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Pecan research library

Discover the APPB research library, a comprehensive collection of scientific resources for pecan industry professionals, researchers, and health practitioners. From advanced agricultural management studies to cutting-edge nutritional research on pecans’ health benefits, this library provides digestible summaries and links to complete published studies to support evidence-based practices.

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Consuming pecans as a snack improves lipids/lipoproteins and diet quality compared with usual diet in adults at increased risk of cardiometabolic diseases: a randomized controlled trial

T. L. Hart, P. M. Kris-Etherton, K. S. Petersen (2025). Consuming pecans as a snack improves lipids/lipoproteins and diet quality compared with usual diet in adults at increased risk of cardiometabolic diseases: a randomized controlled trial. American Journal of Clinial Nutrition, Vol 121, #4, p.769-778)
https://doi.org/10.1016/j.ajcnut.2025.01.024

The research compared the effects of pecan snacking versus typical diet snacking on cardiometabolic risk factors among adults living with or at risk for metabolic syndrome. The study found that replac...
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Pecan-enriched diets increase energy expenditure and fat oxidation in adults at-risk for cardiovascular disease in a randomised, controlled trial.

Guarneiri, L. L., Paton, C. M., & Cooper, J. A. (2022). Pecan-enriched diets increase energy expenditure
and fat oxidation in adults at-risk for cardiovascular disease in a randomised, controlled trial. 
J Hum Nutr Diet, 35(5), 774-785. 
https://doi.org/10.1111/jhn.12966

In this study, researchers wanted to see how eating pecans every day for 8 weeks would affect how our bodies burn energy. They divided participants into three groups: one group ate pecans as part of t...
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Angiopoietin-Like Protein Responses to Pecan-Enriched Diets Versus a Nut-Excluded Diet.

Guarneiri, L. L., Paton, C. M., & Cooper, J. A. (2022). Angiopoietin-Like Protein Responses to
Pecan-Enriched Diets Versus a Nut-Excluded Diet. J Med Food, 25(11), 1066-1072. 
DOI: 10.1089/jmf.2022.0034

In this study, researchers investigated the effect of daily pecan consumption for 8 weeks on fasting and post-meal levels of angiopoietin-like proteins (ANGPTLs), specifically ANGPTL3, -8, and -4. Par...
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Pecan-enriched diets decrease postprandial lipid peroxidation and increase total antioxidant capacity in adults at-risk for cardiovascular disease.

Guarneiri, L. L., Paton, C. M., & Cooper, J. A. (2021). Pecan-enriched diets decrease postprandial lipid
peroxidation and increase total antioxidant capacity in adults at-risk for cardiovascular disease.
Nutr Res, 93, 69-78. 
https://doi.org/10.1016/j.nutres.2021.07.004 

This study aimed to explore the effects of daily pecan consumption on fasting and post-meal levels of oxidative stress and antioxidants in adults at higher risk for cardiovascular disease (CVD). Parti...
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Pecan-enriched diet improves cholesterol profiles and enhances postprandial microvascular reactivity in older adults.

Betsy Cogan, Regis C. Pearson, Chad M. Paton, Nathan T. Jenkins, Jamie A. Cooper,
 (2023). 
Pecan-enriched diet improves cholesterol profiles and enhances postprandial microvascular reactivity in older adults,
Nutrition Research,
 Volume 111,
 pages 44-58.
https://doi.org/10.1016/j.nutres.2023.01.001.

This study looked at how eating pecans every day for four weeks affects the health of older adults, especially their heart and blood vessels. They compared a group of people who ate pecans with a grou...
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Enzyme inhibitory activities of phenolic compounds in pecan and the effect on starch digestion

Jiannan Feng, Fanbin Kong, (2022). 
Enzyme inhibitory activities of phenolic compounds in pecan and the effect on starch digestion,
International Journal of Biological Macromolecules, Vol 220, Pages 117-123.
https://doi.org/10.1016/j.ijbiomac.2022.08.045.

This study explores how the compounds found in pecans, especially the phenolic compounds, might help in managing type 2 diabetes. They extracted these compounds from pecan powder and found that they c...
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Effect of pecan nuts and extra-virgin olive oil on glycemic profile and nontraditional anthropometric indexes in patients with coronary artery disease: a randomized clinical trial.

dos Santos, J.L., Portal, V.L., Markoski, M.M. et al. (2022). Effect of pecan nuts and extra-virgin olive oil on glycemic profile and nontraditional anthropometric indexes in patients with coronary artery disease: a randomized clinical trial. Eur J Clin Nutr 76, 827–834. https://doi.org/10.1038/s41430-021-01045-7

This study looked at how adding pecan nuts or extra-virgin olive oil to the diets of people with stable coronary artery disease (CAD) might affect their blood sugar levels and body fat distribution. T...
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Acute consumption of pecans decreases angiopoietin-like protein-3 in healthy males: a secondary analysis of randomized controlled trials.

