Table 1 Composition of the mixture of coniferous resin acids
Major resin acids | w% |
|---|---|
Abietic acid | 47.30% |
Dihydroabietic acid group | 1.80% |
Dehydroabietic acid | 22.60% |
Neoabietic acid | 0.90% |
Dehydrodehydroabietic acid | 0.80% |
Nordehydroabietc acid | – |
7,9 (11)-abietic acid | 5.30% |
13-B-7,9 (11)-abietic acid | 4.50% |
8,12-abietic acid | 1.90% |
Secodehydroabietic 1 | – |
8,15-pimaric acid | 1.40% |
Pimaric acid | 0.50% |
Isopimaric acid | 3.40% |
Sandaracopimaric acid | 1.40% |
Levopimaric acid | – |
8,15-isopimaradien-18-oic acid | – |
8,15-Pimaradien-18-oic acid | n.a. |
Palustric acid | 6.80% |
Abietatetranoic acid | n.a. |