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Table 2 Extraction yields and phytochemical constituents of tested medicinal plant extracts

From: Thai ethnomedicinal plants as resistant modifying agents for combating Acinetobacter baumannii infections

  Botanical names Part used Yield (%; w/w)a Phytochemical constituentsb
     1 2 3 4 5 6
1 Aegle marmelos (L.) Corr. Serr. Fruit 5.3 + + + - + -
2 Ardisia colorata Roxb. Fruit 4.4 + + - - + -
3 Asclepias curassavica L. Wood 0.9 + + - - - -
4 Centella asiatica (L.) Urb. Whole 6.0 + - - - + -
5 Cinnamomum bejolghota (Buch.-Ham.) Sweet Wood 2.2 + + - - + -
   Bark 14.6 + - - + + -
6 Cinnamomum porrectum (Roxb.) Kosterm. Wood 11.2 - - - - + -
   Bark 7.0 + + - - + -
7 Curcuma longa L. Rhizome 13.9 + + + - + -
8 Curcuma zedoaria (Christm.) Roscoe Rhizome 13.9 + + + - - +
9 Derris scandens Benth. Stem 3.2 - + - - + -
10 Dracaena loureiri Gagnep. Wood 16.9 - - - - - +
11 Dryopteris syrmatica (Willd.) Kuntze Stem 4.5 + + - - + -
12 Eleutherine americana (Aubl.) Merr. ex K. Bulb 4.8 + + - - - -
13 Euphorbia thymifolia L. Whole plant 1.3 - + - - + -
14 Garcinia mangostana L. Pericarp 5.3 - - - - - -
15 Gymnopetalum cochinchinensis (Lour.) Kurz Fruit 7.6 - - - - + -
16 Holarrhena antidysenterica (L.) Wall. ex A. DC. Bark 2.1 + + - - - +
17 Impatiens balsamina L. Stem 5.2 - + - - + -
18 Manilkara achras (Mill.) Fosb. Fruit 26.7 + - + - - +
19 Millingtonia hortensis L.f. Flower 25.4 + + + - - -
20 Mitragyna speciosa Korth. Leaf 5.9 + + - - + -
21 Momordica charantia L. Vine 3.0 + - - - + -
22 Morinda citrifolia L. Fruit 7.3 + - + - + -
23 Murdannia loriformis (Hassk.) R. Rao & Kammathy Whole plant 7.6 + - - - + -
24 Oroxylum indicum (L.) Vent. Leaf 3.7 + + - - + -
25 Peltophorum pterocarpum (DC.) Backer ex K. Heyne Flower 7.1 + - - - - -
   Bark 7.1 + + - - - +
26 Piper betle L. Leaf 12.4 - + - - + -
27 Piper nigrum L. Fruit 4.2 + - - - + -
   Seed 4.2 + - - - + -
28 Piper retrofractum Vahl Fruit 7.0 - - - - + -
29 Piper sarmentosum Roxb Leaf 1.7 + - - - + -
30 Pluchea indica (L.) Less. Leaf 17.8 + + - - + -
31 Psidium guajava L. Leaf 8.0 + + - - + -
32 Punica granatum L. Pericarp 13.0 + + + - - +
33 Quercus infectoria G.Olivier Gall 37.8 + - - + - -
34 Quisqualis indica L. Flower 11.0 + - + + + -
35 Rhizophora mucronata Lam. Fruit 10.7 + + - - - +
   Bark 11.6 - + - - - +
36 Rhodomyrtus tomentosa (Aiton) Hassk. Stem 7.1 + + - - - +
37 Sandoricum indicum Cav. Root 4.0 + - - - + -
38 Tamarindus indica L. Leaf 4.8 + + + - + -
39 Terminalia bellirica (Gaertn.) Roxb. Fruit 14.8 + - - - + -
40 Terminalia chebula (Gaertn.) Retz. Fruit 5.9 + + - - - +
41 Terminalia sp. Fruit 23.9 + - - + - -
42 Theobroma cacao L. Pericarp 3.6 + + - - + -
   Seed 5.9 - + + - - +
43 Vitex trifolia L. Leaf NDc + + - - + -
44 Xylocarpus granatum J. Koenig. Pericarp 2.6 + + - - + -
   Seed 6.7 + + + - - +
  1. aPercentage extract yields of medicinal plants were weight of crude extract per 100 g of dried plant materials.
  2. bPhytochemincal constituents: 1, alkaloids; 2, condensed tannins; 3, flavonoids; 4, hydrolysable tannins; 5, steroids and 6, triterpenoids; ‘-’ indicates absence of phytoconstituents ‘+’ indicates presence of phytoconstituents.
  3. c ND Not determined.