After the melting long term retaining, offer the guaba leaf extract powder whose decrease of quality and functionality is little. Until it extracts the guaba leaf with the hot water of 90 - the 98C, the extract which is obtained, the degree of brix sugar it becomes the range 20 - 30, the guaba leaf extract powder which is obtained with production method and this method of the guaba leaf extract powder which features that it concentrates, it freezes it dries the said concentrated extract.溶解後長期保存しても品質や機能性の低下が少ないグァバ葉エキス粉末を提供すること。グァバ葉を90~98℃の熱水で抽出し、得られたエキスを、ブリックス糖度20~30の範囲となるまで濃縮し、該濃縮エキスを凍結乾燥することを特徴とするグァバ葉エキス粉末の製造方法及びこの方法で得られたグァバ葉エキス粉末。
