Agronomic Performance, Oil Yield and Hydrolate Quality of Patchouli Cultivated in Different Soil Covers

This study describes the evaluation of the effectiveness of different soil covers on the development, productivity, yield and metabolic content of patchouli oil (Pogostemon cablin) and its hydrolate. The agronomic experiments were carried out in the field, including four types of soil cover and six...

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Bibliographic Details
Published in:	Journal of Oleo Science Vol. 73; no. 10; pp. 1339 - 1347
Main Authors:	Vital, Roberto Gomes, Melo, Patrícia Guimarães Santos, Silva, Juliana Nascimento, Rodovalho, Marcos Lopes, Lima, Nerilson Marques, Santos, Gabriel Franco dos, Vaz, Boniek Gontijo, Lima, Gesiane da Silva, Nascimento, Abadia dos Reis
Format:	Journal Article
Language:	English
Published:	Japan Japan Oil Chemists' Society 2024 Japan Science and Technology Agency
Subjects:	Agriculture - methods Agronomy Essential oils hydrolate quality Lamiaceae - chemistry Lamiaceae - growth & development Mass Spectrometry Metabolism oil quality Oils, Volatile - analysis Oils, Volatile - chemistry patchouli oil Performance evaluation Plant Leaves - chemistry Plant Leaves - growth & development Plant Oils - analysis Plant Oils - chemistry Pogostemon cablin pogostone Quality control Soil - chemistry Steam distillation Straw hydrolate quality patchouli oil Pogostemon cablin Mass Spectrometry pogostone oil quality
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Summary:	This study describes the evaluation of the effectiveness of different soil covers on the development, productivity, yield and metabolic content of patchouli oil (Pogostemon cablin) and its hydrolate. The agronomic experiments were carried out in the field, including four types of soil cover and six replications (4 x 6), using green cover (peanut), straw (crotalaria and millet straw), white plastic cover, and no mulch (weeding). After transplanting, the initial growth of seedlings was analyzed through weekly monitoring of plant height, stem diameter, and the number of leaves. At harvest time, the harvest yield (green mass) was performed. After drying the leaves, the oil and hydrolate were extracted by steam distillation and then the yield of patchouli oil was determined. Regarding the agronomic analyses, white plastic and straw coverage was superior to the other treatments, with higher plant heights, number of leaves, whereas the plastic and straw coverage was superior to the other treatments, with higher plant heights, number of leaves and green mass yield. The metabolic content was evaluated using High Resolution Mass Spectrometry (HRMS), and the chemical markers were identified through the analysis of the MS/MS fragmentation spectra and chemotaxonomic data. No significant differences were observed in the essential oils yields and their hydrolates and the intensities of the major ions found in the samples identified as chemical markers for the quality control of P. cablin.
ISSN:	1345-8957 1347-3352
DOI:	10.5650/jos.ess24051