它是半流质的有机化合物，由树脂在挥发性油中溶解而成，松脂可以被提炼成松脂挥发油和非挥发性松脂。
Semifluid mixtures of organic compounds consisting of resins dissolved in a volatile oil, turpentines can be distilled into the volatile oil of turpentine and the nonvolatile rosin.
结果表明：刺山柑花蕾中含有挥发油、氨基酸、蛋白质、糖及其苷类、酚性成分和鞣质、生物碱、有机酸、皂苷、甾体类等物质。
It showed that the flower buds contain essential oils, amino acid, protein, carbohydrates and their glycosides, phenols, tannins, alkaloids, organic acids, saponins and steroids.
榅桲是传统的中药之一，富含具有药用价值的化学成分，如鞣质类、有机酸、氨基酸、挥发油和黄酮等。
Quince is one of the traditional Chinese medicine plants. It contains a large amount of valuable medicinal components such as tannins, organic acids, amino acids, naphtha, and flavonoids.
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