Variability in primary and secondary metabolites during different seasons in Phyllanthus amarus

Gehlot, Meenu; Kasera, Pawan K.

doi:10.1007/s40502-013-0022-2

Cited by 4 publications

(3 citation statements)

References 8 publications

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“…Khatun et al 35 observed that phosphorus content increased gradually with the advancement of maturity level in M. oleifera, which confirms our findings. Gehlot and Kasera 38 reported maximum phosphorus content during rainy season in Phyllanthus amarus, which supports our results in W. coagulans.…”

Section: Discussionsupporting

confidence: 92%

Evaluation of phytochemical variations in medicinal plants of Rajasthan

Kasera¹,

Soni²,

Daiya³

et al. 2018

Int J Phytocos Nat Ingred

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stomachache, contraceptive, piles, etc. 3 Corbichonia decumbens (Forssk.) Exell (Family: Lophicarpaceae) is a prostrate annual herb with succulent leaves and found almost throughout India in rocky or sandy places and in dry hot areas up to 1000 m altitude. This plant is used in kidney stone problems, gonorrhoea and also as tonic. In tribals, the plant leaves are crushed and taken orally in kidney stone problems. 4 Dipcadi erythraeum Webb. & Berth is bulbous flowering plants, belonging to the subfamily Scilloideae of family Asparagaceae. Its bulb and capsule are edible especially in Pakistan. The leaves are used as a laxative and as an

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Section: Discussionsupporting

confidence: 92%

Evaluation of phytochemical variations in medicinal plants of Rajasthan

Kasera¹,

Soni²,

Daiya³

et al. 2018

Int J Phytocos Nat Ingred

Self Cite

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“…Similar results were also reported by Sagar (2018) in bulbs of D. erythraeum and D. indica during vegetative phase. Daiya and Kasera (2017) and Gehlot and Kasera (2013) reported maximum phosphorus contents during rainy season in Withania coagulans and Phyllanthus amarus, respectively which is accordance to present results. Phenolics are groups of secondary metabolites which are synthesized by plant tubers and have indicated to several biological activities such as anti-oxidant, anti-aging, anti-diabetic, antimutagenic, anti-carcinogenic, anti-inflammatory and anti-microbial (Nile and Khobragade 2009).…”

Section: Resultssupporting

confidence: 92%

Temporal heterogeneity in primary and secondary metabolic products of medicinal plants of Sitamata Wildlife Sanctuary in Rajasthan, India

Soni

Kasera

2020

Bangladesh J. Bot.

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Phyto-chemical investigation in three tuberous medicinal plants, viz., Arisaema tortuosum (Wall.) Schott, Chlorophytum tuberosum (Roxb.) Baker and Curculigo orchioides Gaertn., growing in Sitamata Wildlife Sanctuary of Rajasthan were conducted for both primary and secondary metabolites. Experiment was carried out during June to October to find out monthly variation in accumulation of both primary (total contents of sugars, crude protein and phosphorus) and secondary metabolites (total contents of alkaloids and phenols) in tubers of these three species. In A. tortuosum (Wall.) Schott, crude protein and total alkaloids were found maximum during September, whereas phosphorus and total phenols during July. In C. tuberosum (Roxb.) Baker and C. orchioides Gaertn. maximum values of crude protein, phosphorus and total alkaloids were found during July. It is, therefore, concluded that the maximum production of different metabolites were found to be in the month of July and it is the suitable month for harvesting tubers.

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“…Akula & Ravishankar (2011) to affirm that the plants are extremely sensitive to climatic changes and many authors have proved it. In Phyllanthus amarus, species belonging to Lamiaceae family, the content of phenolic compounds also increased in the summer (Gehlot & Kasera, 2013). Macedo et al (2013) found results similar to ours in a study developed with Davilla rugose Poir.…”

Section: Discussionmentioning

confidence: 99%

Influence of light intensity, fertilizing and season on the cirsiliol content, a chemical marker ofLeonotis nepetifolia(Lamiaceae)

Oliveira

Borges

Pereira

et al. 2019

PeerJ

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BackgroundLeonotis nepetifolia (Family Lamiaceae) is a medicinal plant from which the flavonoid cirsiliol with sedative, hypnotic, anti-inflammatory and cytotoxic activity has been extracted.MethodsSeedlings were cultivated under different levels of shade in native or fertilized modes. The content of cirsiliol was measured monthly by high-performance liquid chromatography and the total phenolic content by the Folin-Ciocalteu method. Monitoring of growth was carried out with the weekly measurement of height until the stabilization of growth.ResultsThe application of fertilizing and/or shading does not alter significantly the cirsiliol content. However, this content varies throughout the year, reaching the peak production in the summer, independently of the treatment applied. This same profile, with production in the summer, was also verified for phenolic compounds, reaching 58.15 ± 9.35 mg of equivalents of gallic acid per g of extract in the summer, content 1.84 times greater than the content verified in winter (31.56 ± 4.09 mg of gallic acid/g of extract). Although shading and fertilizing had no effect on cirsiliol content, the results also showed a positive influence on the height and biomass of the plant, which can causes a higher yield of extractable material.DiscussionBiotic and abiotic stresses are able to increase or decrease the production of secondary metabolites, including phenolic compounds in medicinal plants and, as the stress response is peculiar to each species, cultivation studies become necessary. The present study reports by the first time the influence of shading, fertilizing and seasons in cirsiliol content in L. nepetifolia. Among analyzed variables, the seasons showed a larger influence in expression of cirsiliol and among seasons, our results showed that the summer is the ideal season for collections. In summer, the photoperiod is larger than in other seasons of the year and due to that, the plants need greater protection against the long photoperiod. For this, the plants increase the production of phenolic compounds as observed in this study. Although they do not influence the production of cirsiliol, the shading and nutrients in soil favor growth and leaf area of several plants, explaining, thus, the higher height and biomass obtained.

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Variability in primary and secondary metabolites during different seasons in Phyllanthus amarus

Cited by 4 publications

References 8 publications

Evaluation of phytochemical variations in medicinal plants of Rajasthan

Evaluation of phytochemical variations in medicinal plants of Rajasthan

Temporal heterogeneity in primary and secondary metabolic products of medicinal plants of Sitamata Wildlife Sanctuary in Rajasthan, India

Influence of light intensity, fertilizing and season on the cirsiliol content, a chemical marker ofLeonotis nepetifolia(Lamiaceae)

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