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为了满足人们对甜食的需要,近年来,许多国家特别注意寻找高甜度和低热能的甜味物质。现已发现这类甜味物质不下百种,其中属于植物性的甜味质有多肽、甘草酸苷、黄酮糖苷、二氢查耳酮与卫矛醇等,这类甜味物质的甜度,有的比蔗糖高几百倍到上千倍。下面介绍主要的几种: 紫苏(Perilla frutescens)唇形科一年生草本植物,全国各地都有栽培,是民间常用的中药。在植物茎叶蒸馏提取的挥发油中,含有40—50％的紫苏醛。其味甜,甜度为蔗糖的200倍。
In order to meet people’s need for sweets, in recent years, many countries have paid special attention to finding sweet substances with high sweetness and low calorie content. It has been found that there are no less than 100 kinds of sweet substances, of which the sweet substances belonging to plants are polypeptides, glycyrrhizin, flavone glycosides, dihydrochalcone and dulcitol, etc. The sweetness of these sweet substances is Some are several hundred times to thousands of times higher than sucrose. Here are some of the main ones: Perilla frutescens, an annual herbaceous plant of the Labiatae family, cultivated all over the country and is a folk medicine commonly used by folks. The volatile oil extracted from the stems and leaves of plants contains 40-50% of perilla aldehyde. It is sweet and sweet, 200 times sweeter than sucrose.