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改进的 UPLC-UV 方法,用于在莱图斯品种(Lactuca sativa L.)和作物野生亲亲(Lactuca spp.) 中对维生素 C 进行定量化
JoVE Journal
Biochimica
This content is Free Access.
JoVE Journal Biochimica
Improved UPLC-UV Method for the Quantification of Vitamin C in Lettuce Varieties (Lactuca sativa L.) and Crop Wild Relatives (Lactuca spp.)
DOI:

10:22 min

June 30, 2020

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Capitoli

  • 00:04Introduction
  • 01:03Plant Material Preparation
  • 01:57Ascorbic Acid (AA) Standard Preparation
  • 02:34AA and Dehydroascorbic Acid (DHAA) Extraction
  • 03:40DHAA Reduction for Total AA (TAA) Extraction
  • 04:31Ultra-High-Performance Liquid Chromatography-Ultraviolet Preparation
  • 06:46AA Determination
  • 07:21AA and DHAA Quantification
  • 08:18Results: Representative Vitamin C Quantification in Lactuca Species
  • 09:44Conclusion

Summary

Traduzione automatica

我们提出了一种快速可靠的方法来量化维生素C在 Lactuca spp.使用 UPLC-UV,有可能转移到其他植物。关键步骤是样品制备和维生素C提取在稳定条件下,减少脱氢抗坏血酸抗坏血酸和优化色谱过程。

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