Extract (composition) | Extraction technique | Isolated active compound (%) | Ref. |
---|---|---|---|
Sabal Select (>90% free fatty acids or their esterified forms, 0.01-0.15% fatty alcohols, 0.25-0.50% total sterols, 0.15-0.35% β-sitosterol) | Supercritical CO2 | Oleic acid (15%) | [26] |
Lauric acid (15%) | |||
Sabal Select (>90% free fatty acids or their esterified forms, 0.01-0.15% fatty alcohols, 0.25-0.50% total sterols, 0.15-0.35% β-sitosterol) | Supercritical CO2 | Lauric acid (30.2%) | |
Oleic acid (28.5%) | |||
Myristic acid (12.1%) | |||
Palmitic acid (9.1%) | |||
Linoleic acid (4.6%) | |||
free fatty acids/mixed triglycerides ratio: ~55/45 | |||
Permixon | Solvent (hexane) extraction | Oleic acid (36.0%), | |
Free saturated and unsaturated fatty acids (>90%) | Lauric acid (27.5%), | ||
Myristic acid (12.0%) | |||
Palmitic acid (9.7%). | |||
Esterified FAs represent 7%, while the rest is composed of phytosterols, flavonoids, alcohols and polyprenic compounds | |||
Prostasan | Solvent (96% ethanol) extraction | Not reported | [34] |
(95% total content of free fatty acids) | |||
Prostasan | Solvent (96% ethanol) extraction | Not reported | [35] |
(86% total content of free fatty acids) | |||
Saw Palmetto Berry Powder ( SPBE) (Madis Botanical, Inc., New Jersey) | Solvent (20% ethanol) extraction of (phyto)sterols | β-sitosterol, | [36] |
Stigmasterol, | |||
Cholesterol | |||
(90% free fatty acids, alcohols and sterols) | |||
PC-SPES | Solvent (70% ethanol) extraction | Not reported | [37] |
Talso, Talso uno | Supercritical CO2 | acid lipophilic compounds, fatty alcohols and sterols as main components | [38] |
Prostamol Uno | Not reported | Saturated and unsaturated fatty acids and phytosteroids | |
ProstateEZE Max | Not reported | Serenoa repens standardized to fatty acids, Pygeum africanum standardized to β-sitosterol, Epilobium parviflorum, Cucurbita pepo seed oil, lycopene | [41] |
Profluss | Oily extract | Serenoa repens extract 85%, lycopene 6%, selenium | [42] |
SeR | Solvent (ethanol) extraction | Not reported | [43] |