Effect of ascorbic acid on the monosodium glutamate-induced neurobehavioral changes in periadolescent rats

Sareesh Naduvil Narayanan, Raju Suresh Kumar, Jaijesh Paval, Satheesha Nayak

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Abstract

Aim: In the current study we evaluated adverse effects of monosodium glutamate (MSG) on memory formation and its retrieval as well as the role of ascorbic acid (Vitamin-C) in prevention of MSG-induced alteration of neurobehavioral performance in periadolescent rats. Materials and methods: Healthy male albino Wistar rats (4-6 weeks old), were randomly allotted in four groups. Group I: normal control, who remained in their homecage throughout the experimental period. Group II: vehicle control, who were orally administered with normal saline for three weeks. Group III: MSG, who were orally administered with aqueous solution of MSG (2 mg/g b.w/day), for three weeks. Group IV: MSG+AA, who were administered with aqueous solution of MSG, and subsequently by ascorbic acid (100 mg/kg b.w/day) orally for three weeks. After the experimental period, all animals from all groups were first tested for anxiety followed by passive avoidance behavior. Results: MSG significantly altered the neurobehavioral performance in rats. The alteration manifested as less time spent on the open arm during the EPM test and shorter entrance latency to the dark compartment during the passive avoidance task. All behavioral changes were significantly prevented by simultaneous administration of ascorbic acid with MSG. Conclusion: The present data point to the neuroprotective role of ascorbic acid. The ascorbic acid can be used as a therapeutic agent in various cognitive deficits.

Original languageEnglish
Pages (from-to)170-175
Number of pages6
JournalBratislava Medical Journal
Volume111
Issue number5
Publication statusPublished - 07-09-2010

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Sodium Glutamate
Ascorbic Acid
Avoidance Learning
Wistar Rats
Anxiety

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

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abstract = "Aim: In the current study we evaluated adverse effects of monosodium glutamate (MSG) on memory formation and its retrieval as well as the role of ascorbic acid (Vitamin-C) in prevention of MSG-induced alteration of neurobehavioral performance in periadolescent rats. Materials and methods: Healthy male albino Wistar rats (4-6 weeks old), were randomly allotted in four groups. Group I: normal control, who remained in their homecage throughout the experimental period. Group II: vehicle control, who were orally administered with normal saline for three weeks. Group III: MSG, who were orally administered with aqueous solution of MSG (2 mg/g b.w/day), for three weeks. Group IV: MSG+AA, who were administered with aqueous solution of MSG, and subsequently by ascorbic acid (100 mg/kg b.w/day) orally for three weeks. After the experimental period, all animals from all groups were first tested for anxiety followed by passive avoidance behavior. Results: MSG significantly altered the neurobehavioral performance in rats. The alteration manifested as less time spent on the open arm during the EPM test and shorter entrance latency to the dark compartment during the passive avoidance task. All behavioral changes were significantly prevented by simultaneous administration of ascorbic acid with MSG. Conclusion: The present data point to the neuroprotective role of ascorbic acid. The ascorbic acid can be used as a therapeutic agent in various cognitive deficits.",
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Effect of ascorbic acid on the monosodium glutamate-induced neurobehavioral changes in periadolescent rats. / Narayanan, Sareesh Naduvil; Kumar, Raju Suresh; Paval, Jaijesh; Nayak, Satheesha.

In: Bratislava Medical Journal, Vol. 111, No. 5, 07.09.2010, p. 170-175.

Research output: Contribution to journalArticle

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