PROBLEM TO BE SOLVED: To provide a method for enabling to easily peel astringent inner skin of a variety of chestnut from which astringent inner skin is easily peeled in a short time.SOLUTION: Shell and astringent inner skin are simultaneously peeled off by scratching fully ripe fruits of the variety of chestnut from which astringent inner skin is easily peeled after having been frozen, or fully ripe fruits of the variety of chestnut from which astringent inner skin is easily peeled are scratched and subjected to freezing treatment, and subsequently the shell and the astringent inner skin are simultaneously peeled off.COPYRIGHT: (C)2011,JPO&INPIT【課題】良渋皮剥皮系ニホングリ品種の渋皮を、簡便に、且つ短時間で剥皮することを可能とする方法を提供することを目的とする。【解決手段】凍結後の良渋皮剥皮系ニホングリ品種の完熟果実に傷を付けて鬼皮と渋皮を同時に剥皮するか、又は傷を付けた良渋皮剥皮系ニホングリ品種の完熟果実を凍結処理に供した後、鬼皮と渋皮を同時に剥皮する。【選択図】図4
