สืบค้นงานวิจัย
Apolar Radical Initiated Conjugated Autoxidizable Triene (ApoCAT) Assay: Effects of Oxidant Locations on Antioxidant Capacities and Interactions
Panya A. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Apolar Radical Initiated Conjugated Autoxidizable Triene (ApoCAT) Assay: Effects of Oxidant Locations on Antioxidant Capacities and Interactions
ผู้แต่ง / หัวหน้าโครงการ (EN): Panya A.
บทคัดย่อ (EN): Development of an antioxidant assay explaining antioxidant behaviors in complex food systems has been a challenging topic for food scientists. This research aimed to investigate antioxidant capacities and interactions of selected synthetic antioxidants and commercial natural antioxidant extracts using the CAT assay and a newly developed ApoCAT assay, which used water- and lipid-soluble azo radical initiators, respectively. Results suggested that the higher the hydrophobicity of an antioxidant, the higher the antioxidant capacity of an antioxidant observed in the ApoCAT assay. The relationship between the two different assays was explained by the ratio between the ApoCAT and the CAT values. Interestingly, all lipophilic derivatives of the antioxidants exhibited higher ApoCAT/CAT ratios than their hydrophilic derivatives. In the case of the commercial food-grade antioxidants, green tea extract and mixed tocopherols showed a higher antioxidant capacity in the ApoCAT assay than in the CAT assay, while grape seed and rosemary extracts did not show significantly different changes in behaviors in both assays. The study on antioxidant interactions revealed that additive, synergistic, and antagonistic effects between hydrophilic antioxidants and natural extracts, and mixed tocopherols could be observed in both the CAT and the ApoCAT assays, depending on the combined ratios. In most cases, at a particular ratio, the synergistic effect reached the maximum level before suddenly dropping to additive and antagonistic effects in both assays. © 2015 American Chemical Society.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-84940876787&doi=10.1021%2facs.jafc.5b02493&partnerID=40&md5=dd27d6584b242e3893359bb9f0ec83ef
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Vitis
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Panya A.. "Apolar Radical Initiated Conjugated Autoxidizable Triene (ApoCAT) Assay: Effects of Oxidant Locations on Antioxidant Capacities and Interactions". ไม่ระบุหน่วยงาน. ม.ป.ป.

Panya A.. "Apolar Radical Initiated Conjugated Autoxidizable Triene (ApoCAT) Assay: Effects of Oxidant Locations on Antioxidant Capacities and Interactions". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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Apolar Radical Initiated Conjugated Autoxidizable Triene (ApoCAT) Assay: Effects of Oxidant Locations on Antioxidant Capacities and Interactions
Panya A.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
Conjugated Autoxidizable Triene-Based (CAT and ApoCAT) Assays: Their Practical Application for Screening of Crude Plant Extracts with Antioxidant Functions in Relevant to Oil-in-Water Emulsions Antioxidant and anti-inflammatory activity of aqueous fraction from Albizia lebbeck leaves Antioxidant and anti-inflammatory activities of durian and rambutan pulp extract Antioxidant activity and upregulation of antioxidant enzymes of phenolic glycosides from Aquilaria crassna leaves In vivo and in vitro evidence for the antihyperuricemic, anti-inflammatory and antioxidant effects of a Traditional Ayurvedic Medicine, Triphala Effects of conventional and ultrasound treatments on physicochemical properties and antioxidant capacity of floral honeys from Northern Thailand Effects of polymers as a main component of coating formulations on quality and effects of stability of cucumber seeds An antioxidant activity of the whole body of Holothuria scabra Ion Larmor radius effects near a reconnection X line at the magnetopause: THEMIS observations and simulation comparison Antioxidant and Anti-Inflammatory Effects of Defatted Rice Bran (Oryza Sativa L.) Protein Hydrolysates on Raw 264.7 Macrophage Cells
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