When it came to IPMP (associated with “green pea” and “earthy” flavours) the level increased by 2-3% for natural cork, but fell by 7% for screw cap and 19% for synthetic cork.
至於產生嫩豌豆味或者土味的IPMP含量,螺旋蓋子和合成軟木塞分別下降了7%和19%,天然軟木塞卻增加了2-3%。