Table 2.
Summary of several in vitro studies about the antioxidant activity and total phenolic content of genus Senna.
| Senna genus | Part of plant—solvent—procedure (if any) | Method | Result | References | |||||
|---|---|---|---|---|---|---|---|---|---|
|
Senna gardneri (Benth.) H.S.Irwin & Barneby Senna macranthera (Collad.) H.S.Irwin & Barneby Senna splendida (Vogel) H.S.Irwin & Barneby Senna trachypus (Benth.) H.S.Irwin & Barneby |
Root, leaves—ethanol | DPPH, ABTS—Folin-Ciocalteu | DPPH (IC50 mg/mL) | ABTS (TEAC) | TPC (mg GAE/100 g) | [188] | |||
| Root = Sg | 0,396 | 57,13 | 214,25 | ||||||
| Sm | 0,534 | 53,72 | 122,09 | ||||||
| Ss | 0,502 | 36,02 | 146,60 | ||||||
| St | 0,253 | 64,47 | 1277,34 | ||||||
| Leaves = Sg | 0,089 | 47,91 | 338,76 | ||||||
| Sm | 0,424 | 26,72 | 207,71 | ||||||
| Ss | 0,286 | 29,63 | 148,24 | ||||||
| St | 0,401 | 30,71 | 322,09 | ||||||
| Senna velutina (Vogel) H.S.Irwin & Barneby | Leaves—ethanol | DPPH | [185] | ||||||
| Senna reticulata (Willd.) H.S.Irwin & Barneby | Aerial parts—Methyl tert-butyl ether (MTBE)/methanol (90 : 10) | DPPH, ORAC-Folin-Ciocalteu | DPPH (𝜇g/mL) | ORAC (mmol TE/mg extract) | TPC (mg GAE/g) | [193] | |||
| 72.90 | 2.68 | 79.3 | |||||||
| Senna alata (L.) Roxb. | Roots—acetone, ethanol, water | DPPH, ABTS (IC50) | DPPH (𝜇g/mL) | ABTS (mmol TE/mg extract) | TPC (mg GAE/g) | [189] | |||
| Acetone | 82.42 | 64,93 | 21,42 | ||||||
| Ethanol | 45,18 | 39,14 | 78,21 | ||||||
| Water | 61,15 | 48,3 | 46,3 | ||||||
| Senna bicapsularis (L.) Roxb. | Flowers—ethanol, water | DPPH, FRAP—Folin-Ciocalteu | % DPPH inhibition | FRAP (𝜇moles Fe(II)/100 g). | TPC (mg GAE/100 g) | [194] | |||
| Ethanol | 99,51 | 2403.15 | 26223.78 | ||||||
| Water | 96,51 | 1966.30 | 9468.18 | ||||||
| Senna italica mill. | Aerial parts—ethyl acetate, n-butanol | ABTS | % Inhibition | [88] | |||||
| Ethyl acetate | 82,9 | ||||||||
| n-Butanol | 85,7 | ||||||||
| Senna siamea (Lam.) H.S.Irwin & Barneby | Leaves—ethanol (49%)—ultrasound-assisted (UA) | DPPH, FRAP—Folin-Ciocalteu | %DPPH inhibition. | FRAP (mM FeSO4/g) | TPC (mg GAE/g) | [190] | |||
| Ethanol | 80,49 | 8,08 | 455,42 | ||||||
| UA | 91,83 | 11,41 | 575,23 | ||||||
| Senna alexandrina Mill. | Flowers, leaves—ethanol (70%)—microwave, Soxhlet, marination, reflux and sonication | DPPH—HPLC-ESI-MS/MS | %Inhibition (IC50) = microwave | Soxhlet | Marination | Reflux | Sonication | [191] | |
| Flowers | 3,1 | 3,4 | 3,5 | 6,5 | 5,9 | ||||
| Leaves | 3,6 | 4,2 | 5,6 | 6,2 | 7,4 | ||||
| Senna alata (L.) Roxb. | Leaves—ethanol | Chemiluminescence measurement | [192] | ||||||
| Senna alata (L.) Roxb. | Root, stem, seed, leaves and flower—methanol/water (80%) | FRAP-Folin-Ciocalteu | FRAP (g/100 g) | TPC (g/100 g) | [195] | ||||
| Root | 0,255 | 1,69 | |||||||
| Stem | 0,457 | 2,27 | |||||||
| Seed | 0,345 | 2,59 | |||||||
| Leave | 0,560 | 2,33 | |||||||
| Flower | 0,565 | 1,36 | |||||||