The diversified utilization of cotton waste or by-product will bring great practical benefit for the development of agriculture. In this work, withered cotton flowers were indicated to contain an abundance of bioactive compounds including various flavonols and anthocyanins, as is demonstrated by a targeted metabolomics approach. Subcritical water extraction (SWE), an environmentally friendly technique

This study aimed to examine and compare alkali treatment influences on the microstructure, chemical composition, and thermal properties of parenchyma cells and fibers in bamboo. The parenchyma cells and fibers were isolated mechanically from the same bamboo and were subsequently treated with sodium hydroxide (NaOH) at various concentrations (2, 5, 10, 15, and 25 %) for 2h followed by air-drying. The

With the growing interest in formulating nutritionally fortified baked products with added flavonoid-rich ingredients for health benefits, interactions between these ingredient classes have become critical, as they may affect product quality. In this study, the interaction behaviours that are caused by baking intervention between bamboo leaf flavonoids and gliadin were investigated. The flavonoids

Fibres from annual plants are a sustainable alternative to glass fibres in composite manufacturing. However, both synthetic fibres, such as carbon fibres, and cellulosic fibres exhibit heterogeneities along their lengths, which appear as localised morphological misorientations known as kink-bands. In plant fibres, kink-bands occur due to growing conditions under abiotic stress during the retting stage

Phenolic pollution is very common, and toxic and water-soluble compounds and their derivatives can have significant harmful effects on humans, aquatic life, and the environment. The adsorption method is the most efficient way of handling, but the high cost of biosorbents obstructs the feasibility of this approach. In this study, biomass waste derived from Palm-oil shells is synthesized as an eco-friendly

Ailanthone, a quassinoid from Ailanthus altissima (Mill.) Swingle, is a natural herbicide, whose use is limited by its low persistence and rapid degradation in organic substrates. Dextrin-based nanosponges (NSs) are polymers with a cage-like structure that can complex several molecules, acting as carriers or protectors. Their encapsulation efficiency can be exploited in numerous applications. Hence

To improve the interfacial adhesion and mechanical performance of biocomposite, titanate coupling agent CS-201 and silane coupling agent KH550 as the mixed coupling agents, poly(3-hydroxybutyrate-co-4-hydroxybutyrate) (P34HB) biocomposite reinforced wood fibers modified with mixed coupling agents were prepared via hot pressing process. The mixed coupling agents showed a good synergistic effect on improving

The development of composites based on plant fibres has considerably grown in last decades; however, their high sensitivity to moisture limits their use in structural applications. The objective of this study is to determine and understand the impact of moisture variations during one-year cyclic hygrothermal ageing i.e. 52 cycles on the transverse properties of a unidirectional epoxy flax composite

Over the last years, the depletion of fossil resources allied with the growing energy demands and the increasing environmental pollution turned imperative the search for alternative renewable resources. Lignocellulosic biomass has been recognized as an excellent alternative feedstock due to its availability, renewability and low cost. Lignin, one of three major components of lignocellulosic biomass

Towards a waste-free biorefinery was of the lignocellulose valuable and sustainable conversion. In this study a staged biorefinery for lignocellulose conversion to maximum valuable products was proposed and experimentally demonstrated by using Moso bamboo (Phyllostachys heterocycla cv. Pubescens). It is an integrated sequential process including hemicellulose acidolysis with FeCl3 as the catalyst,

As a medicinal and edible plant, Chrysanthemum morifolium cv. "Hangju" has economic value and is widely used as a Chinese herbal medicine and tea. However, the metabolomic difference between "Hangju" flowers with white and yellow petals is unclear. In this study, Chrysanthemum variety ZXYJ with white petals and its bud mutation strain JJYH with yellow petals were used as research materials. A preliminary

In this study, Cyclocarya paliurus polysaccharides purified by DEAE-cellulose columns (CPP0.05) were modified with chlorosulfonic acid–pyridine (CSA–Pyr) method to obtain the sulfation derivative (S-CPP0.05), whose structures were characterized by methylation and NMR analysis. The backbone of S-CPP0.05 was composed of →3)-β-D-Galp-(1→4)-α-D-Glcp-(1→ substituted by α-L-Araf-(1→, →4, 6)-β-D-Galp-(1→

Retting of fibrous plants such as flax is an essential step in the extraction of fibre bundles and their transformation into textiles and reinforcement fabrics for use in garments and composites. Dew-retting is traditionally performed from Northwest France to the Netherlands, as the climate is highly favourable for this process. Hemp is a plant that can be grown almost all over Europe with a low environmental

