英语语法分析

Stevia (Steviarebaudiana, honey herb) is a source of stevioside that is a natural sweetener.

甜叶菊（Steviarebaudiana，蜂蜜药草）是甜菊糖甙的一种天然甜味剂。

The influence of steam distillation on the taste properties of stevioside was studied and proved to be economic effective.

本文在探讨了现行甜菊甙提取工艺的基础上，提出了汽提除苦的新工艺，实践证明是一种经济易行的方法。

The technique of extracting stevioside with low temperature and circulatively flowing water is simple and easy. Its productive cost is cheaper.

用水溶剂低温流动循环法浸提甜菊甙，简便易行，成本低廉。