdS%2FwkZAcyDD2TE69A69EEPcvni8ndZUnxn9W2z%2Fn%2FZNTXyW%2FoCUrtidwc9IV36OxLuD5PTPcFgXqY3ga%2FTgfQSqYNqS4Q5fDskesUS%2F4uL9B%2BTg8JUKeoRS8LmaNlRXKDI%2FBPyE5zFROpC43t2YHN9HI2ba2VbR007Y%2FhU8JeWNFusqm6EgAEPxXLVWnGnQwU2Nhmr1HaJB09yXJcesCv%2FitXRRBKWiCKo%2F%2FEsslEUaE5CzgVxyd36KmNnAIdvZhybNnLbxQWV7%2F2Jlta91fD2h9N9KDXj%2FY%2Bx7yWJM9dgUjRF1dwCjL8Rl6uvuTQI7U6ibrtBFrtiAIHZZxKHhlALIguBIFi6nOoSfDipIn4y3pOd5uFkbAzeDkPLMoQv%2FHwRrn3Q7b19CTOOTqYJa6xJeNPvY6hBrnaZ1oAWVib4AioEx0wuE4kVjE3MioJ%2Bs0%2FED76dryMmrrVZflSQWAIzzCYnKONzCB0CBqT1ZaAb6Z23Wd1II2Q%2FOC2V%2Fx6F0dL9cuhRD2TtKHG0TyaNU7r8axCg9F6aRPg48vZJKH%2Fo6nez6lio9BW5TNJXn8AxGWso%2BuLHMJOyt7MGOqcB5wVhQSDcBvVhfWo6b9nysbV7dxk0cuOg15UUS0f1E3mg6pIjth5FYpyacZOPg6W2NooTJwpGk96EYKnkg3o2ra1ddEE17ADMCckIPYNUZAmAfZceUqNOM8eyVxjafuyAfmab6z2m1eepoiPZQsL1uM%2FFmJcLyiko1eFbo0T0jcE8xjRcoAO09CNpECnVHhBgg9KIRQtTvuOl2VwQA0Cpffz%2FkBTxGvw%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIUVGYJ2YEK%2F20240615%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240615T181941Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=a1a4cf3669589c3d18b1aee98c1df918e8f106f2a4722d6a2f89eeb0500ab7d3) |
図表2 |
![210819-2.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/210819-2.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjECoaDmFwLW5vcnRoZWFzdC0xIkYwRAIgF5E2Rw%2B%2FMZ%2Btp%2BltGJVR7biTYVkw7%2BAirSwo6U%2Bwv7cCIDLjNbAVIOm%2FD4L9OyjYZf5cwHmDxbV3C5ky%2FmPoVVcTKpkECMP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMNTMyMzMxMDcyMDQxIgxfHP8SNzCZl4ikl4cq7QO%2FA6upK3zUs8MoVkti2Bfu1lQj5mAA6M%2FeUVqrJUXAW459uNddExn8pfI9MLmhESvuhIDpRZI8APdS%2FwkZAcyDD2TE69A69EEPcvni8ndZUnxn9W2z%2Fn%2FZNTXyW%2FoCUrtidwc9IV36OxLuD5PTPcFgXqY3ga%2FTgfQSqYNqS4Q5fDskesUS%2F4uL9B%2BTg8JUKeoRS8LmaNlRXKDI%2FBPyE5zFROpC43t2YHN9HI2ba2VbR007Y%2FhU8JeWNFusqm6EgAEPxXLVWnGnQwU2Nhmr1HaJB09yXJcesCv%2FitXRRBKWiCKo%2F%2FEsslEUaE5CzgVxyd36KmNnAIdvZhybNnLbxQWV7%2F2Jlta91fD2h9N9KDXj%2FY%2Bx7yWJM9dgUjRF1dwCjL8Rl6uvuTQI7U6ibrtBFrtiAIHZZxKHhlALIguBIFi6nOoSfDipIn4y3pOd5uFkbAzeDkPLMoQv%2FHwRrn3Q7b19CTOOTqYJa6xJeNPvY6hBrnaZ1oAWVib4AioEx0wuE4kVjE3MioJ%2Bs0%2FED76dryMmrrVZflSQWAIzzCYnKONzCB0CBqT1ZaAb6Z23Wd1II2Q%2FOC2V%2Fx6F0dL9cuhRD2TtKHG0TyaNU7r8axCg9F6aRPg48vZJKH%2Fo6nez6lio9BW5TNJXn8AxGWso%2BuLHMJOyt7MGOqcB5wVhQSDcBvVhfWo6b9nysbV7dxk0cuOg15UUS0f1E3mg6pIjth5FYpyacZOPg6W2NooTJwpGk96EYKnkg3o2ra1ddEE17ADMCckIPYNUZAmAfZceUqNOM8eyVxjafuyAfmab6z2m1eepoiPZQsL1uM%2FFmJcLyiko1eFbo0T0jcE8xjRcoAO09CNpECnVHhBgg9KIRQtTvuOl2VwQA0Cpffz%2FkBTxGvw%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIUVGYJ2YEK%2F20240615%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240615T181941Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=ed9dd5ce5a466adbcf33ea2cbb1f6524bb153a703eb724574d2169ee32720a5f) |
