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Main energy storage substances in castor seeds


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Characterization of a novel sn1,3 lipase from Ricinus

Triacylglycerols (TAG), an energy storage substance, exist in the seeds of many eukaryotic plants. TAG is hydro- lyzed by lipase to produce free fatty acids and corresponding glycerides, in which

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Soybean LEAFY COTYLEDON 2 regulates subsets of genes

Soybean is an important oilseed crop and major dietary protein resource, yet the molecular processes and regulatory mechanisms involved in biosynthesis of seed storage substances are not fully

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Soybean LEC2 Regulates Subsets of Genes Involved in

2016). The seed storage reserves such as protein, triacylglycerol, (TAG), and starch, are filled during the seed development, which critically determine seed quality traits of many crops. Understanding of the seed development and storage substance filling into the seed thus is essential for enhancement of crop

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Castor (Ricinus communis

i table of contents 1 preface 1 1.1 foreword 1 1.2 acknowledgements 1 2 summary 2 3 potential of castor for bio-fuel production 3 3.1 status as an energy crop 3 3.2 centre of origin and current distribution 3 3.3 climate and soil requirements 3 3.4 description of the crop 4 3.5 toxicity 4 3.6 growth, propagation and planting 5 3.7 harvesting 5 3.8 pest and diseases 5

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The Functions of the Endosperm During Seed Germination

and AtbZIP25 bind to the promoters of seed storage protein genes, and activate transcription in a synergistic manner with other TFs such as ABI3 and bZIP53 (Lara et al. 2003, Alonso et al.

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Quantitative proteomics of seed filling in castor: comparison with

Seed maturation or seed filling is a phase of development that plays a major role in the storage reserve composition of a seed. In many plant seeds photosynthesis plays a major role in this process, although oilseeds, such as castor (Ricinus communis), are capable of accumulating oil without the benefit of photophosphorylation to augment energy demands.

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Castor oil (Ricinus communis): a review on the chemical

In Nigeria, detoxified castor seed is used as a food condiment (Salihu et al., 2014), a substance that benefits human vision. Limited information is available on the use of castor oilseed

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Approaches for the Detection of Toxic Compounds in Castor

Castor bean seeds have long been known for their toxicity. They are the source of the most potent phytotoxin known, the protein ricin. Moreover, the toxic alkaloid, ricinin, is also found in the castor bean; however, this compound is different from ricin in that it is not as toxic and can easily be removed from the castor cake. 2.1. Ricin

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Lipid droplets are versatile organelles involved in plant

In recent decades, the mechanistic details of plant LD biogenesis have become clearer (for review see Chapman et al., 2019; Choi et al., 2022; Guzha et al., 2023) iefly, LD biosynthesis occurs in a three-step process: (i) TAG synthesis at the ER, (ii) TAG accumulation between the two leaflets of the endoplasmic reticulum (ER) membrane leading to the formation

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(PDF) Castor oil (Ricinus communis): a review on the chemical

The acid, anisidine, iodine, viscosity, and saponification values indicate that castor has good oil quality compared to other vegetable oils. Castor oil composition is

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The effects of plant growth substances on the oil content and fatty

Castor seeds contain 50% oil on average and this percentage is quite high compared to the other oil seeds [17,18,19,20]. This high usage potential of castor oil has increased the Ricinus communis L. cultivation in many countries . High seed and oil yield providing new genotypes of castor plants have been developed .

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Ricin: An Ancient Story for a Timeless Plant Toxin

The castor plant (Ricinus communis L.) has been known since time immemorial in traditional medicine in the pharmacopeia of Mediterranean and eastern ancient cultures. Moreover, it is still used in folk medicine worldwide. Castor bean has been mainly recommended as anti-inflammatory, anthelmintic, anti-bacterial, laxative, abortifacient, for wounds, ulcers, and many

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Development of an efficient chromatin immunoprecipitation

A castor bean seed with large and persistent endosperm contains high amounts of storage lipids (ca. 50-60%) and is often considered as a model material to studying seed biology. In oleaginous seeds, due to the rich oils which could seriously affect immunoprecipitation and DNA isolation, it is often difficult to carry out a successful ChIP

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Ricin and Ricinus communis in pharmacology and toxicology

Nowadays, castor oil production is the most important use of the ricinus plant. The castor seeds contain 40–50% oil. Between 2009 and 2013, the average annual world production of castor oil seed was approximately 1.99 × 10 6 tons (Mensah et al. 2018) and represents ~ 0.15% of the total vegetable oil produced worldwide (Severino et al. 2012).

