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Effect of Frost on the Different Metabolites of Two Mulberry (Morus nigra L. and Morus alba L.) Leaves
Mulberry leaves are a well-known traditional Chinese medicine herb, and it has been observed since ancient times that leaves collected after frost have superior medicinal properties. Therefore, understanding the changes in critical metabolic components of mulberry leaves, specifically Morus nigra L....
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10305211/ https://www.ncbi.nlm.nih.gov/pubmed/37375273 http://dx.doi.org/10.3390/molecules28124718 |
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author | Yang, Lu Zhao, Jiuyang Fan, Shaoli Liao, Jinfa Chen, Yicun Wang, Yangdong |
author_facet | Yang, Lu Zhao, Jiuyang Fan, Shaoli Liao, Jinfa Chen, Yicun Wang, Yangdong |
author_sort | Yang, Lu |
collection | PubMed |
description | Mulberry leaves are a well-known traditional Chinese medicine herb, and it has been observed since ancient times that leaves collected after frost have superior medicinal properties. Therefore, understanding the changes in critical metabolic components of mulberry leaves, specifically Morus nigra L., is essential. In this study, we conducted widely targeted metabolic profiling analyses on two types of mulberry leaves, including Morus nigra L. and Morus alba L., harvested at different times. In total, we detected over 100 compounds. After frost, 51 and 58 significantly different metabolites were identified in the leaves of Morus nigra L. and Morus alba L., respectively. Further analysis revealed a significant difference in the effect of defrosting on the accumulation of metabolites in the two mulberries. Specifically, in Morus nigra L., the content of 1-deoxynojirimycin (1-DNJ) in leaves decreased after frost, while flavonoids peaked after the second frost. In Morus alba L., the content of DNJ increased after frost, reaching its peak one day after the second frost, whereas flavonoids primarily peaked one week before frost. In addition, an analysis of the influence of picking time on metabolite accumulation in two types of mulberry leaves demonstrated that leaves collected in the morning contained higher levels of DNJ alkaloids and flavonoids. These findings provide scientific guidance for determining the optimal harvesting time for mulberry leaves. |
format | Online Article Text |
id | pubmed-10305211 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-103052112023-06-29 Effect of Frost on the Different Metabolites of Two Mulberry (Morus nigra L. and Morus alba L.) Leaves Yang, Lu Zhao, Jiuyang Fan, Shaoli Liao, Jinfa Chen, Yicun Wang, Yangdong Molecules Article Mulberry leaves are a well-known traditional Chinese medicine herb, and it has been observed since ancient times that leaves collected after frost have superior medicinal properties. Therefore, understanding the changes in critical metabolic components of mulberry leaves, specifically Morus nigra L., is essential. In this study, we conducted widely targeted metabolic profiling analyses on two types of mulberry leaves, including Morus nigra L. and Morus alba L., harvested at different times. In total, we detected over 100 compounds. After frost, 51 and 58 significantly different metabolites were identified in the leaves of Morus nigra L. and Morus alba L., respectively. Further analysis revealed a significant difference in the effect of defrosting on the accumulation of metabolites in the two mulberries. Specifically, in Morus nigra L., the content of 1-deoxynojirimycin (1-DNJ) in leaves decreased after frost, while flavonoids peaked after the second frost. In Morus alba L., the content of DNJ increased after frost, reaching its peak one day after the second frost, whereas flavonoids primarily peaked one week before frost. In addition, an analysis of the influence of picking time on metabolite accumulation in two types of mulberry leaves demonstrated that leaves collected in the morning contained higher levels of DNJ alkaloids and flavonoids. These findings provide scientific guidance for determining the optimal harvesting time for mulberry leaves. MDPI 2023-06-12 /pmc/articles/PMC10305211/ /pubmed/37375273 http://dx.doi.org/10.3390/molecules28124718 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Yang, Lu Zhao, Jiuyang Fan, Shaoli Liao, Jinfa Chen, Yicun Wang, Yangdong Effect of Frost on the Different Metabolites of Two Mulberry (Morus nigra L. and Morus alba L.) Leaves |
title | Effect of Frost on the Different Metabolites of Two Mulberry (Morus nigra L. and Morus alba L.) Leaves |
title_full | Effect of Frost on the Different Metabolites of Two Mulberry (Morus nigra L. and Morus alba L.) Leaves |
title_fullStr | Effect of Frost on the Different Metabolites of Two Mulberry (Morus nigra L. and Morus alba L.) Leaves |
title_full_unstemmed | Effect of Frost on the Different Metabolites of Two Mulberry (Morus nigra L. and Morus alba L.) Leaves |
title_short | Effect of Frost on the Different Metabolites of Two Mulberry (Morus nigra L. and Morus alba L.) Leaves |
title_sort | effect of frost on the different metabolites of two mulberry (morus nigra l. and morus alba l.) leaves |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10305211/ https://www.ncbi.nlm.nih.gov/pubmed/37375273 http://dx.doi.org/10.3390/molecules28124718 |
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