Process for harvesting plants of the Apocynaceae family

摘要

Process for harvesting plants from the Apocynaceae family comprising the steps of: (a) removing the plants from the soil, (b) leaving the intact plants to cure for a period of at least 1 day, (c) cutting up the cured plants, (d) further drying the cut plants, to obtain dried plant material comprising the steroidal glycoside having the formula (2):