Table 1. Characteristics of the compounds isolated from the stem bark of D. edulis.
| Code | Physicochemical properties | Extraction yield (mg) | Molecular weight (Da) | Formula and name (reference*) |
|---|---|---|---|---|
| DES1 | Yellow powder in CH2Cl2; Melting point: 176-179 °C, Shinoda test positive | 18 | ~449 | C21H20O11; Quercitrin [28,29] |
| DES2 | Yellow powder in CH2Cl2; Melting point: 171-173 °C, Shinoda test positive | 8 | ~432 | C21H20O10 ; Afzelin [29] |
| DES3 | Yellow powder in Hex; Melting point: 314-316 °C, Shinoda test positive; reacts with ferric chloride. | 10 | ~302 | C15H10O7 ; Quercetin [30] |
| DES4 | White powder in CH2Cl2; Melting point: 197-199 °C, reacts with ferric chloride; Shinoda test negative | 11 | ~184 | C8H8O5; methyl 3,4,5-trihydroxybenzoate [30] |
| DES5 | White powder in MeOH; soluble in hot CH2Cl2 : MeOH (1:1); Melting point: 283-285 °C, Liebermann-Burchard test positive. | 8 | ~579 | C35H60O6; sitosterol 3-O-β-D-glucopyranoside sterol [31] |
* Reference of the work which discovered the compound for the first time.
CH2Cl2- Methylene chloride; MeOH- Methanol ; Hex- n-hexane ; CH2Cl2:MeOH- Methylene chloride:Methanol mixture (1:1).