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4 Results Found

  • Article
  • Open Access
9 Citations
2,906 Views
17 Pages

Synthesis and Bioactivity of Ancorinoside B, a Marine Diglycosyl Tetramic Acid

  • Kevin J. Soliga,
  • Sofia I. Bär,
  • Natalie Oberhuber,
  • Haoxuan Zeng,
  • Hedda Schrey and
  • Rainer Schobert

19 October 2021

The sponge metabolite ancorinoside B was prepared for the first time in 16 steps and 4% yield. It features a β-d-galactopyranosyl-(1→4)-β-d-glucuronic acid tethered to a d-aspartic acid-derived tetramic acid. Key steps were the synthesis of a fully p...

  • Article
  • Open Access
6 Citations
2,865 Views
13 Pages

Glycosylation Contributes to Thermostability and Proteolytic Resistance of rFIP-nha (Nectria haematococca)

  • Yusi Liu,
  • Tamara Hoppenbrouwers,
  • Yulu Wang,
  • Yingying Xie,
  • Xue Wei,
  • Haowen Zhang,
  • Guoming Du,
  • Khandader Md Sharif Uddin Imam,
  • Harry Wichers and
  • Zhen Li
  • + 1 author

31 August 2023

Glycosylation is an important post-translational modification of proteins, contributing to protein function, stability and subcellular localization. Fungal immunomodulatory proteins (FIPs) are a group of small proteins with notable immunomodulatory a...

  • Article
  • Open Access
43 Citations
8,504 Views
19 Pages

Polyphenolic Characterization and Antioxidant Activity of Malus domestica and Prunus domestica Cultivars from Costa Rica

  • Mirtha Navarro,
  • Ileana Moreira,
  • Elizabeth Arnaez,
  • Silvia Quesada,
  • Gabriela Azofeifa,
  • Felipe Vargas,
  • Diego Alvarado and
  • Pei Chen

30 January 2018

The phenolic composition of skin and flesh from Malus domestica apples (Anna cultivar) and Prunus domestica plums (satsuma cultivar) commercial cultivars in Costa Rica, was studied using Ultra Performance Liquid Chromatography coupled with High Resol...

  • Article
  • Open Access
18 Citations
3,779 Views
25 Pages

HRMS Characterization, Antioxidant and Cytotoxic Activities of Polyphenols in Malus domestica Cultivars from Costa Rica

  • Mirtha Navarro-Hoyos,
  • Elizabeth Arnáez-Serrano,
  • Silvia Quesada-Mora,
  • Gabriela Azofeifa-Cordero,
  • Krissia Wilhelm-Romero,
  • Maria Isabel Quirós-Fallas,
  • Diego Alvarado-Corella,
  • Felipe Vargas-Huertas and
  • Andrés Sánchez-Kopper

4 December 2021

There is increasing interest in research into fruits as sources of secondary metabolites because of their potential bioactivities. In this study, the phenolic profiles of Malus domestica Anna and Jonagold cultivars from Costa Rica were determined by...