Influence of soil nutrients on biomass production and drying methods on citral-rich oil yield from lemongrass (Cymbopogon flexuous (nees ex steud.) W.Watson) cultivated in Telangana

IF 2 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology Pub Date : 2025-06-05 DOI:10.1016/j.bse.2025.105057

Sahith Chepyala , Mohan Krishna Durgam , Venugopal Reddy Aenugu , Jagadeesh Bathula , Sreedhar Bodiga

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Abstract

Lemongrass (Cymbopogon flexuosus) holds significant potential as a source of income for rural communities and farmers in Telangana, India, through its cultivation and essential oil extraction. However, there is a lack of region-specific data regarding its biomass and oil productivity. To address this gap, an experimental plantation was established in 2023 at the Forest College and Research Institute, Mulugu, Siddipet district, Telangana. The study aimed to identify the soil parameters influencing biomass yield, essential oil content, and citral concentration. The results showed that the annual biomass yield was approximately 6140 kg per hectare across three harvests, which is comparable to yields in other regions. Among the drying methods, shade drying for 36 h resulted in the highest oil yield (0.77–0.85 %), followed by oven drying at 45 °C for 7 h (0.71–0.78 %) and sun drying for 48 h (0.65–0.73 %). The citral concentration in the extracted oil ranged between 65 % and 84 %, depending on the harvest and drying technique. Statistical analysis revealed a positive correlation between soil nitrogen and phosphorus levels and biomass productivity, indicating that nutrient-rich soils enhance lemongrass growth. These findings highlight the importance of considering soil fertility in the development of effective cultivation strategies for lemongrass in this region.

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土壤养分对生物量产量的影响及干燥方式对柠檬草富柠檬醛油产量的影响w .沃森)在特伦加纳种植

柠檬草（Cymbopogon flexuosus）通过种植和提取精油，为印度特伦加纳邦的农村社区和农民提供了巨大的收入来源。然而，缺乏关于其生物量和石油生产力的区域特定数据。为了解决这一差距，2023年在特伦加纳邦西迪佩特地区穆卢古的森林学院和研究所建立了一个试验性种植园。该研究旨在确定影响生物量产量、精油含量和柠檬醛浓度的土壤参数。结果表明，三次收获的年生物量产量约为每公顷6140公斤，与其他地区的产量相当。其中，遮荫干燥36 h得油率最高（0.77 ~ 0.85%），其次是45℃烘箱干燥7 h（0.71 ~ 0.78%）和日晒干燥48 h（0.65 ~ 0.73%）。根据采收和干燥技术的不同，提取油中的柠檬醛浓度在65%到84%之间。统计分析表明，土壤氮磷水平与生物量生产力呈正相关，表明养分丰富的土壤有利于香茅生长。这些发现强调了在该地区制定有效的柠檬草种植策略时考虑土壤肥力的重要性。

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来源期刊

Biochemical Systematics and Ecology 生物-进化生物学

CiteScore

3.00

自引率

12.50%

发文量

147

审稿时长

43 days

期刊介绍： Biochemical Systematics and Ecology is devoted to the publication of original papers and reviews, both submitted and invited, in two subject areas: I) the application of biochemistry to problems relating to systematic biology of organisms (biochemical systematics); II) the role of biochemistry in interactions between organisms or between an organism and its environment (biochemical ecology). In the Biochemical Systematics subject area, comparative studies of the distribution of (secondary) metabolites within a wider taxon (e.g. genus or family) are welcome. Comparative studies, encompassing multiple accessions of each of the taxa within their distribution are particularly encouraged. Welcome are also studies combining classical chemosystematic studies (such as comparative HPLC-MS or GC-MS investigations) with (macro-) molecular phylogenetic studies. Studies that involve the comparative use of compounds to help differentiate among species such as adulterants or substitutes that illustrate the applied use of chemosystematics are welcome. In contrast, studies solely employing macromolecular phylogenetic techniques (gene sequences, RAPD studies etc.) will be considered out of scope. Discouraged are manuscripts that report known or new compounds from a single source taxon without addressing a systematic hypothesis. Also considered out of scope are studies using outdated and hard to reproduce macromolecular techniques such as RAPDs in combination with standard chemosystematic techniques such as GC-FID and GC-MS.