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Table 1 Tentative identification of the constituents of C. sinensis bioactive fraction. Data show tentative identification of compounds within the bioactive fraction of C. sinensis extract from published literature and publicly accessible online databases, monoisotopic mass m/z, chemical formula, and peak area of each compound at a particular retention time (Rt)

From: Potential of Camellia sinensis proanthocyanidins-rich fraction for controlling malaria mosquito populations through disruption of larval development

No.

Rt (min)

m/z [M + H]+

Peak area (%)

Chemical formula

Tentative identification

1

0.84

158.0822

2.1269

–a

Unknownb

2

3.06

195.0919

7.0454

C8H11N4O2

Caffeine

3

4.42

303.0516

4.9190

C15H10O7

Quercetin

4

5.10

287.0566

6.0235

C15H10O6

Kaempferol

5

8.52

903.2551

1.4543

C42H46O22

Kaempferol rhamnoside

6

8.56

887.2620

0.6415

C42H46O21

Kaempferol rhamnosyl glucoside

7

16.00

621.2712

6.3769

−

Unknown

8

16.15

593.2830

15.2641

C31H28O12

Proanthocyanidin

9

16.52

607.2932

9.4702

C36H38N4O5

Phenyl peptide

10

21.44

954.6154

2.3624

–

Unknown

  1. a–Represents missing chemical formula for the compounds with serial number 1, 7 and 10
  2. b‘Unknown’ means that compound was unidentifiable from searched databases and published literature