Dietary UKMR-1 roselle supplementation prevents nicotine-induced cardiac injury by inhibiting myocardial oxidative stress

Anand Ramalingam, Siti Balkis Budin, Yi Cheng Lim, Yiang Nee Lislivia Si, Satirah Zainalabidin

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

UKMR-1, a local variant of mutant Roselle strain (Hibiscus sabdariffa) is enriched with free radical scavenging polyphenols such as anthocyanin, Vitamin C and hydroxycitric acid. However, pharmacological actions of UKMR-1 are not fully known. This study was conducted to determine whether supplementation of aqueous UKMR-1 calyx extract was able to protect against nicotine-induced cardiac injury in rats. In this experimental study, healthy male albino rats were randomly allotted into three groups (n=7 per group): control, nicotine and UKMR-1+Nicotine groups. Nicotine (0.6 mg/kg, i.p.) was administered to both nicotine and UKMR-1+Nicotine groups for 28 consecutive days. UKMR-1+Nicotine group also received 100 mg/kg UKMR-1 extract orally via gavage 30 min prior to nicotine injection, daily. UKMR-1+Nicotine group had significantly (p<0.05) higher lactate dehydrogenase (LDH) activity, as well as lower malondialdehyde content in heart tissue homogenate than nicotine group, suggesting its cardio protective activity by inhibition of lipid peroxidation. UKMR-1 also lowered (p<0.05) the blood pressure in nicotine-administered rats. In addition, UKMR-1 significantly (p<0.05) restored activities of cytosolic superoxide dismutase, glutathione peroxidase and glutathione-S-transferase as well as redox balance ratio (GSH:GSSG). In conclusion, UKMR-1 was able to protect against myocardial injury in rat model of nicotine administration possibly by inhibiting oxidative stress.

Original languageEnglish
Pages (from-to)1131-1137
Number of pages7
JournalSains Malaysiana
Volume45
Issue number7
Publication statusPublished - 1 Jul 2016

Fingerprint

Hibiscus
Nicotine
Oxidative Stress
Wounds and Injuries
Glutathione Disulfide
Anthocyanins
Polyphenols
Glutathione Peroxidase
Glutathione Transferase
Malondialdehyde
L-Lactate Dehydrogenase
Lipid Peroxidation
Ascorbic Acid
Superoxide Dismutase
Oxidation-Reduction
Free Radicals

Keywords

  • Antihypertensive
  • Antioxidant
  • Cardioprotective
  • Hibiscus sabdariffa
  • Nicotine

ASJC Scopus subject areas

  • General

Cite this

Dietary UKMR-1 roselle supplementation prevents nicotine-induced cardiac injury by inhibiting myocardial oxidative stress. / Ramalingam, Anand; Budin, Siti Balkis; Lim, Yi Cheng; Si, Yiang Nee Lislivia; Zainalabidin, Satirah.

In: Sains Malaysiana, Vol. 45, No. 7, 01.07.2016, p. 1131-1137.

Research output: Contribution to journalArticle

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