図表3 |
![210819-3.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/210819-3.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjECoaDmFwLW5vcnRoZWFzdC0xIkYwRAIgF5E2Rw%2B%2FMZ%2Btp%2BltGJVR7biTYVkw7%2BAirSwo6U%2Bwv7cCIDLjNbAVIOm%2FD4L9OyjYZf5cwHmDxbV3C5ky%2FmPoVVcTKpkECMP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMNTMyMzMxMDcyMDQxIgxfHP8SNzCZl4ikl4cq7QO%2FA6upK3zUs8MoVkti2Bfu1lQj5mAA6M%2FeUVqrJUXAW459uNddExn8pfI9MLmhESvuhIDpRZI8APdS%2FwkZAcyDD2TE69A69EEPcvni8ndZUnxn9W2z%2Fn%2FZNTXyW%2FoCUrtidwc9IV36OxLuD5PTPcFgXqY3ga%2FTgfQSqYNqS4Q5fDskesUS%2F4uL9B%2BTg8JUKeoRS8LmaNlRXKDI%2FBPyE5zFROpC43t2YHN9HI2ba2VbR007Y%2FhU8JeWNFusqm6EgAEPxXLVWnGnQwU2Nhmr1HaJB09yXJcesCv%2FitXRRBKWiCKo%2F%2FEsslEUaE5CzgVxyd36KmNnAIdvZhybNnLbxQWV7%2F2Jlta91fD2h9N9KDXj%2FY%2Bx7yWJM9dgUjRF1dwCjL8Rl6uvuTQI7U6ibrtBFrtiAIHZZxKHhlALIguBIFi6nOoSfDipIn4y3pOd5uFkbAzeDkPLMoQv%2FHwRrn3Q7b19CTOOTqYJa6xJeNPvY6hBrnaZ1oAWVib4AioEx0wuE4kVjE3MioJ%2Bs0%2FED76dryMmrrVZflSQWAIzzCYnKONzCB0CBqT1ZaAb6Z23Wd1II2Q%2FOC2V%2Fx6F0dL9cuhRD2TtKHG0TyaNU7r8axCg9F6aRPg48vZJKH%2Fo6nez6lio9BW5TNJXn8AxGWso%2BuLHMJOyt7MGOqcB5wVhQSDcBvVhfWo6b9nysbV7dxk0cuOg15UUS0f1E3mg6pIjth5FYpyacZOPg6W2NooTJwpGk96EYKnkg3o2ra1ddEE17ADMCckIPYNUZAmAfZceUqNOM8eyVxjafuyAfmab6z2m1eepoiPZQsL1uM%2FFmJcLyiko1eFbo0T0jcE8xjRcoAO09CNpECnVHhBgg9KIRQtTvuOl2VwQA0Cpffz%2FkBTxGvw%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIUVGYJ2YEK%2F20240615%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240615T181941Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=7e9373357e6a55a8791f4ca62cdf86faf01bf680a9788c0e479867346c18914a) |
図表4 |
![210819-4.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/210819-4.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjECoaDmFwLW5vcnRoZWFzdC0xIkYwRAIgF5E2Rw%2B%2FMZ%2Btp%2BltGJVR7biTYVkw7%2BAirSwo6U%2Bwv7cCIDLjNbAVIOm%2FD4L9OyjYZf5cwHmDxbV3C5ky%2FmPoVVcTKpkECMP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMNTMyMzMxMDcyMDQxIgxfHP8SNzCZl4ikl4cq7QO%2FA6upK3zUs8MoVkti2Bfu1lQj5mAA6M%2FeUVqrJUXAW459uNddExn8pfI9MLmhESvuhIDpRZI8APdS%2FwkZAcyDD2TE69A69EEPcvni8ndZUnxn9W2z%2Fn%2FZNTXyW%2FoCUrtidwc9IV36OxLuD5PTPcFgXqY3ga%2FTgfQSqYNqS4Q5fDskesUS%2F4uL9B%2BTg8JUKeoRS8LmaNlRXKDI%2FBPyE5zFROpC43t2YHN9HI2ba2VbR007Y%2FhU8JeWNFusqm6EgAEPxXLVWnGnQwU2Nhmr1HaJB09yXJcesCv%2FitXRRBKWiCKo%2F%2FEsslEUaE5CzgVxyd36KmNnAIdvZhybNnLbxQWV7%2F2Jlta91fD2h9N9KDXj%2FY%2Bx7yWJM9dgUjRF1dwCjL8Rl6uvuTQI7U6ibrtBFrtiAIHZZxKHhlALIguBIFi6nOoSfDipIn4y3pOd5uFkbAzeDkPLMoQv%2FHwRrn3Q7b19CTOOTqYJa6xJeNPvY6hBrnaZ1oAWVib4AioEx0wuE4kVjE3MioJ%2Bs0%2FED76dryMmrrVZflSQWAIzzCYnKONzCB0CBqT1ZaAb6Z23Wd1II2Q%2FOC2V%2Fx6F0dL9cuhRD2TtKHG0TyaNU7r8axCg9F6aRPg48vZJKH%2Fo6nez6lio9BW5TNJXn8AxGWso%2BuLHMJOyt7MGOqcB5wVhQSDcBvVhfWo6b9nysbV7dxk0cuOg15UUS0f1E3mg6pIjth5FYpyacZOPg6W2NooTJwpGk96EYKnkg3o2ra1ddEE17ADMCckIPYNUZAmAfZceUqNOM8eyVxjafuyAfmab6z2m1eepoiPZQsL1uM%2FFmJcLyiko1eFbo0T0jcE8xjRcoAO09CNpECnVHhBgg9KIRQtTvuOl2VwQA0Cpffz%2FkBTxGvw%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIUVGYJ2YEK%2F20240615%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240615T181941Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=d9d2672cd405b134852fb6b71a0c5eb9f08f9798f17c2f4f2ec7456d0cc58d24) |
図表5 |
![210819-5.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/210819-5.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjECoaDmFwLW5vcnRoZWFzdC0xIkYwRAIgF5E2Rw%2B%2FMZ%2Btp%2BltGJVR7biTYVkw7%2BAirSwo6U%2Bwv7cCIDLjNbAVIOm%2FD4L9OyjYZf5cwHmDxbV3C5ky%2FmPoVVcTKpkECMP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMNTMyMzMxMDcyMDQxIgxfHP8SNzCZl4ikl4cq7QO%2FA6upK3zUs8MoVkti2Bfu1lQj5mAA6M%2FeUVqrJUXAW459uNddExn8pfI9MLmhESvuhIDpRZI8APdS%2FwkZAcyDD2TE69A69EEPcvni8ndZUnxn9W2z%2Fn%2FZNTXyW%2FoCUrtidwc9IV36OxLuD5PTPcFgXqY3ga%2FTgfQSqYNqS4Q5fDskesUS%2F4uL9B%2BTg8JUKeoRS8LmaNlRXKDI%2FBPyE5zFROpC43t2YHN9HI2ba2VbR007Y%2FhU8JeWNFusqm6EgAEPxXLVWnGnQwU2Nhmr1HaJB09yXJcesCv%2FitXRRBKWiCKo%2F%2FEsslEUaE5CzgVxyd36KmNnAIdvZhybNnLbxQWV7%2F2Jlta91fD2h9N9KDXj%2FY%2Bx7yWJM9dgUjRF1dwCjL8Rl6uvuTQI7U6ibrtBFrtiAIHZZxKHhlALIguBIFi6nOoSfDipIn4y3pOd5uFkbAzeDkPLMoQv%2FHwRrn3Q7b19CTOOTqYJa6xJeNPvY6hBrnaZ1oAWVib4AioEx0wuE4kVjE3MioJ%2Bs0%2FED76dryMmrrVZflSQWAIzzCYnKONzCB0CBqT1ZaAb6Z23Wd1II2Q%2FOC2V%2Fx6F0dL9cuhRD2TtKHG0TyaNU7r8axCg9F6aRPg48vZJKH%2Fo6nez6lio9BW5TNJXn8AxGWso%2BuLHMJOyt7MGOqcB5wVhQSDcBvVhfWo6b9nysbV7dxk0cuOg15UUS0f1E3mg6pIjth5FYpyacZOPg6W2NooTJwpGk96EYKnkg3o2ra1ddEE17ADMCckIPYNUZAmAfZceUqNOM8eyVxjafuyAfmab6z2m1eepoiPZQsL1uM%2FFmJcLyiko1eFbo0T0jcE8xjRcoAO09CNpECnVHhBgg9KIRQtTvuOl2VwQA0Cpffz%2FkBTxGvw%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIUVGYJ2YEK%2F20240615%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240615T181941Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=304042a18b42095285a412bc906ae85d28aa9226372caace96e55bdbe6873797) |
カテゴリ |
かき
カラー
出荷調整
保存・貯蔵
|