Castor oil, a triglyceride ester of ricinoleic acid containing up to 2.7 hydroxyl groups per molecule, was converted with three cyclic anhydrides into esters with carboxyl in their structures. The obtained products have potential as crosslinking agents for epoxy resins. The chemical structures, thermal properties, degradation mechanisms and gaseous composition obtained during thermal decomposition

Retention of quality in herbal drugs during drying and storage is of great concern and the information is lacking in an important memory enhancing medicinal herb Brahmi (Bacopa monnieri L.). This is the first ever report on effect of drying methods, packaging materials as well as storage duration on the bacoside A profile and microbiological quality. Freshly harvested herbage was dried with five different

The growing interest in oilseed crops for sustainable biofuel production has promoted the exploration of new plant species with high oil content and quality. One of these species is pennycress (Thlaspi arvense L.; Brassicaceae), a winter annual plant that, due to the characteristics of its seed oil, has a great potential as feedstock for advanced biofuels. However, pennycress is not cultivated in Europe

This paper provides evidence for the adsorption of suberin onto cellulose and illustrates the effect of suberin and suberin fatty acid (SFA) treatment on the physicochemical surface properties of the modified cellulose substrate. Suberin and SFA were extracted from the outer bark of birch (Betula pendula Roth) and characterized by Fourier transform infrared spectroscopy and gas chromatography-mass

Xylooligosaccharides (XOS) are emerging prebiotics with several benefits for both physical and mental health. Their production from lignocellulosic materials is a challenging process, as lignin hinders xylan availability for XOS formation. In this study, bleached kraft pulp from Eucalyptus globulus, a lignin-free material, was used for XOS production. An alkaline extraction with 10 % NaOH to isolate

Rubber trees are the main source of natural rubber (NR). The area occupied by rubber plantations rose from 3.9 million ha in 1961 to 12.5 million ha in 2018. Both the expansion of rubber plantations in marginal zones (prone to biotic and abiotic stress), and long-term rubber tree cultivation in traditional areas, raise questions about the sustainability of NR production in a context of climate change

Hair perfumes are becoming a trend all over the world and new cosmetic formulations have been developed to address this recent need. In the present study, we developed a system for the controlled delivery of perfumes on hair, based on zein, a protein derived from maize, and on keratin. The Keratin:Zein particles, obtained using different strategies and proportions of zein and keratin, presented a high

Modifying oilseeds to obtain a desired fatty acid composition is often necessary to enable use as feedstocks for specific applications such as food processing, biofuels, or biolubricants. A mutant population of camelina (Camelina sativa), an emerging specialty oilseed crop, was screened by high-throughput gas chromatography for lines with altered seed oil fatty acid composition. By leveraging knowledge

Soil compaction becomes a frequent problem due to the increased traffic of large agricultural machines and implements necessary for crop management. Soil compaction, characterized by increased soil bulk density, prevents root growth, and consequently, the absorption of water and nutrients. Castor may be an alternative crop for cultivation in soils with a compaction problem because it has a vigorous

Brassica rapa L. (AA; 2n = 20) store considerable amounts of oil and protein reserves in the seeds. Genetic enhancement of these seed storage products is sought to meet specific requirements of the producers and consumers of edible oils, biofuels, animal feed and other industrial products. This necessitates the introduction of new genetic variation and a greater understanding of the trait genetics

Kalmegh [Andrographis paniculata (Burm. F.) Wall ex. Nees] herb is a sciophytic in nature and possess versatile medicinal properties due to which its requirements upsurge in the industries. The present aims of the study is to enhance yield productivity and quality of kalmegh by providing natural shade condition through co-cultivation of traditional food crops [grain crops viz.- maize (Zea mays L.)

Sugarcane (Saccharum spp. hybrid) contributes to 80% of world sugar production and is a valuable source of biomass for the production of lignocellulosic ethanol making it an important commercial crop. Drought stress is one of the major abiotic stress factors which reduces the productivity and quality of sugarcane. Increase in the intensity and duration of drought coupled with the rising demand of sugar

Sorghum biomass is a potential feedstock for lignocellulosic bioethanol production. The selection of suitable sorghum variety is essential to obtain high ethanol yield. In this paper we screened sorghum varieties belonging to sweet sorghum, post rainy sorghum, and hybrid sorghum. These varieties were screened based on their agronomic traits, amenability to pretreatment methods, and enzymatic digestibility

This work evaluated the use of protic ionic liquids (PILs) for the valorization of biomass at cost effective conditions; use of larger particle sizes, elevated biomass loadings and the reuse of PILs for pretreatment. PILs, triethylammonium hydrogen sulfate (TEAHSO4), 1-butylimidazolium hydrogen sulfate (HBIMHSO4) and 4-methylmorpholinium hydrogen sulfate (HMMorpHSO4) were used to pretreat the hardwood

