C S Johnston

Summary

Affiliation: Arizona State University
Country: USA

Publications

  1. ncbi request reprint Oxidation of ascorbic acid in stored orange juice is associated with reduced plasma vitamin C concentrations and elevated lipid peroxides
    Carol S Johnston
    Department of Nutrition, Arizona State University, 7001 E Williams Field Rd, Mesa, AZ 85212, USA
    J Am Diet Assoc 105:106-9. 2005
  2. ncbi request reprint Strategies for healthy weight loss: from vitamin C to the glycemic response
    Carol S Johnston
    Department of Nutrition, Arizona State University East, 7001 E Williams Field Rd, Mesa, AZ 85212, USA
    J Am Coll Nutr 24:158-65. 2005
  3. ncbi request reprint Vinegar and peanut products as complementary foods to reduce postprandial glycemia
    Carol S Johnston
    Department of Nutrition, Arizona State University, Mesa 85212, USA
    J Am Diet Assoc 105:1939-42. 2005
  4. pmc Vinegar: medicinal uses and antiglycemic effect
    Carol S Johnston
    Department of Nutrition, Arizona State University, Mesa, Arizona, USA
    MedGenMed 8:61. 2006
  5. ncbi request reprint Vitamin C supplementation slightly improves physical activity levels and reduces cold incidence in men with marginal vitamin C status: a randomized controlled trial
    Carol S Johnston
    School of Nutrition and Health Promotion, Arizona State University, 500 N 3rd St, Phoenix, AZ 85004, USA
    Nutrients 6:2572-83. 2014
  6. pmc The effect of peanut and grain bar preloads on postmeal satiety, glycemia, and weight loss in healthy individuals: an acute and a chronic randomized intervention trial
    Carol S Johnston
    School of Nutrition and Health Promotion, Arizona State University, Phoenix, AZ 85004, USA
    Nutr J 12:35. 2013
  7. pmc Restriction of meat, fish, and poultry in omnivores improves mood: a pilot randomized controlled trial
    Bonnie L Beezhold
    Nutrition Department, Benedictine University, 5700 College Road, Lisle, Illinois, USA
    Nutr J 11:9. 2012
  8. pmc Insulin sensitivity is normalized in the third generation (F3) offspring of developmentally programmed insulin resistant (F2) rats fed an energy-restricted diet
    Daniel C Benyshek
    Department of Anthropology, University of Nevada Las Vegas, 4505 Maryland, Parkway, Box 455003, Las Vegas, NV 89154 5003, USA
    Nutr Metab (Lond) 5:26. 2008
  9. pmc Vegetarian diets are associated with healthy mood states: a cross-sectional study in seventh day adventist adults
    Bonnie L Beezhold
    Department of Nutrition, Arizona State University, 6950 E, Williams Field Road, Mesa, Arizona, USA
    Nutr J 9:26. 2010
  10. pmc Uncle Sam's diet sensation: MyPyramid--an overview and commentary
    Carol S Johnston
    Arizona State University, Mesa, Arizona, USA
    MedGenMed 7:78. 2005

