Metabolic alterations of lutein, β-carotene and chlorophyll a during germination of two soybean sprout varieties
- Authors
- Lee, Jinwook; Hwang, Young-Sun; Lee, Jeong-Dong; Chang, Woo-Suk; Choung, Myoung-Gun
- Issue Date
- Dec-2013
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Soybean sprout; Lutein; beta-Carotene; Chlorophyll a; Germination; Partial least squares (PLS) regression analysis
- Citation
- FOOD CHEMISTRY, v.141, no.3, pp 3177 - 3182
- Pages
- 6
- Journal Title
- FOOD CHEMISTRY
- Volume
- 141
- Number
- 3
- Start Page
- 3177
- End Page
- 3182
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/68061
- DOI
- 10.1016/j.foodchem.2013.06.006
- ISSN
- 0308-8146
1873-7072
- Abstract
- The metabolic changes of lutein, beta-carotene and chlorophyll a during germination of the soybean (Glycine max (L.) Merr.) sprout varieties, 'Pungsannamulkong' and 'Bosug', have been studied. Seeds were germinated at 20 degrees C with 80% humidity in the darkness and sampled at 2 day intervals for 10 days. Partial least squares (PIS) scores plot showed that the responses of three metabolites during germination were linearly linked with each other except for day 2 in both varieties. PLS loading plots indicated that lutein content in whole sprout and cotyledon was closely associated with germination in 'Pungsannamulkong' while the chlorophyll a content in whole sprouts was highly linked with germination in 'Bosug'. Heatmap analyses revealed that lutein and beta-carotene levels, but not those of chlorophyll a, accumulated in whole soybean sprouts and cotyledon. While hypocotyls did not accumulate lipophilic pigments during germination, the accumulation of lutein and beta-carotene in the cotyledons was greater in 'Pungsannamulkong' than in 'Bosug' sprouts. In addition, the contents of lutein, beta-carotene and chlorophyll a increased from those in the seeds. Overall, the metabolic changes of lutein, beta-carotene and chlorophyll a during germination are affected not only by variety but also by organ type. (C) 2013 Elsevier Ltd. All rights reserved.
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