Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC6155872/ Extraction of Fenugreek (Trigonella foenum-graceum L.) Seed Oil Using Subcritical Butane:... In this study, the subcritical butane extraction process of fenugreek seed oil was optimized using response surface methodology with a Box-Behnken design. The... trigonella foenum graceum