The effect of a single bout of exercise on vitamin B2 status is not different between high-and low-fit females
High-fitness individuals have been suggested to be at risk of a poor vitamin B2 (riboflavin) status due to a potentially higher vitamin B2 demand, as measured by the erythrocyte glutathione reductase (EGR) activation coefficient (EGRAC). Longer-term exercise interventions have been shown to result in a lower vitamin B2 status, but studies are contradictory. Short-term exercise effects potentially contribute to discrepancies between studies but have only been tested in limited study populations. This study investigated if vitamin B2 status, measured by EGRAC, is affected by a single exercise bout in females who differ in fitness levels, and that represents long-term physical activity. At baseline and overnight after a 60-min cycling bout at 70% ˙VO2 peak, EGR activity and EGRAC were measured in 31 young female adults, divided into a high-fit (VO2 peak ≥ 47 mL/kg/min, N = 15) and low-fit (VO2 peak ≤ 37 mL/kg/min, N = 16) group. A single exercise bout significantly increased EGR activity in high-fit and low-fit females (Ptime = 0.006). This response was not affected by fitness level (Ptime*group = 0.256). The effect of exercise on EGRAC was not significant (Ptime = 0.079) and not influenced by EGR activity. The exercise response of EGRAC was not significantly different between high-fit and low-fit females (Ptime*group = 0.141). Thus, a single exercise bout increased EGR activity, but did not affect EGRAC, indicating that vitamin B2 status was not affected. The exercise response on EGRAC and EGR did not differ between high-fit and low-fit females.
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| Language: | English |
| Subjects: | EGRAC, Erythrocyte glutathione reductase, Exercise, High-and low-fit females, Vitamin B2 status, |
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dig-wur-nl-wurpubs-5899052024-12-04 Janssen, Joëlle J.E. Lagerwaard, Bart Timmers, Silvie de Boer, Vincent C.J. Keijer, Jaap Article/Letter to editor Nutrients 13 (2021) 11 ISSN: 2072-6643 The effect of a single bout of exercise on vitamin B2 status is not different between high-and low-fit females 2021 High-fitness individuals have been suggested to be at risk of a poor vitamin B2 (riboflavin) status due to a potentially higher vitamin B2 demand, as measured by the erythrocyte glutathione reductase (EGR) activation coefficient (EGRAC). Longer-term exercise interventions have been shown to result in a lower vitamin B2 status, but studies are contradictory. Short-term exercise effects potentially contribute to discrepancies between studies but have only been tested in limited study populations. This study investigated if vitamin B2 status, measured by EGRAC, is affected by a single exercise bout in females who differ in fitness levels, and that represents long-term physical activity. At baseline and overnight after a 60-min cycling bout at 70% ˙VO2 peak, EGR activity and EGRAC were measured in 31 young female adults, divided into a high-fit (VO2 peak ≥ 47 mL/kg/min, N = 15) and low-fit (VO2 peak ≤ 37 mL/kg/min, N = 16) group. A single exercise bout significantly increased EGR activity in high-fit and low-fit females (Ptime = 0.006). This response was not affected by fitness level (Ptime*group = 0.256). The effect of exercise on EGRAC was not significant (Ptime = 0.079) and not influenced by EGR activity. The exercise response of EGRAC was not significantly different between high-fit and low-fit females (Ptime*group = 0.141). Thus, a single exercise bout increased EGR activity, but did not affect EGRAC, indicating that vitamin B2 status was not affected. The exercise response on EGRAC and EGR did not differ between high-fit and low-fit females. en application/pdf https://research.wur.nl/en/publications/the-effect-of-a-single-bout-of-exercise-on-vitamin-b2-status-is-n 10.3390/nu13114097 https://edepot.wur.nl/558110 EGRAC Erythrocyte glutathione reductase Exercise High-and low-fit females Vitamin B2 status https://creativecommons.org/licenses/by/4.0/ https://creativecommons.org/licenses/by/4.0/ Wageningen University & Research |
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EGRAC Erythrocyte glutathione reductase Exercise High-and low-fit females Vitamin B2 status EGRAC Erythrocyte glutathione reductase Exercise High-and low-fit females Vitamin B2 status |
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EGRAC Erythrocyte glutathione reductase Exercise High-and low-fit females Vitamin B2 status EGRAC Erythrocyte glutathione reductase Exercise High-and low-fit females Vitamin B2 status Janssen, Joëlle J.E. Lagerwaard, Bart Timmers, Silvie de Boer, Vincent C.J. Keijer, Jaap The effect of a single bout of exercise on vitamin B2 status is not different between high-and low-fit females |
| description |
High-fitness individuals have been suggested to be at risk of a poor vitamin B2 (riboflavin) status due to a potentially higher vitamin B2 demand, as measured by the erythrocyte glutathione reductase (EGR) activation coefficient (EGRAC). Longer-term exercise interventions have been shown to result in a lower vitamin B2 status, but studies are contradictory. Short-term exercise effects potentially contribute to discrepancies between studies but have only been tested in limited study populations. This study investigated if vitamin B2 status, measured by EGRAC, is affected by a single exercise bout in females who differ in fitness levels, and that represents long-term physical activity. At baseline and overnight after a 60-min cycling bout at 70% ˙VO2 peak, EGR activity and EGRAC were measured in 31 young female adults, divided into a high-fit (VO2 peak ≥ 47 mL/kg/min, N = 15) and low-fit (VO2 peak ≤ 37 mL/kg/min, N = 16) group. A single exercise bout significantly increased EGR activity in high-fit and low-fit females (Ptime = 0.006). This response was not affected by fitness level (Ptime*group = 0.256). The effect of exercise on EGRAC was not significant (Ptime = 0.079) and not influenced by EGR activity. The exercise response of EGRAC was not significantly different between high-fit and low-fit females (Ptime*group = 0.141). Thus, a single exercise bout increased EGR activity, but did not affect EGRAC, indicating that vitamin B2 status was not affected. The exercise response on EGRAC and EGR did not differ between high-fit and low-fit females. |
| format |
Article/Letter to editor |
| topic_facet |
EGRAC Erythrocyte glutathione reductase Exercise High-and low-fit females Vitamin B2 status |
| author |
Janssen, Joëlle J.E. Lagerwaard, Bart Timmers, Silvie de Boer, Vincent C.J. Keijer, Jaap |
| author_facet |
Janssen, Joëlle J.E. Lagerwaard, Bart Timmers, Silvie de Boer, Vincent C.J. Keijer, Jaap |
| author_sort |
Janssen, Joëlle J.E. |
| title |
The effect of a single bout of exercise on vitamin B2 status is not different between high-and low-fit females |
| title_short |
The effect of a single bout of exercise on vitamin B2 status is not different between high-and low-fit females |
| title_full |
The effect of a single bout of exercise on vitamin B2 status is not different between high-and low-fit females |
| title_fullStr |
The effect of a single bout of exercise on vitamin B2 status is not different between high-and low-fit females |
| title_full_unstemmed |
The effect of a single bout of exercise on vitamin B2 status is not different between high-and low-fit females |
| title_sort |
effect of a single bout of exercise on vitamin b2 status is not different between high-and low-fit females |
| url |
https://research.wur.nl/en/publications/the-effect-of-a-single-bout-of-exercise-on-vitamin-b2-status-is-n |
| work_keys_str_mv |
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