This study was conducted to investigate the proximate composition, free sugars, amino acids, and minerals in five Lentinula edodes cultivars collected in Korea. No significant differences in the content of crude fat and crude fiber were found between the samples; however, there was significant variation in the contents of nitrogen free extract, ash, and crude protein. Three kinds of free sugars (fucose, arabinose, and glucose) were identified by HPLC, with the glucose content ranging from 5.94% to 12.08%. Sixteen kinds of free amino acids were identified: the highest content of amino acids was found in ‘Sanlim5ho’ (13,768.33 mg%), while the highest content of free amino acids was found in ‘Sanlim4ho’ (6,790.57 mg%). The minerals detected in the L. edodes cultivars were potassium, calcium, magnesium, and sodium, the contents of which ranged from 567.16–2,356.09 mg%, 3.85–7.42 mg%, 9.79–20.88 mg%, and 19.60–22.62 mg%, respectively.
Radish (Raphanus sativus L.) is a species of the Brassicaceae family and an important root vegetable crop, produced worldwide. A total of 82 radish accessions with various morphological and physiological characteristics analyzed for total sugars content. These accessions includes five subspecies and classified as wild, wild-relative, traditional and improved cultivar. The four sugars, glucose, fructose, sucrose and maltose, showed various contents in 82 accessions. Total sugar content ranged from 5.64 to 46.68 ㎎/g and showed average 25.33 ㎎/g. Total sugar content was not statistically significant among the five subspecies, but individual sugar ratio varied. The wild, wild-relatives and traditional cultivars were not significantly among average total sugars content compared with improved cultivars. On the other hand, the wild and traditional cultivars were showed high ratio of individual sugars. These results could be valuable information for the development of new radish cultivars and regulation of sugars biosynthesis in radish.
본 연구에서는 새로 육성된 연황색 구피색을 가진 양파계통들(‘Y-3’, ‘Y-8’)에 대해 양파의 식미와 관련된 화학성분을 석하여 기존 재배품종들과 차이점을 구명하고 관련 특성들 간의 상관관계를 분석함으로써 양파 육종 소재를 개발하는데 기초자료를 얻고자 하였다. 연황색 계통들은 다른 품종들에 비해 가용성 고형물 함량(SSC)과 유리당인 frucose, glucose, sucrose 함량이 높았으며 특히 SSC 함량에서 큰 차이를 보였다. 성분들 간의 상관분석결과 SSC는 양파의 단맛에 영향을 미치는 당 성분과 가장 높은 상관관계를 보였으며 수확기의 지표가 되는 도복기도 SSC, fructose, glucose, sucrose 농도와 정의 상관을 보였다. 새로 육성된 연황색 계통들은 육종재료의 변이를 확대와 교배모본으로 활용 함으로서 새로운 형질을 가진 품종육성에 기여할 것으로 기대되며 식미와 관련된 성분들의 상관관계를 구명 함으로서 육종소재 선발에 효과적으로 이용할 수 있을 것으로 여겨진다.