Skip to main content
. 2021 Aug 20;7(8):e07834. doi: 10.1016/j.heliyon.2021.e07834

Table 2.

Quality indicators of P. patula and P. oocarpa resin, rosin and turpentine.

Pinus Resin
Sample Acidity index (mg KOH.g−1 sample) Saponification index (mg KOH.g−1 sample) Unsaponifiable matter (%) Impurities % Moisture %
P.PAT 134.39–140.0 136.20–138.0 22.33 0.43–1.13 3.23–4.07
P.OOC 133.89–135.0 134.0–137.35 24.50 0.43–1.16
2.62–5.68

Turpentine

Sample
Acidity index (mg KOH.g−1 sample)
Degree of esterification
Refractive index Boiling point °C
Density g/mL

P.PAT 0.40–0.46 0.30–0.33 1.484 154–157 0.852
P.OOC 0.41–0.45
0.31–0.35
1.520 153–156
0.861

Rosin

Sample
Acidity index (mg KOH.g−1 sample)
Saponification index (mg KOH.g−1 sample)
Unsaponifiable matter (%)
Color
Melting point °C
Moisture%
P.PAT 155–158 153.7–160 4.8–7.6 M 76.7–78 0.89–1.15
P.OOC 155–158 158–160 5.0–7.7 N 76.5–78 0.75–1.15

P.PAT: Pinus patula; P.OOC: Pinus oocarpa.