Detail Information

Publications35

  1. ncbi request reprint Oxidation of ascorbic acid in stored orange juice is associated with reduced plasma vitamin C concentrations and elevated lipid peroxides
    Carol S Johnston
    Department of Nutrition, Arizona State University, 7001 E Williams Field Rd, Mesa, AZ 85212, USA
    J Am Diet Assoc 105:106-9. 2005
    ..48, P =.017). These data indicate that the loss of ascorbic acid in refrigerated juice may impact postprandial oxidative stress...
  2. ncbi request reprint Strategies for healthy weight loss: from vitamin C to the glycemic response
    Carol S Johnston
    Department of Nutrition, Arizona State University East, 7001 E Williams Field Rd, Mesa, AZ 85212, USA
    J Am Coll Nutr 24:158-65. 2005
    ..Thus, the effectiveness of regular exercise and a prudent diet for weight loss may be enhanced by attention to specific diet details...
  3. ncbi request reprint Vinegar and peanut products as complementary foods to reduce postprandial glycemia
    Carol S Johnston
    Department of Nutrition, Arizona State University, Mesa 85212, USA
    J Am Diet Assoc 105:1939-42. 2005
    ..In conclusion, the addition of vinegar or peanut products to a high-glycemic load meal significantly reduced postprandial glycemia...
  4. pmc Vinegar: medicinal uses and antiglycemic effect
    Carol S Johnston
    Department of Nutrition, Arizona State University, Mesa, Arizona, USA
    MedGenMed 8:61. 2006
    ..All relevant randomized or case-control trials were included in this review...
  5. ncbi request reprint Vitamin C supplementation slightly improves physical activity levels and reduces cold incidence in men with marginal vitamin C status: a randomized controlled trial
    Carol S Johnston
    School of Nutrition and Health Promotion, Arizona State University, 500 N 3rd St, Phoenix, AZ 85004, USA
    Nutrients 6:2572-83. 2014
    ..2 days; 95% CI [-7.0,0.6]; p = 0.06). These data suggest measurable health advantages associated with vitamin C supplementation in a population with adequate-to-low vitamin C status. ..
  6. pmc The effect of peanut and grain bar preloads on postmeal satiety, glycemia, and weight loss in healthy individuals: an acute and a chronic randomized intervention trial
    Carol S Johnston
    School of Nutrition and Health Promotion, Arizona State University, Phoenix, AZ 85004, USA
    Nutr J 12:35. 2013
    ..This study examined the acute effect of peanut versus grain bar preloads on postmeal satiety and glycemia in healthy adults and the long-term effect of these meal preloads on body mass in healthy overweight adults...
  7. pmc Restriction of meat, fish, and poultry in omnivores improves mood: a pilot randomized controlled trial
    Bonnie L Beezhold
    Nutrition Department, Benedictine University, 5700 College Road, Lisle, Illinois, USA
    Nutr J 11:9. 2012
    ..In a recent cross-sectional study, omnivores reported significantly worse mood than vegetarians despite higher intakes of EPA and DHA. This study investigated the impact of restricting meat, fish, and poultry on mood...
  8. pmc Insulin sensitivity is normalized in the third generation (F3) offspring of developmentally programmed insulin resistant (F2) rats fed an energy-restricted diet
    Daniel C Benyshek
    Department of Anthropology, University of Nevada Las Vegas, 4505 Maryland, Parkway, Box 455003, Las Vegas, NV 89154 5003, USA
    Nutr Metab (Lond) 5:26. 2008
    ..The current study investigates the insulin sensitivity of the offspring and grandoffspring of female rats fed low protein diets during pregnancy, and then maintained on energy-restricted diets post weaning over three generations...
  9. pmc Vegetarian diets are associated with healthy mood states: a cross-sectional study in seventh day adventist adults
    Bonnie L Beezhold
    Department of Nutrition, Arizona State University, 6950 E, Williams Field Road, Mesa, Arizona, USA
    Nutr J 9:26. 2010
    ..Omnivorous diets low in EPA and DHA are linked to impaired mood states in observational and experimental studies...
  10. pmc Uncle Sam's diet sensation: MyPyramid--an overview and commentary
    Carol S Johnston
    Arizona State University, Mesa, Arizona, USA
    MedGenMed 7:78. 2005
    ..Because obesity prevention programs structured only to educate and inform have generally been unsuccessful, the federal government must take the next step and revise agriculture policies and programs to promote healthy eating...
  11. ncbi request reprint Ketogenic low-carbohydrate diets have no metabolic advantage over nonketogenic low-carbohydrate diets
    Carol S Johnston
