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Chemical and Biological Technologies in Agriculture

Table 1 Extracted amount of P. ribesioides twigs in different solvents

From: Synergistic interaction of thymol with Piper ribesioides (Piperales: Piperaceae) extracts and isolated active compounds for enhanced insecticidal activity against Spodoptera exigua (Lepidoptera: Noctuidae)

Solvents

Characteristics

Yield (%)a

Hexane

Light yellow sticky oil

0.3732

CH2Cl2

Light gray sticky extract

0.2265

EtOAc

Brown sticky extract

0.2797

MeOH

Dark brown sticky extract

0.0432

  1. aYield (%) = W/Wt × 100, where W is the weight of dried extract and Wt is the weight of the P. ribesioides powder used for extraction
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