Guarneiri, L. L., Spaulding, M. O., Marquardt, A. R., Cooper, J. A., & Paton, C. M. (2021). Acute
consumption of pecans decreases angiopoietin-like protein-3 in healthy males: a secondary
analysis of randomized controlled trials. Nutr Res, 92, 62-71. doi:doi.org/10.1016
j.nutres.2021.06.001

This study looked at how eating pecans affects certain proteins in the blood that are involved in regulating fat metabolism. They found that men who ate meals containing pecans had lower levels of one...
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Effects of a healthy diet enriched or not with pecan nuts or extra-virgin olive oil on the lipid profile of patients with stable coronary artery disease: a randomised clinical trial.

Campos, V. P., Portal, V. L., Markoski, M. M., Quadros, A. S., Bersch-Ferreira Â, C., Garavaglia,
J., & Marcadenti, A. (2020). Effects of a healthy diet enriched or not with pecan nuts or
extra-virgin olive oil on the lipid profile of patients with stable coronary artery disease: a
randomised clinical trial. J Hum Nutr Diet, 33(3), 439-450. doi:doi.org/10.1111/jhn.12727

This study looked at how adding pecan nuts or extra-virgin olive oil to a healthy diet affects the cholesterol levels of people with stable coronary artery disease (CAD). They divided participants int...
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Cellular evaluation of the antioxidant activity of US Pecans Carya illinoinensis (Wangenh.) K. Koch

Kellett, M. E., Greenspan, P., Gong, Y., & Pegg, R. B. (2019). Cellular evaluation of the
antioxidant activity of US Pecans Carya illinoinensis (Wangenh.) K. Koch. Food Chemistry, 293,
511-519. doi:doi.org/10.1016/j.foodchem.2019.04.103

This human health study investigates the antioxidant activity of U.S. pecans using a modified cellular antioxidant activity (CAA) assay. The study aims to understand how pecans, known for their antiox...
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Quality evaluation of low fat bologna-type meat product with a nutritional profile designed for the elderly.

Elizabeth Reyes-Padilla, Martín Valenzuela-Melendres, Juan Pedro Camou, Joseph G. Sebranek, Heliodoro Alemán-Mateo, José Luis Dávila-Ramírez, German Cumplido-Barbeitia, Humberto González-Ríos, (2018).
Quality evaluation of low fat bologna-type meat product with a nutritional profile designed for the elderly, Meat Science, Volume 135, Pages 115-122.
https://doi.org/10.1016/j.meatsci.2017.09.007.

The study aimed to assess the quality of a bologna-type meat product tailored for elderly people. Various formulations were tested, including some with added cranberries, prunes, pecan nuts, or flaxse...
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The effect of tree nut, peanut, and soy nut consumption on blood pressure: a systematic review and meta-analysis of randomized controlled clinical trials.

Noushin Mohammadifard, Amin Salehi-Abargouei, Jordi Salas-Salvadó, Marta Guasch-Ferré, Karin Humphries, Nizal Sarrafzadegan, (2015).
The effect of tree nut, peanut, and soy nut consumption on blood pressure: a systematic review and meta-analysis of randomized controlled clinical trials,
The American Journal of Clinical Nutrition, Volume 101, Issue 5, Pages 966-982,
https://doi.org/10.3945/ajcn.114.091595.

This study looked at how eating nuts affects blood pressure. Researchers analyzed data from 21 different studies that included various types of nuts like walnuts, almonds, pistachios, and others. They...
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Effects of tree nuts on blood lipids, apolipoproteins, and blood pressure: systematic review, meta-analysis, and dose-response of 61 controlled intervention trials.

Liana C Del Gobbo, Michael C Falk, Robin Feldman, Kara Lewis, Dariush Mozaffarian (2015). Effects of tree nuts on blood lipids, apolipoproteins, and blood pressure: systematic review, meta-analysis, and dose-response of 61 controlled intervention trials,. The American Journal of Clinical Nutrition,
 Volume 102, Issue 6, Pages 1347-1356. 
https://doi.org/10.3945/ajcn.115.110965.

This study looked at how different types of tree nuts affect heart health in adults without heart disease. Researchers analyzed data from 61 trials involving over 2500 participants. They found that ea...
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Update on the healthful lipid constituents of commercially important tree nuts

Robbins, K. S., Shin, E. C., Shewfelt, R. L., Eitenmiller, R. R., & Pegg, R. B. (2011). J. Agric. Food Chem., 59, 22, 12083–12092
https://doi.org/10.1021/jf203187v

This study investigated the fat content and other beneficial components of 10 different types of tree nuts, including almonds, pecans, and pistachios. They found that most of the fat in these nuts is ...
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Pecans Lower Low Density Lipoprotein Cholesterol in People with Normal Lipid Levels

Wanda A Morgan, PhD, RD
Beverly J Clayshulte, MS (2000). Journal of the Academy of Nutrition and Dietetics, Volume 100, Issue 3, pages 312-318
DOI:https://doi.org/10.1016/S0002-8223(00)00097-3

This study compared cholesterol levels and diets of people with normal cholesterol levels who either ate pecans or avoided nuts. Those who ate pecans daily for 8 weeks saw reductions in LDL cholestero...
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