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Castor Oil-Based Derivatives as a Raw Material for the Chemical

Castor plants (Ricinus communis) are part of the large spurge family (Euphorbiaceae), which cultivate naturally under different climatic conditions [].Castor oil plant initially belonging to India and Africa and then imported from India to China around 1400 years ago [].Castor seed contains 50% of oil, which can be easily extracted, and transformed into

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Soybean LEC2 Regulates Subsets of Genes Involved in

Soybean LEC2 Regulates Subsets of Genes Involved in Controlling the Biosynthesis and Catabolism of Seed Storage Substances and Seed Development FAs are precursors for all lipids, whether they serve as energy storage or membrane structure. level behaves reciprocally with the other main storage compounds such as oil and protein (Angeles

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Advances in the utilisation of castor (Ricinus communis Linneo) seed

Castor (R. communis) is a shrub of the spurge family (Euphorbiaceae) which grows well, either wild or cultivated, in tropical and sub-tropical regions of the world (Ken et al. 1990; Megueni et al. 2016).World''s castor seed production stood at 1.85 million metric tonnes in 2013. The bulk of the world''s caster seed production takes place in India, China and Brazil

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Castor oil

Castor oil is a vegetable oil pressed from castor beans, the seeds of the plant Ricinus communis. [1] The seeds are 40 to 60 percent oil. [2] It is a colourless or pale yellow liquid with a distinct taste and odor. Its boiling point is 313 °C (595 °F) and its density is 0.961 g/cm 3. [3] It includes a mixture of triglycerides in which about 90 percent of fatty acids are ricinoleates.

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The role of storage reserves and their mobilization during seed

Furthermore, OBs are energy sources in oilseed crops during the germination and the establishment of seedlings (Hu et al., 2020).OBs are dynamic organelles associated with various physiological mechanisms such as hormone signaling and membrane biogenesis, which regulate the diurnal processes and development of the cells (Pyc et al., 2017).OBs are mainly

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Carbohydrate reserves and seed development: an overview

General view of the metabolic pathways connecting carbon partitioning to the main storage compounds in seeds and key enzymatic steps involved in seed development. Photoassimilates from source

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Castor Oil Plant Seeds: Benefits, Uses, and Growing Tips

Toxic Components of Castor Seeds. While castor oil has many uses, it''s important to be aware of the toxic components of castor seeds. Castor seeds contain a toxic compound called ricin, which can be harmful if ingested in large quantities. It''s important to keep castor seeds and the oil out of reach of children and pets, and to handle them

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Castor oil (Ricinus communis): a review on the chemical

Castor oil composition is influenced by the area of production and method of extraction adopted. The chemical structure of castor oil is centered on the ricinoleic acid and three major...

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Investigation and optimization of bio-oil extraction from mixed

Consequently, a thorough investigation and optimization of the extraction methods for mixed Castor-Jatropha seeds are highly desirable. Castor and Jatropha seeds, both non-edibles, thrive in tropical and subtropical regions, exerting minimal impact on the land dedicated to crop cultivation (Tambunan et al., 2012, Arunkumar et al., 2019, Ofori-Boateng et

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Explainer: what is ricin? | News | Chemistry World

Around 1–2 million tonnes of castor seeds are grown every year for the production of castor oil. Castor oil contains very little ricin as the toxin is insoluble in it and manufacturers ensure no residual toxin remains by heating it to denature any that may be present. However, the solid waste that is left over after the seeds are crushed can

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Salt-adaptive strategies in oil seed crop

Cotyledon and true leaf of castor plant have different physiological adaptation mechanisms to salt stress. axis growth, which is defined as storage-type cotyledon. In addition, there are also some plants with inadequate storage substances and energy in their cotyledon, however they contain many photosynthetic pigments, and for this reason

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Proteomic Study of Differentially Expressed Proteins in Seeds

Among the DEPs between castor offspring and parents, 17.20% were involved in seed nutrient storage, most of which were upregulated in the offspring seeds. Starch, the main storage carbohydrate of plant seeds, may account for 50% of the dry matter in storage organs

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Quantitative Proteomics of Seed Filling in Castor: Comparison

Abstract. Seed maturation or seed filling is a phase of development that plays a major role in the storage reserve composition of a seed. In many plant seeds photosynthesis plays a major role

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About Main energy storage substances in castor seeds

About Main energy storage substances in castor seeds

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