    Department of Nutrition, Arizona State University, Mesa, AZ 85212, USA
    Am J Clin Nutr 83:1055-61. 2006
    ..Low-carbohydrate diets may promote greater weight loss than does the conventional low-fat, high-carbohydrate diet...
  12. ncbi request reprint Plasma vitamin C is inversely related to body mass index and waist circumference but not to plasma adiponectin in nonsmoking adults
    Carol S Johnston
    Department of Nutrition, Arizona State University, Mesa, AZ 85212, USA
    J Nutr 137:1757-62. 2007
    ..05). In summary, plasma vitamin C was inversely related to markers of adiposity, particularly in women, but vitamin C supplementation did not influence the circulating concentration of adiponectin...
  13. doi request reprint A preliminary evaluation of the safety and tolerance of medicinally ingested vinegar in individuals with type 2 diabetes
    Carol S Johnston
    Department of Nutrition, Arizona State University, Mesa, Arizona 85212, USA
    J Med Food 11:179-83. 2008
    ..8% and -8% for VIN, PCK, and REF, respectively; P = .090). These data indicate that chronic VIN ingestion may influence hepatic function and metabolic pathways aside from glucose metabolism...
  14. doi request reprint Preliminary evidence that regular vinegar ingestion favorably influences hemoglobin A1c values in individuals with type 2 diabetes mellitus
    Carol S Johnston
    Department of Nutrition, Arizona State University, 6950 E Williams Field Road, Mesa, AZ 85212, United States
    Diabetes Res Clin Pract 84:e15-7. 2009
    ..Hemoglobin A1c values fell 0.16% with vinegar use but rose 0.06% and 0.22% for pill and pickle use respectively (p=0.018). Hence, regular vinegar use modestly improved glycemic control...
  15. doi request reprint Examination of the antiglycemic properties of vinegar in healthy adults
    Carol S Johnston
    Arizona State University, Mesa, 85212, USA
    Ann Nutr Metab 56:74-9. 2010
    ..This study investigated the vinegar dosage (10 vs. 20 g), timing (during mealtime vs. 5 h before meal) and application (acetic acid as vinegar vs. neutralized salt) for reducing PPG...
  16. ncbi request reprint Infant formula ingestion is associated with the development of diabetes in the BB/Wor rat
    C S Johnston
    Department of Family Resources and Human Development, Arizona State University, Tempe 85287 2502, USA
    Life Sci 66:1501-7. 2000
    ..05). These data indicate that direct, early ingestion of cow's milk-based formula was related to the expression of diabetes in the BB/Wor rat...
  17. ncbi request reprint More Americans are eating "5 a day" but intakes of dark green and cruciferous vegetables remain low
    C S Johnston
    Department of Nutrition, Arizona State University East, Mesa 85212, USA
    J Nutr 130:3063-7. 2000
    ..2 serving daily and citrus, berries or melon consumption amounted to nearly 0.8 serving daily. These data indicate that Americans are consuming more fruits and vegetables but that dark green and cruciferous vegetable intake is low...
  18. ncbi request reprint Plasma-Saturating intakes of vitamin C confer maximal antioxidant protection to plasma
    C S Johnston
    Department of Nutrition, Arizona State University East, Mesa 85212, USA
    J Am Coll Nutr 20:623-7. 2001
    ..This report examined blood indicators of oxidative stress in subjects consuming graded doses of vitamin C, from 75 to 2,000 mg/day...
  19. ncbi request reprint Orange juice ingestion and supplemental vitamin C are equally effective at reducing plasma lipid peroxidation in healthy adult women
    Carol S Johnston
    Department of Nutrition, Arizona State University East, 7001 E Williams Field Road, Mesa, AZ 85212, USA
    J Am Coll Nutr 22:519-23. 2003
    ..oz.) was compared to the antioxidant effect of supplemental vitamin C (dosage equivalent to that supplied by 8 fl. oz. of orange juice)...
  20. ncbi request reprint High-protein, low-fat diets are effective for weight loss and favorably alter biomarkers in healthy adults
    Carol S Johnston
    Department of Nutrition, Arizona State University, Mesa, AZ 85212, USA
    J Nutr 134:586-91. 2004
    ..7 +/- 1.7 g N/d, respectively, P < 0.05). Thus, low-fat, energy-restricted diets of varying protein content (15 or 30% energy) promoted healthful weight loss, but diet satisfaction was greater in those consuming the high-protein diet...
  21. ncbi request reprint Blood ketones are directly related to fatigue and perceived effort during exercise in overweight adults adhering to low-carbohydrate diets for weight loss: a pilot study
    Andrea M White
    Department of Nutrition, Arizona State University, Mesa 85212, USA
