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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.11
- 수록면
- 569 - 579 (11page)
- DOI
- 10.7856/kjcls.2023.34.4.569
이용수
초록· 키워드
오류제보하기
This study examined the physicochemical characteristics and antioxidant activities of Alnus japonica (AJ) leaves. The carbohydrate content of an 80% ethanol AJ extract sample accounted for the highest proportion, followed by crude protein, moisture, crude ash, and crude fat. Sixteen amino acids were detected in the 80% ethanol AJ extract. The major organic acids were citric acid, malic acid, succinic acid, acetic acid, and formic acid. The highest level of saturated fatty acids was palmitic acid, followed by tricosanoic acid, heneicosanoic acid, stearic acid, and lignoceric acid. Monosaturated fatty acids (cis-10-heptadecenoic acid, elaidic acid, and oleic acid) and polyunsaturated fatty acids (linolenic acid) were detected in the 80% ethanol AJ extract. Oleic acid comprised the highest monounsaturated fatty acid content, and 8.89% linolenic acid was detected in the polyunsaturated fatty acid. The order of mineral content was Ca>K>Mg. The total polyphenol and flavonoid contents of the 80% ethanol AJ extract were significantly higher than those of the distilled water extract. The ABTS- and DPPH-radical scavenging activities were higher in the 80% ethanol AJ extract, while ferric acid-reducing antioxidant power was higher in the distilled water extract. These results suggest that AJ leaves contain valuable phytochemicals, have high antioxidant activities, and may be developed as healthy, functional foods.
목차
ABSTRACT
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과 및 고찰
Ⅳ. 요약 및 결론
References
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