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Chemical Composition and Physical Properties of High Oleic Safflower Oils (Carthamus tinctorius, Var. CW88-OL and CW99-OL)

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Journal of the American Oil Chemists' Society

Abstract

Chemical composition and physical properties of CW88-OL and CW99-OL cultivars of high oleic safflower seeds and their hexane-extracted oils were determined. Dry-based seed composition of CW88-OL and CW99-OL was: moisture = 4.29 and 4.23 %, oil = 42.29 and 46.44 %, Crude protein = 20.94 and 16.41 %, neutral detergent fiber = 28.11 and 28.49 %, ash = 1.55 and 2.01 %, phosphorus content = 2033 and 3995 mg/kg, respectively. Major fatty acids in oils were ~78 % oleic (O), ~13 % linoleic (L), ~5 % palmitic (P) and ~2 % stearic (St) acids, for both cultivars. The main triacylglycerols were OOO (~50 %), OOL (~20 %), SOL + OPO (~10 %), and LLP (~5 %). The oil composition of CW88-OL and CW99-OL in main minor components was: α-tocopherol = 582 and 551 mg/kg, total sterols = 3996 and 3362 mg/kg, phospholipids = 22 and 21 mg/kg and wax content = 70 and 74 mg/kg. For both cultivars, density and viscosity of the oils between 25 and 55 °C varied from 903.4 to 912.6 kg/m3 and 63 to 23 mPa.s showing linear and exponential behaviors, respectively. The refractive index was 1.4694. The CIELab color parameters were: 89.69 and 89.53 (L*), −3.72 and −3.07 (a*), and 47.28 and 47.78 (b*) (CW88-OL and CW99-OL, respectively). Thus, the high oil content of the seeds and nutritional quality of the oil accompanied by low levels of waxes and phospholipids makes the cultivars studied promising for producers and consumers.

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Acknowledgments

This work was funded by CONICET (Consejo Nacional de Investigaciones Científicas y Técnicas), ANPCyT (Agencia Nacional de Promoción Científica y Tecnológica) and Universidad Nacional del Sur, Argentina. The authors wish to acknowledge Clarisa Cicchelli, Pedro Forbito and Federico Delucchi for their kind assistance during the analytical work.

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Authors and Affiliations

  1. PLAPIQUI (UNS-CONICET), Camino La Carrindanga km 7, 8000, Bahía Blanca, Argentina

    Florencia Salaberría, Diana Constenla, Amalia A. Carelli & María E. Carrín

  2. Departamento de Ingeniería Química, Universidad Nacional del Sur, Av. Alem 1253, 8000, Bahía Blanca, Argentina

    Florencia Salaberría, Diana Constenla, Amalia A. Carelli & María E. Carrín

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  1. Florencia Salaberría
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  2. Diana Constenla
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  3. Amalia A. Carelli
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  4. María E. Carrín
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Correspondence to María E. Carrín.

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The authors have declared no conflict of interest.

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Salaberría, F., Constenla, D., Carelli, A.A. et al. Chemical Composition and Physical Properties of High Oleic Safflower Oils (Carthamus tinctorius, Var. CW88-OL and CW99-OL). J Am Oil Chem Soc 93, 1383–1391 (2016). https://doi.org/10.1007/s11746-016-2886-6

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  • DOI: https://doi.org/10.1007/s11746-016-2886-6

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