4-Androstenedione

1. Product introduction

　　The biological activity of androstenedione is intermediate between that of the very active androgen testosterone and that of the very weakly androgenic dehydroandrosterone. Androstenedione has hormoneogenic properties.

2. Technology parameter

　　Use phytosterol as substrate; 
　　Free from soybean oil utilization
　　Concentration of phytosterol: >25g/L; 
　　Fermentation time: 96hrs; 
　　Final titre: >10g/L