1. Comparison of the physico-chemical and phytochemical characteristics of the oil of two Plukenetia species.
- Author
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Chirinos, Rosana, Pedreschi, Romina, Domínguez, Gilberto, and Campos, David
- Subjects
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PHYTOCHEMICALS , *VEGETABLE oils , *EUPHORBIACEAE , *UNSATURATED fatty acids , *PHYTOSTEROLS , *LINOLENIC acids , *PHYSICAL & theoretical chemistry - Abstract
A physico-chemical and phytochemical characterisation of the oil of two rich sources of polyunsaturated fatty acids, tocopherols and phytosterols is presented for two close species of Plukenetia , endemic to the Amazon Region of Peru. Plukenetia huayllabambana presented approximately 9% more oil yield than Plukenetia volubilis . Fatty acid profiles were pretty similar for both species but P. huayllabambana presented a significantly higher content of α-linolenic acid than P. volubilis (51.3 and 45.6 g/100 g oil, respectively). Important contents of γ- and δ-tocopherol were evidenced in both oils (127.6 and 84.0 and, 93.3 and 47.5 mg/100 g oil, for P. volubilis and P. huayllabambana , respectively). β -Sitosterol was the most important and representative phytosterol in both oils (∼127 mg/100 g oil). The results of this study indicate P. huayllabambana as an important dietary source of health promoting phytochemicals. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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