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Antioxidant Effect of Monascus koji in Sausage Mixture
Rhyu, Mee-Ra The Korean Society of Food Science and Nutrition 2002 Preventive Nutrition and Food Science Vol.7 No.3
The antioxidative capacity of Monascus koji was studied in raw bologna-type sausage by measuring thiobarbituric acid reactive substances (TBARS) and peroxide values (POV) during storage at $25^{\circ}C$ for 7 days. The addition of 2% Monascus koji effectively inhibited lipid oxidation in the mixture without vitamin C and NaNO$_2$, evidenced by its prevention of an increase in TBARS and a significantly reduction in increases in POV. Monascus koji in raw minced processed meat significantly improved the shelf life of the food.
Antioxidant Effect of Monascus koji in Sausage Mixture
Mee-Ra Rhyu 한국식품영양과학회 2002 Preventive Nutrition and Food Science Vol.7 No.3
The antioxidative capacity of Monascus koji was studied in raw bologna-type sausage by measuring thiobarbituric acid reactive substances (TBARS) and peroxide values (POV) during storage at 25℃ for 7 days. The addition of 2% Monascus koji effectively inhibited lipid oxidation in the mixture without vitamin C and NaNO₂, evidenced by its prevention of an increase in TBARS and a significantly reduction in increases in POV. Monascus koji in raw minced processed meat significantly improved the shelf life of the food.
Rhyu, Mee-Ra,Kim, Jung-Hyun,Kim, Eun-Young Lippincott Williams Wilkins, Inc. 2005 Journal of cardiovascular pharmacology Vol.46 No.1
This study examined the vascular relaxation produced by Radix Angelica (AG; Dong Quai) and its possible mechanisms in isolated rat aortic rings precontracted with norepinephrine. The butanolic fraction (AgBt) of the crude extract of AG causes gradual endothelium-independent relaxation, which was unaffected by five different potassium channel inhibitors. AgBt attenuated the CaCl2-induced vasoconstriction in high-potassium depolarized medium; this required less than one-tenth the concentration needed to elicit vascular relaxation. An aqueous fraction (AgDw) of the crude extract induced transient acute relaxation, which was virtually abolished by endothelial ablation and pretreatment with L-NNA. L-Arginine fully reversed the action of L-NNA. Methylene blue and atropine significantly attenuated the relaxation, but indomethacin did not. Ferulic acid, the main active component in AG, relaxed both endothelium-intact and -denuded rings, while L-NNA, methylene blue, or atropine did not modify the relaxation. Ferulic acid also did not attenuate the CaCl2-induced contraction in high-potassium depolarized medium. In conclusion, Radix Angelica leads to both endothelium-dependent and -independent relaxation of isolated rat aorta. Increased formation of NO might contribute to the endothelium-mediated relaxation, while inhibition of the calcium influx might be an important mechanism in direct smooth muscle relaxation. A substance other than ferulic acid might create these effects.