Table 3.
plant | NP material | size (nm) | morphology | refs. |
alfalfa | Au | up to 360 | fcc1 tetrahedral, hexagonal platelet, icosahedral, decahedral and irregular | [163] |
Aloe Vera | Au | 50–350 | spherical and triangular | [41] |
aloin A and aloesin | Au | 4–45 | spherical | [161] |
aloin A and aloesin | Ag | 5 | spherical | [161] |
Argemone maxicana | Ag | 30 | cubic and hexagonal | [9] |
Azadirachta indica (neem) | Ag | up to 200 | triangular | [109] |
black tea extracts | Ag and Au | ≈20 | spheres, trapezoids, prisms and rods | [24] |
Bryophyllum sp. | Ag | 2–5 | fcc1 unit cell structure | [159] |
Cacumen platycladi | Au–Pd | 7 | spherical | [106] |
Callicarpa maingayi | Ag | 12.4 | spherical | [115] |
Cassia auriculata | Au | 15–25 | triangular and spherical | [74] |
Centella asiatica | Au | 9.3–10.9 | triangular, hexagonal and spherical | [88] |
Ceratonia silique | Ag | 5–40 | spherical | [45] |
Chlorella vulgaris | Ag | 20 | truncated triangular and irregular | [59] |
Cinnamomum zeylanicum | Au | 25 | prisms and spheres | [39] |
Corriandrum sativum | ZnO | 66–81 | cubic | [46] |
Curcuma longa | Ag | 6.3 | spherical | [42] |
Cyprus sp. | Ag | 2–5 | fcc1 unit cell structure | [159] |
Eclipta | Ag | 2–6 | spherical | [160] |
Eucalyptus chapmaniana | Ag | 60 | fcc1 unit cell structure | [6] |
Eucalyptus citriodora | Ag | ≈20 | spherical | [67] |
Ficus bengalensis | Ag | ≈20 | spherical | [67] |
Ficus benghalensis | Ag | 16 | spherical | [13] |
Fucus vesiculosus | Au | NR | spherical | [113] |
Hibiscus Rosa sinensis | Au | ≈14 | triangular, hexagonal, dodecahedral and spherical | [84] |
Hibiscus Rosa sinensis | Ag | ≈13 | spherical | [84] |
Hydrilla sp. | Ag | 2–5 | fcc1 unit cell structure | [159] |
Iresine herbstii | Ag | 44–64 | spherical | [48] |
Jatropha curcas (latex) | Ag | 20–40 | fcc1 unit cell structure | [76] |
Jatropha curcas (seed extract) | Ag | 15–50 | spherical | [102] |
lemongrass plant | Au | ≈25 | triangular | [40] |
Leptadenia reticulate | Ag | 50–70 | spherical | [49] |
Lonicera japonica | Ag | 7.8 | spherical, triangular and hexagonal | [25] |
Lonicera japonica | Au | 8.02 | spherical, triangular and hexagonal | [25] |
Macrotyloma uniflorum | Au | 14–17 | spherical | [14] |
Mangifera indica | Au | 18 | spherical | [158] |
Mangifera indica | Ag | 20 | triangular, hexagonal and spherical | [43] |
Mulberry leaves | Ag | 20–40 | spherical | [58] |
Musa balbisiana (banana) | Ag | 80.2 | spherical | [109] |
Ocimum tenuiflorum (tulsi) | Ag | up to 200 | cuboidal | [109] |
Pelargonium graveolens | Ag | 27 | spherical and ellipsoidal | [162] |
Psidium guajava | Au | 4–24 | spherical | [75] |
rose petals | Au | 10 | spherical, triangular and hexagonal | [20] |
Scutellaria barbata | Au | 5–30 | spherical and triangular | [77] |
tea extract | Ag | 11–30 | spherical | [32] |
tea and coffee extract | Ag and Pd | 20–60 | spherical | [51] |
tea extract | Au | 15–45 | spherical | [79] |
Trigonella foenum-graecum | Au | 15–25 | spherical | [19] |
Vitex negundo | Ag | 18.2 | spherical | [5] |
1fcc: face-centered cubic.