1H NMR metabolic phenotyping of Dipterocarpus alatus as a novel tool for age and growth determination

Jutarop Phetcharaburanin, Suthicha Deewai, Thanaporn Kulthawatsiri, Komkid Moolpia, Manida Suksawat, Bundit Promraksa, Poramate Klanrit, Nisana Namwat, Watcharin Loilome, Kitisak Poopasit, Somporn Katekaew and Penprapa Phetcharaburanin

PLOS ONE, 2020, vol. 15, issue 12, 1-12

Abstract: Dipterocarpus alatus belongs to Family Dipterocarpaceae that can be commonly found in Southeast Asian countries. It is a perennial plant with oval-shaped leaves and oleoresin-rich wood. It has been considered as a multipurpose plant since all parts can be practically utilized. One of the major problems for utilizing Dipterocarpus alatus is the difficulty knowing the exact age as this kind of plant is ready for multipurpose use after 20 years of age. At present, the most commonly used method for determining age of Dipterocarpus alatus is the annual ring estimation. However, this conventional method is unable to provide the high precision and accuracy of age determination due to its limitation including blurry annual rings caused by enriched oleoresin in the wood. The current study aimed to investigate the differences of 1H -NMR spectroscopy-based metabolic profiles from bark and leaf of Dipterocarpus alatus at different ages including 2, 7, 15 and 25 years. Our findings demonstrated that there is a total of 56 metabolites shared between bark and leaf. It is noticeable that bark at different ages exhibited the strongest variation and sugar or sugar derivatives that were found in higher concentrations in bark compared with those in leaf. We found that decreasing levels of certain metabolites including tagatose, 1’kestose and 2’-fucosyllactose exhibited the promising patterns. In conclusion, panel metabolites involved in the sucrose biosynthesis can precisely determine the age and growth of Dipterocarpus alatus.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0243432

DOI: 10.1371/journal.pone.0243432

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