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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국식품영양과학회 Preventive Nutrition and Food Science Preventive Nutrition and Food Science Vol.22 No.2
- 발행연도
- 2017.6
- 수록면
- 107 - 117 (11page)
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초록· 키워드
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The purpose of this study was to evaluate the antioxidant and anticholinesterase activities of yellow and white bitter yams from South Western Nigeria using methanolic extraction and simulated gastrointestinal digestion models. The phenolic compounds in the bitter yam varieties were evaluated by high performance liquid chromatography with a diode array detector (HPLC-DAD). The total phenolic content of the bitter yams was measured by the Folin-Ciocalteu method, reductive potential by assessing the ability of the bitter yam to reduce FeCl₃ solution, and the antioxidant activities were determined by the 2,2-diphenyl-1-picrylhydrazyl radical (DPPH·) scavenging activity, 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radical cation (ABTS<SUP>·+</SUP>) scavenging activity, nitric oxide radical (NO<SUP>·</SUP>) scavenging ability, hydroxyl radical scavenging ability, and ability to inhibit Fe<SUP>2+</SUP>-induced lipid oxidation. The HPLC-DAD analysis revealed the presence of some phenolic compounds in the studied bitter yam varieties, with varying degree of quantitative changes after cooking. The antioxidant indices (total phenolic content, total flavonoid content, reducing power, DPPH<SUP>·</SUP> scavenging activity, ABTS<SUP>·+</SUP> scavenging activity, and NO<SUP>·</SUP> scavenging activity) were higher in the simulated gastrointestinal digestion model compared to the methanolic extract, with the in vitro digested cooked white bitter yam ranking higher. Similarly, the in vitro digested yams had a higher inhibitory action against lipid oxidation compared to the methanolic extracts, with the cooked white bitter yam ranking high. The methanolic extracts and in vitro enzyme digests showed no acetylcholinesterase inhibitory abilities, while methanolic extracts and the in vitro enzyme digest displayed some level of butyrylcholinesterase inhibitory activities. Therefore the studied bitter yams could be considered as possible health supplements.
목차
ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (66)
참고문헌 신청
[학술지(정기간행물)] - Lobo V / 2010 / Free radicals, antioxidants and functional foods : Impact on human health / Pharmacogn Rev 4 : 118 ~ 126
[학술지(정기간행물)] - Zhang YJ / 2015 / Antioxidant phytochemicals for the prevention and treatment of chronic diseases / Molecules 20 : 21138 ~ 21156
[학술지(정기간행물)] - Pandey KB / 2009 / Plant polyphenols as dietary antioxidants in human health and disease / Oxid Med Cell Longev 2 : 270 ~ 278
[학술지(정기간행물)] - Saha S / 2016 / Antioxidant activity of polyphenolic extract of Terminalia chebula Retzius fruits / J Taibah Univ Sci 10 : 805 ~ 812
[학술지(정기간행물)] - Chiu CS / 2013 / Antioxidant and anti-inflammatory properties of taiwanese yam(Dioscorea japonica Thunb. var. pseudojaponica(Hayata)Yamam. )and its reference compounds / Food Chem 141 : 1087 ~ 1096
[학술지(정기간행물)] - Zhang YJ / 2015 / Antioxidant phytochemicals for the prevention and treatment of chronic diseases / Molecules 20 : 21138 ~ 21156
[학술지(정기간행물)] - Pandey KB / 2009 / Plant polyphenols as dietary antioxidants in human health and disease / Oxid Med Cell Longev 2 : 270 ~ 278
[학술지(정기간행물)] - Saha S / 2016 / Antioxidant activity of polyphenolic extract of Terminalia chebula Retzius fruits / J Taibah Univ Sci 10 : 805 ~ 812
[학술지(정기간행물)] - Chiu CS / 2013 / Antioxidant and anti-inflammatory properties of taiwanese yam(Dioscorea japonica Thunb. var. pseudojaponica(Hayata)Yamam. )and its reference compounds / Food Chem 141 : 1087 ~ 1096
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