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KMID : 0665220200330020331
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Korean Journal of Food and Nutrition
2020 Volume.33 No. 2 p.331 ~ p.338
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Physicochemical Properties and Antioxidant Activity of Ground Pork with Noni (Morinda citrifolia) Powder
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Lee Si-Hyung
Choi Young-Joon
Choi Gang-Won
Lee Kyung-Soo
Jung In-Chul
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Abstract
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The purpose of this study was to examine the effect of noni (Morinda citrifolia) powder on the physicochemical properties and antioxidant activities of ground pork meat. Four samples of ground pork meat were prepared as follow: CON without noni powder, NP0.5 with 0.5% noni powder, NP1.0 with 1.0% noni powder, and NP1.5 with 1.5% noni powder. The moisture content of CON was the highest (p<0.05). The ash, fiber, fat retention, hardness, cohesiveness, gumminess, chewiness, lightness, and yellowness increased with the addition of the noni powder (p<0.05). The protein, fat, water holding capacity, cooking yield, moisture retention, springiness,and redness of the cooked meat were not significantly different among the samples. The pH of CON was the highest among the samples (p<0.05). The TBARS of CON, NP0.5, NP1.0, and NP1.5 were 0.48, 0.41, 0.36 and 0.34 mg/kg, respectively, and the NP1.5 was the lowest (p<0.05). The DPPH radical scavenging activity of CON, NP0.5, NP1.0, and NP1.5 were 10.4%, 20.8%, 34.6% and 45.3%, respectively, and the NP1.5 was the highest (p<0.05). Consequently, these results support the possible use of noni powder for meat product industry, as addition of noni powder enhances the antioxidant activities of ground pork meat. Key words: ground pork meat, noni powder, physicochemical properties, antioxidant activities
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KEYWORD
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ground pork meat, noni powder, physicochemical properties, antioxidant activities
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