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논문 기본 정보

자료유형
학술저널
저자정보
배진경 (조선대학교) 이수진 (조선대학교) 이주민 (조선대학교)
저널정보
한국지역사회생활과학회 한국지역사회생활과학회지 한국지역사회생활과학회지 제32권 제2호
발행연도
2021.5
수록면
231 - 242 (12page)
DOI
10.7856/kjcls.2021.32.2.231

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This study evaluated and compared the nutritional components and antioxidant activities of Abelmoschus esculentus (L.) Moench (AM) extracts processed using hot air and freeze-drying methods. The results showed that hot air and freeze-dried AM extracts were mainly composed of carbohydrates and crude protein. Both hot air and freeze-dried AM had a high content of saturated fatty acids (palmitic acid). Also, both these extracts had a high content of unsaturated fatty acids (oleic acid and linoleic acid). The ratio of essential amino acids (EAA)/amino acids (AA) was higher in the hot air dried AM extract compared to the freeze-dried AM extract. Both the drying methods resulted in high content of potassium (K), followed by calcium (Ca) and magnesium (Mg) in decreasing order. Freeze-dried AM extract showed higher total polyphenol content compared to hot air dried AM extract. Total flavonoid content was significantly higher in hot-air dried AM extract compared to freeze-dried AM extract. The IC50 value for 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity with hot-air dried and freeze-dried AM extract was found to be 0.78 and 0.69 mg/mL, respectively. The IC50 value for 2,2‘-azinobis-(3-ethylbenzothiazoline-6-sulfonate) (ABTS) and the reducing power of freeze-dried AM extract were lower than that of hot-air dried AM extract. Ferric reducing antioxidant power (FRAP) was significantly higher in the freeze-dried AM extract than in the hot air dried AM extract. According to our results, it appears that AM extracts possess higher nutritional and antioxidant activities.

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ABSTRACT
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과 및 고찰
Ⅳ. 요약 및 결론
References

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