| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealing element for the subject of extraction, capable of extracting ingredients at high concentration and a product set of the sealing element for the subject of extraction and a filter, which is easily manufacturable at low cost and convenient to use. SOLUTION: In a sealing element for the subject of extraction, in which the subject of extraction (coffee powder) 3 is enclosed in a wrapping material 4, water-soluble wrapping paper 41 is used as at least a portion of the wrapping material 4. Therefore, even in the case of the sealing element for the subject of extraction, the sealing element for the subject of extraction is wetted with hot water during the extraction of coffee to melt the water-soluble wrapping paper 41 to bring the hot water into contact with the entire subject 3 of extraction. |
