Effects of a natural antioxidant, polyphenol-rich rosemary (Rosmarinus officinalis L.) extract, on lipid stability of plant-derived omega-3 fatty-acid rich oil

doi:10.1016/j.lwt.2017.10.055

Chia Nan University of Pharmacy & Science Institutional Repository > 智慧生活學院 > 生活保健科技系 > 期刊論文 > Item 310902800/32200

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標題:	Effects of a natural antioxidant, polyphenol-rich rosemary (Rosmarinus officinalis L.) extract, on lipid stability of plant-derived omega-3 fatty-acid rich oil
作者:	Wang, Yu-Zhu Fu, Shih-Guei Wang, Sheng-Yao Yang, Deng-Jye Wu, Yi-Hsieng Samuel Chen, Yi-Chen
貢獻者:	Natl Taiwan Univ, Dept Anim Sci & Technol Chia Nan Univ Pharm & Sci, Dept Appl Life Sci & Hlth China Med Univ, Dept Nutr
關鍵字:	Flaxseed oil Lipid oxidation Optimal extraction condition Rosemary extract Schaal oven test
日期:	2018-03
上傳時間:	2019-11-15 15:44:55 (UTC+8)
出版者:	ELSEVIER SCIENCE BV
摘要:	Omega-3 fatty acids are often attempted to incorporate into foods due to their beneficial effects on health. However, their susceptibility to autoxidation limits their utilization. After analyses, rosemary extracts (REs) contained abundant antioxidant phenolics, flavonoids, and condensed tannin. Therefore, the aims of this study were to (1) determine the optimal extraction condition of a natural antioxidant from rosemary leaves; (2) investigate an lipid stability of plant-derived omega-3 fatty-acid rich oil (flaxseed oil) with an RE addition. Rosemary extracts obtained by using 80% ethanol solution extraction for 30 min had higher (p < 0.05) phenolic recoveries and better (p < 0.05) in vitro antioxidant abilities. Furthermore, REs can retard (p < 0.05) lipid oxidation of flaxseed oil under a Schaal oven test condition (60 degrees C) compared to alpha-tocopherol (alpha-TOCO) and butylated hydroxytoluene (BHT). In conclusion, REs have a positive efficacy to stabilize flaxseed oil against oxidation, posing as a potential application of omega-3 fatty acids in foods.
link:	http://dx.doi.org/10.1016/j.lwt.2017.10.055
關聯:	Journal of Nutritional Biochemistry, v.89, pp.210-216
显示于类别:	[生活保健科技系] 期刊論文

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