Phenology of reproduction influences the concentration of the oil in the seeds, through changes in grain filling dynamics and biosynthetic activity. The objective was to evaluate differences in seed quality and phenology among species of Physaria differing in life-cycle: annuals-P. gracilis and P. angustifolia; and perennials- P. pinetorum and P. mendocina. The effect of the timing of the seed filling

Most large-scale mint growers are using center pivot irrigation systems with mid elevation sprinkler application (MESA) sprinklers that have a water application efficiency close to 80 %. Modifications of the sprinkler systems like low elevation spray/precision application (LESA/LEPA) that apply water close to the ground can save a lot of water throughout the season. However, improving or maintaing

Guayule (Parthenium argentatum Gray) is a promising alternative and renewable source of natural rubber/latex. There is a general acceptance that to successfully industrialize the cultivation of guayule, it will be necessary to valorize all of its co-products, including resins, which can reach 16 % of weight of dry matter. Guayule resins have been reported to have antifungal, insect antifeedant and

Herein, we isolated and purified polysaccharides from Craterellus cornucopioides. Chemical composition analysis revealed that both polysaccharides (CCPs-1 amd CCPs-2) were composed of different molar ratios of rhamnose, fucose, arabinose, xylose, mannose, glucose, and galactose. The structure of polysaccharides was determined using FT-IR, periodate oxidation, smith degradation, methylation analysis

Cotton (Gossypium) is a worldwide natural fiber crop. Fiber quality improvement lags far behind that of fiber yield. Although interspecific hybridization contributes significantly to improve fiber quality, the mechanism of alien genomic introgression to improve fiber quality has rarely been reported. In this study, a superior fiber-strength line (J02−508) derived from interspecific hybridization was

Date palm fibre is a sustainable biomass as well as an alternative biomaterial for producing cellulose nanocrystal (CNC), which was extensively used in different application fields by attributing to high surface reactivity during fabrication process. In this work, combined sulfuric/acetic acid hydrolysis of 10/90, 20/80 and 30/70 (wt %/wt %) were employed to extract DPCNC-I, DPCNC-II and DPCNC-III

In higher plants, hexokinase (HXK) is a crucial enzyme that phosphorylates glucose, because there is no evidence for the existence of glucokinase (GLK). In the rubber tree laticifers, the phosphorylation of glucose initiates glycolysis and pentose phosphate pathways, which provide energy and other compounds required for latex regeneration. However, the mechanism of how HXKs participate in the latex

Linseed is a rich source of ω–3 fatty acids and high-quality protein. While in recent years, various industrial applications of linseed oil such as biofuels, are increasing. To find out appropriate sowing dates of two linseed cultivars, a four-year field experiment was accomplished during the growing seasons of 2014, 2015, 2016, and 2017 in Kermanshah, west of Iran. The results showed that the flowering

Water stress is the most common abiotic environmental factor that influenced the morphological and physiological traits of the plants. Application of antitranspirants substances such as chitosan can reduce water loss. Summer savory (Satureja hortensis L.) is one of the important medicinal and aromatic plants which is used in food and pharmaceutical industries. In this investigation, the response of

Juniperus oxycedrus L. (Cupressaceae Bartlett) sensu lato is a species of high phenotypic and phytochemical variability. There is interest in the development of this species into cultivated crop because wild collection of galbuli or leaves result in significant variation in the essential oil (EO) profile and bioactivity. The objectives of this study were tо assess the variability of EO content and

Hydrogenation is one of useful processes in the high valorization of biomass and the non-precious nickel based catalyst is one of promising catalysts owing to its high activity and low cost. Herein, we present a systematic investigation on the preparation, characterization and catalytic property of Ni/Nb2O5-SiO2(x) catalysts in hydrogenation of palmitic acid as a probe reaction. Ni/Nb2O5-SiO2(x) of

Humulus lupulus, commonly known as hops has widely been used in breweries globally, however, the acaricidal properties of H. lupulus derived products could also be a novel and interesting avenue of study against insect pests. We tested the antiparasitic activity of H. lupulus essential oils against the honeybee mite Varroa destructor, and its bioactivity against the honeybee Apis mellifera. The hop

Plant cell tissue and organ culture techniques provide an efficient way for the biosynthesis of high-value secondary metabolites in which elicitation has been recognized to be a potent approach in enriching the bioactive compounds. In this study, an effort was made to assess the influence of Cadmium chloride (CdCl2) on alliin yield of different in vitro grown tissues such as callus, somatic embryos

Staphylococcus aureus is one of the leading causative of numerous infections that is resistant to various antibiotics. Since that we are facing with a serious problem of bacterial resistance it is necessary to find a new antibacterial agents in fight with it. Frangula alnus is traditionally used plant but its antibiofilm potential is poorly investigated. The aim of the study was to investigate antibiofilm