PROBLEM TO BE SOLVED: To provide a new food technology utilizing the leaves of reed spontaneously growing in Japan, gentle to the natural environment and capable of using the same greatly for the promotion of health of people.SOLUTION: A reed/ashwagandha beverage based on the utilization of reed leaf powder and ashwagandha leaf powder is obtained by mixing any one of each of the prescribed amounts of reed leaf powder produced by harvesting the blue leaves together with stems at around the midsummer days, when the growth of reed is completed and their blue leaves become approximately 50 cm, conveying them to a processing plant, picking the soft leaves from the stems, washing through warm water, selecting, then removing water content uniformly and quickly by a dryer so that freshness is not lost, drying without having unevenness and then processing them to a powdery state by a crusher, and ashwagandha leaf powder similarly obtained by the powdering process, and of each of the prescribed amounts of the reed leaf powder, ashwagandha leaf powder and rice powder, with a suitable amount of beverage liquid.COPYRIGHT: (C)2013,JPO&INPIT【課題】 我が国内に自生するヨシの葉を利用し、自然環境に優しく、人々の健康増進に大いに役立てることができる新たな食品技術を提供する。【解決手段】 土用の頃、ヨシの生育が一段落し、青葉が50cm程度になった頃、茎毎収穫して加工場に搬入し、茎から葉を摘み取り、湯通し洗浄・選別してから、乾燥機にて鮮度を失わないよう迅速且つ均一に水分を抜き、ムラ無く乾燥させた後、粉砕機にて粉末状に加工したヨシ葉粉末、および、同様にして粉末化加工してなるアシュワガンダ葉粉末の各所定量毎か、または、ヨシ葉粉末、アシュワガンダ葉粉末および米粉の各所定量毎かの何れか一方を、適量の飲料液に混合してなるものとした、この発明の基本をなすヨシ・アシュワガンダ末を利用したヨシ・アシュワガンダ飲料である。【選択図】 なし