山东省生物研究所研制成功“菱角滋补饮料”,于1988年8月通过省科学院组织的技术鉴定。“菱角滋补饮料”是以菱角为主要原料,配以适量滋补强壮中药研制而成,含有多种氨基酸、微量元素和维生素类等有效成分。专家们一致认为,该饮料口味纯正、酸甜可 The Institute of Biology of Shandong Province successfully developed the “Landhorn nourishing drink”. In August 1988, it passed the technical appraisal organized by the Provincial Academy of Sciences. “Landhorn nourishing drink” is made from water chestnut as the main raw material, and is made up of moderate amount of nourishing and strong Chinese medicine. It contains various active ingredients such as amino acids, trace elements and vitamins. Experts agreed that the drink is pure, sweet and sour