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KMID : 0665220040170030237
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Korean Journal of Food and Nutrition
2004 Volume.17 No. 3 p.237 ~ p.245
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Physicochemical and Physiological Activities of Garlic from Different Area
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Shin Jung-Hye
Ju Jong-Chan
Gweon Oh-Cheon
Yang Seung-Mi
Lee Soo-Jung
Sung Nak-Ju
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Abstract
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The physicochemical and physiological activities of domestic garlic from 3 different areas (Namhae, Jeju and Uiseong) were analyzed. The contents of moisture, ash, crude protein and crude fiber in garlic were little different in 3 kinds of area. Total sugar and water soluble phenolic compounds were higher in garlic from Namhae. The free sugars found in garlic were fructose, sucrose and lactose. Five kinds of organic acids were determined. Malonic acid and citric acid contents in garlic from Namhae were 23.7{pm}1.16 mg% and 22.1{pm}0.82 mg%, respectively. Total mineral content of garlic samples were in a range of 7112.6～9067.3 mg%, the potassium content showed the highest concentration (4117.3{pm}7.19～5175.3{pm}9.61 mg%). The electron donating abilities in 0.2% of garlic from Namhae and Uiseong showed 46.2{pm}1.25% and 37.0{pm}1.l6%, respectively. The nitrite scavenging effect was measured at different conditions (pH 1.2 and 4.2). The nitrite scavenging effects were higher at pH 1.2, and reached more than 95% by adding 0.2% and 0.1 % of garlic juice at pH 1.2. Addition 0.02～0.001 % garlic juice in showed the SOD-like activities. Its activity of garlic from Namhae. was a range of 6.0{pm}0.37～14.4～0.69%. It was found that 0.2% and 0.1% garlic showed strong antimicrobial action against growth of all the tested bacteria. Antimicrobial action. was showed 74.7{pm}0.70% and 51.7{pm}1.l1% on Sal. typhimurium in 0.2% of garlic from Namhae and Uiseong and 28.6{pm}0.90% on B. subtilis in garlic from Jeju.
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KEYWORD
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garlic, physicochemical components, nitrite scavenging, SOD-like activity, antibacterial action.
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