Table 1 List of nanoparticles along with its morphology, origin, size and applications

Gold and silver

Spherical, triangular

Aloe barbadensis Miller (Aloe vera)

10–30

Cancer hyperthermia, optical coatings

[7]

Indium oxide

Spherical

Aloe barbadensis Miller (Aloe vera)

5–50

Solar cells, gas sensors

[7]

Silver

Spherical

Acalypha indica

20–30

Antibacterial activity against water-borne pathogens

[8, 9]

Silver and gold

Spherical, triangular, and quasi-spherical

Apiin extracted from henna leaves

39

Hyperthermia of cancer cells and IR-absorbing optical coatings

[10, 11]

Gold

Rod-shaped

Avena sativa (oat)

5–20 (pH 3 and 4),

–

[12]

Gold, silver, and silver-gold alloys

Spherical, triangular, hexagonal

Azadirachta indica (neem)

5–35 and 50–100

Remediation of toxic metals

[13, 14]

Gold and silver

Spherical, prism

Camellia sinensis (leaf extracts of black tea)

20

Catalysts, sensors

[3, 6]

Silver

Spherical

Brassica juncea (mustard)

2–35

–

[15, 16]

Gold and silver

Quasi-spherical (Ag) and, triangular, spherical (Au)

Cinnamomum camphora (camphor tree)

55–80

–

[17, 18]

Silver

Spherical

Carica papaya (papaya)

60–80

–

[18]

Silver

Spherical, spheroidal

Citrus limon (lemon)

 < 50

–

[19]

Gold

Spherical, decahedral, triangular, truncated triangular,

Coriandrum sativum (coriander)

6.75–57.91

Drug delivery, photothermal therapy, tumor/tissue imaging

[20]

Gold

Spherical, triangular

Cymbopogon flexuosus (lemongrass)

200–500

Infrared-absorbing optical coatings

[21]

Silver

Spherical

Cycas sp. (cycas)

2–6

–

[22]

bimetallic gold/silver

Cubic

Diospyros kaki (persimmon)

50–500

–

[23, 24]

Gold and silver

–

Emblica officinalis

(10–20) and (15–25)

–

[25, 26]

Silver

Spherical

Eucalyptus citriodora (neelagiri)

20

Antibacterial

[27]

Silver

Crystalline, spherical

Eucalyptus hybrid (safeda)

50–150

–

[28]

Silver

Spherical

Garcinia mangostana (mangosteen)

35

Antibacterial activity against S. aureus and E. coli

[29, 30]

Palladium

–

Gardenia jasminoides Ellis (gardenia)

3–5

Nanocatalysts for p-nitrotoluene hydrogenation

[31, 32]

Gold

Irregular

Syzygium aromaticum (clove buds)

5–100

Detection as well as destruction of cancer cells

[33, 34]

Silver

Spherical

Jatropha curcas (seed extract)

15–50

–

[35, 36]

Silver

Spherical

Ludwigia adscendens (ludwigia)

100–400

–

[37, 38]

Gold

Irregular, decahedral, tetrahedral, icosahedral, hexagonal platelet

Medicago sativa (alfalfa)

2–40

Labeling in structural biology paints

[13, 39]

Silver

Spherical

Mentha piperita (peppermint)

5–30

To kill microbes

[40]

Iron oxide

Crystalline

Medicago sativa (alfalfa)

2–10

Drug delivery, cancer hyperthermia

[41, 42]

Silver

Spherical

Morus (mulberry)

15–20

Antimicrobial activity against E. coli, B. subtilis

[43, 44]

Silver

Spherical, decahedral, truncated triangular, triangular

Nelumbo nucifera (lotus)

25–80

Larvicidal activity against malaria and filariasis vectors

[45, 46]

Silver

Spherical

Ocimum sanctum ( root extract of tulsi)

10 ± 2 and 5 ± 1.5 nm

Catalytic reduction

[47, 48]

Gold and silver

Crystalline, triangular, hexagonal, and spherical

Ocimum sanctum (leaf extract of tulsi)

30 and 10–20

Biolabeling, biosensor

[49, 50]

Gold

Triangular, hexagonal

Pear fruit extract

200–500

Catalysis, biosensing

[51]

Gold

Crystalline

Pelargonium roseum

2.5–27.5

–

[52]

Gold

Mostly spherical

Psidium guajava (guava)

25–30

–

[53]

Zinc oxide

Hexagonal wurtzite as well as pseudo-spherical

Sedum alfredii Hance

53.7

Nanoelectronics

[54]

Gold and silver

Triangular, spherical

Tanacetum vulgare (tansy fruit)

11, 16

Antibacterial, sensors

[55, 56]

Gold

Spherical

Terminalia catappa (almond)

10–35

Biomedical field

[52]