Table 3.
Comparison of the total phenol content (TPC), total flavonoid content (TFC) and total proanthocyanidin oligomer content (OPC) contents between commercially available standardized extracts (as given by the supplier) and infusions at 10 min extraction time (as determined in this work). Q = quercetin, CY = cyanidin, GA = gallic acid, HY = hyperoside, epiCAT = epicatechin. a as for 2017.
| Standardized Extracts | Uptake Quantity | Dry Extract Content | Dry Plant: Dry Extract Ratio | Plant Organ | Excipients | Extraction Solvent | TPC | TFC | OPC | Price (€) |
Treatment Cost/Day (cents) |
Cost/30 Days (€) a |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EPS Phyto-prevent® | 5–10 mL | 900 mg/5 mL | - | Leaves & flowers | Glycerol | - | - | 7.5–12.5 mg eq. Q/5 mL (0.8–1.4 %) | - | 19.89/150 mL | 66.3/5 mL | 19.9 |
| WS1442® crataegutt novo 450 (or Cardiplant® 450 or Cardio Max WS 1442®) | 1–2 tablets | 450 mg/1 tablet | 4.0–6.6:1 | Leaves & flowers | Glucose, SiO2, Fe2O3, TiO2, sucrose, gelatine, macrogol, citric acid, … | EtOH (45 %) | - | - | 78–90.6 mg eq. epiCAT/1 tablet (17.3–20.1 %) | 16.13/50 tablets | 64.5/2 tablets | 19.4 |
| Crataegisan ® Bioforce | 30–90 drops (0.75−2.25 mL) | 690 mg/90 drops | 3.2:1 | Fruits | EtOH (46−54%) | EtOH (50 %) | 12.7 mg eq. GA/90 drops (1.84 %) | - | 6.4 mg/90 drops (0.93%) | 10.50/50 mL | 52.5/90 drops | 15.8 |
| Faros 300® LI 132 | 3 Tablets | 300 mg/1 tablet | 4.0–7.0:1 | Leaves, flowers & fruits | Glucose, SiO2, lactose, TiO2, sucrose, gelatine, macrogol, … | MeOH (70 %) | - | 6.6 mg eq. HY/1 tablet (2.2 %) | - | 23.25/100 tablets | 69.7/3 tablets | 20.9 |
| Infusion (lot no. 20335) |
1–2 infusions | 555 mg/10 min infusion (from 2.5 g ground dry plant) |
4.3–4.6:1 | Leaves & flowers | Water | Water | 82 mg eq. GA/1 infusion | 8.6 mg eq. Q/1 infusion | 9.8 mg eq. CY/1 infusion | 29.25/1 kg | 7.3/1 infusion | 2.2 |