User profiles for Liwei Gu
Liwei GuUniversity of Florida Verified email at ufl.edu Cited by 14959 |
Assays for Hydrophilic and Lipophilic Antioxidant Capacity (oxygen radical absorbance capacity (ORACFL)) of Plasma and Other Biological and Food Samples
Methods are described for the extraction and analysis of hydrophilic and lipophilic antioxidants,
using modifications of the oxygen radical absorbing capacity (ORAC FL ) procedure. …
using modifications of the oxygen radical absorbing capacity (ORAC FL ) procedure. …
[HTML][HTML] Concentrations of proanthocyanidins in common foods and estimations of normal consumption
…, J Holden, D Haytowitz, S Gebhardt, L Gu… - The Journal of …, 2004 - Elsevier
Proanthocyanidins (PAs) have been shown to have potential health benefits. However, no
data exist concerning their dietary intake. Therefore, PAs in common and infant foods from the …
data exist concerning their dietary intake. Therefore, PAs in common and infant foods from the …
Characterization of Anthocyanins and Proanthocyanidins in Some Cultivars of Ribes, Aronia, and Sambucus and Their Antioxidant Capacity
Anthocyanins and proanthocyanidins were characterized by HPLC-ESI-MS/MS coupled with
a diode array and/or fluorescent detector in seven cultivars of Ribes nigrum (black currant) …
a diode array and/or fluorescent detector in seven cultivars of Ribes nigrum (black currant) …
Screening of foods containing proanthocyanidins and their structural characterization using LC-MS/MS and thiolytic degradation
L Gu, MA Kelm, JF Hammerstone… - Journal of Agricultural …, 2003 - ACS Publications
A normal-phase HPLC-MS/MS method was applied to screen for proanthocyanidins in 88
different kinds of foods. Thirty-nine foods were found to contain proanthocyanidins. These …
different kinds of foods. Thirty-nine foods were found to contain proanthocyanidins. These …
Fractionation of polymeric procyanidins from lowbush blueberry and quantification of procyanidins in selected foods with an optimized normal-phase HPLC− MS …
L Gu, M Kelm, JF Hammerstone… - Journal of agricultural …, 2002 - ACS Publications
The polymeric procyanidins were fractionated from lowbush blueberry on a Sephadex LH-20
column. The degree of polymerization (DP) for the polymers was determined by thiolysis to …
column. The degree of polymerization (DP) for the polymers was determined by thiolysis to …
Occurrence and biological significance of proanthocyanidins in the American diet
RL Prior, L Gu - Phytochemistry, 2005 - Elsevier
Dietary intake of proanthocyanidins (PAs) has been largely unknown because of the lack of
reliable values for their content in foods. Recent development of an analytical method for …
reliable values for their content in foods. Recent development of an analytical method for …
Absorption and metabolism of proanthocyanidins
K Ou, L Gu - Journal of Functional Foods, 2014 - Elsevier
Proanthocyanidins are found in fruits, tree nuts, cereals, legumes, wine, and chocolate. They
affect nutritional value, appearance, taste, and texture of these foods and promote better …
affect nutritional value, appearance, taste, and texture of these foods and promote better …
Development of a database for total antioxidant capacity in foods: a preliminary study
For the first time, a database of the antioxidant capacities of both the lipophilic and hydrophilic
components of foods has been developed using the modified oxygen radical absorbance …
components of foods has been developed using the modified oxygen radical absorbance …
Antioxidant capacities, procyanidins and pigments in avocados of different strains and cultivars
W Wang, TR Bostic, L Gu - Food chemistry, 2010 - Elsevier
Avocado (Persea americana) is an important tropical fruit, but little is known about their
antioxidant capacities and phytochemical composition. The objective of this research was to …
antioxidant capacities and phytochemical composition. The objective of this research was to …
Procyanidin and catechin contents and antioxidant capacity of cocoa and chocolate products
Cocoa and chocolate products from major brands were analyzed blind for total antioxidant
capacity (AOC) (lipophilic and hydrophilic ORAC FL ), catechins, and procyanidins (monomer …
capacity (AOC) (lipophilic and hydrophilic ORAC FL ), catechins, and procyanidins (monomer …