    J Am Diet Assoc 107:1792-6. 2007
    ..049) and to "total mood disturbance" (r=0.551, P=0.015) while exercising. These pilot data indicate that ketogenic, low-carbohydrate diets enhance fatigability and can reduce the desire to exercise in free-living individuals...
  22. ncbi request reprint Stability of ascorbic acid in commercially available orange juices
    Carol S Johnston
    Department of Nutrition, Arizona State University East, Mesa 85212, USA
    J Am Diet Assoc 102:525-9. 2002
    ..To compare the vitamin C content of reconstituted frozen orange juice concentrates at preparation to that of ready-to-drink orange juices purchased 4 to 5 weeks from expiration...
  23. ncbi request reprint Vinegar ingestion at bedtime moderates waking glucose concentrations in adults with well-controlled type 2 diabetes
    Andrea M White
    Department of Nutrition, Arizona State University, Mesa, Arizona, USA
    Diabetes Care 30:2814-5. 2007
  24. ncbi request reprint Postprandial thermogenesis is increased 100% on a high-protein, low-fat diet versus a high-carbohydrate, low-fat diet in healthy, young women
    Carol S Johnston
    Departments of Nutrition, Arizona State University East, Mesa 85212, USA
    J Am Coll Nutr 21:55-61. 2002
    ..This study compared the acute, energy-cost of meal-induced thermogenesis on a high-protein, low-fat diet versus a high-carbohydrate, low-fat diet...
  25. ncbi request reprint Modified food guide pyramid for lactovegetarians and vegans
    Colleen A Venti
    Department of Nutrition, Arizona State University East, Mesa, AZ 85212, USA
    J Nutr 132:1050-4. 2002
  26. ncbi request reprint Pinto bean consumption reduces biomarkers for heart disease risk
    Donna M Winham
    Department of Nutrition, Arizona State University Polytechnic, Mesa, Arizona 85212, USA
    J Am Coll Nutr 26:243-9. 2007
    ....
  27. ncbi request reprint Soy isoflavone and ascorbic acid supplementation alone or in combination minimally affect plasma lipid peroxides in healthy postmenopausal women
    Andrea M Hutchins
    Department of Nutrition, Arizona State University, Mesa 85212, USA
    J Am Diet Assoc 105:1134-7. 2005
    ..A slight but significant increase in systolic blood pressure occurred with isoflavone supplementation. A larger study should be conducted to fully explore the potential interactions between these antioxidants...
  28. pmc Vitamin C deficiency and depletion in the United States: the Third National Health and Nutrition Examination Survey, 1988 to 1994
    Jeffrey S Hampl
    Department of Nutrition, Arizona State University, 7001 E Williams Field Road, Mesa, AZ 85212, USA
    Am J Public Health 94:870-5. 2004
    ..We sought to determine prevalence rates of vitamin C deficiency and depletion in the United States...
  29. pmc Effects of an 8-week high-protein or high-carbohydrate diet in adults with hyperinsulinemia
    Rima E Kleiner
    Department of Nutrition, Arizona State University, Mesa, Arizona, USA
    MedGenMed 8:39. 2006
    ..Incidence of insulin resistance (IR) in Americans is steadily rising. IR may be ameliorated with < or = 5% loss in body weight...
  30. ncbi request reprint Creatine supplementation influences substrate utilization at rest
    M Erik Huso
    Department of Nutrition, Arizona State University, Mesa, Arizona 85212, USA
    J Appl Physiol 93:2018-22. 2002
    ..03 +/- 0.01, P = 0.07). Changes in substrate oxidation may influence the inhibition of fat mass loss associated with creatine after weight training...
  31. ncbi request reprint Vinegar improves insulin sensitivity to a high-carbohydrate meal in subjects with insulin resistance or type 2 diabetes
    Carol S Johnston
    Diabetes Care 27:281-2. 2004
  32. ncbi request reprint Maternal weight gain is associated with infant insulin concentrations during the 1st year of life
    Donna M Winham
    Diabetes Care 29:949. 2006
  33. ncbi request reprint Post-natal diet determines insulin resistance in fetally malnourished, low birthweight rats (F1) but diet does not modify the insulin resistance of their offspring (F2)
    Daniel C Benyshek
    Department of Anthropology, University of Nevada Las Vegas, Las Vegas, NV, USA
    Life Sci 74:3033-41. 2004
    ..Thus, post-natal diets alter insulin sensitivity in fetally malnourished, adult rats; and maternal malnutrition during gestation results in insulin resistance in offspring, irrespective of offsprings' birthweight or diet...
  34. ncbi request reprint Vitamins E and C are safe across a broad range of intakes
    John N Hathcock
    Council for Responsible Nutrition, Washington, DC, USA
    Am J Clin Nutr 81:736-45. 2005
    ....