Sugarcane biomasses, such as bagasse and straw, are abundant and represent renewable sources for the production of molecules of economic interest, such as xylan. However, the solubilization methods for this macromolecule face the material recalcitrance and, consequently, need a higher amount of chemicals. This study brings as the fractioning of biomass for xylan extraction, aiming to verify how the

Flame retardant polypropylene composites were modified with fibers and hybrid combination of natural additives (coconut, wood flour, and walnut shell fibers) with high-strength basalt fiber. The composites were subjected to strength tests and flammability analysis to assess the impact of the fibers on flame retardant material, with the fiber content of 5–20 wt%. Mechanical tests showed the positive

Anthocyanin, a class of secondary metabolite, is critical for the distinctive autumn leaf coloration in landscape trees. Understanding the mechanism of anthocyanin regulation is essential to gardening applications. In this study, an R2R3-MYB transcription factor SsMYB1 was identified from Chinese tallow (Sapium sebiferum Roxb.), a kind of ornamental tree widely planted in China. The anthocyanin content

An active and recyclable magnetic biobased heteropolyacid catalyst (HPW-MCMs) was prepared for the high yield of transesterification of Pistacia chinensis seed oil (PCO). The magnetic cellulose microspheres (MCMs) were used as the supporter, and the phosphotungstic acid (HPW) was synthesized in surface and micropores via in-situ reaction. Fourier transform infrared spectra (FT-IR), scanning electron

In this study, three different pretreatment technologies (hydrothermal, NaOH, and ethylenediamine (EDA) pretreatment) were investigated to improve the efficiency of the enzymatic conversion of Caragana korshinskii Kom. (CKK). The effects of the pretreatment conditions on the composition, structure, and enzymatic hydrolysis of CKK were evaluated. The results indicated that EDA pretreatment was more

The goal of the study was to detect quantitative and qualitative changes of the volatile accumulation of lavender flowers during their development. Four Lavandula angustifolia and three Lavandula × intermedia cultivars were studied in a field trial during 2018 and 2019 in Budapest, Hungary. Samples were collected in three flowering phases (bud, full bloom, and end of flowering) in three replicates

The early planting of full-season cotton (Gossypium hirsutum L.) at a moderate plant density under plastic mulching is a traditional means of growing cotton in the Yellow River valley of China. However, it is labor intensive, consumes a large amount of materials, and also results in residual plastic pollution in the soil. While our previous studies indicated that late planted short-season cotton under

Sweet sorghum represents a readily available renewable carbohydrate feedstock for biofuel production. Generally, the sweet sorghum growing season and window for processing is short and it is often desirable to store a sugar-rich material for future processing. Therefore, we investigated the possibility of storing three different sweet sorghum sugar syrups under a layer of soybean oil; then we investigated

Plant terpenes are the main functional agents in forest bathing and have great value in several industries. To uncover the seasonal variation of Cinnamomum camphora monoterpene emission and the difference among the chemotypes for promoting the development of forest bathing and exploitation of monoterpenes using the species, the emission of monoterpenes and related gene expression in the camphor chemotype

Ginsenosides, which are naturally produced steroid glycosides and triterpene saponins, are thought to have a number of beneficial pharmacological activities and are thus an attractive target for novel extraction methods. Ginsenosides can be isolated from various parts of plants of the Panax genus, but are usually isolated from the roots, and can be purified by column chromatography. In this work, molecularly

Lemon balm (Melissa officinalis L.) is a popular herb used as an aromatic and medicinal resource as well as a herbal tea. Due to a lack of information on the hydroponic growth of lemon balm, three hydroponic systems (artificial soil bed, perlite bed, and aeroponic) that could be applied to industrial production were tested in the present study. In this context, the growth parameters, mineral contents

This research investigated the variations of triterpenoid contents in Cyclocarya paliurus leaves and their underlying anticancer activity and mechanism. Leaf samples were collected from twelve geographical locations in China for the experiments. Significant variation in the triterpenoid content and growth inhibition on HeLa cells were observed among the C. paliurus populations. Antiproliferation effects

As an indispensable chemical raw material, tannins are widely used in industrial production. The crude tannins extracted from plants are difficult to be used directly because of their low purity. Therefore, tannins purification are particularly important. In this study, an economical and efficient method was developed for the purification of novel vegetable tannin resources from Coriaria nepalensis

This work presents a possibility of implementing Green Chemistry principles in the synthesis of bio-components. Five out of twelve principles have been highlighted taking into account the reagents used as well as the product analysis method and process monitoring. The influence of different contents of a catalyst (0.15−0.45 wt.%), transesterification agents (ethylene glycol, propylene glycol, diethylene

Plant essential oils are the powerful candidates to develop natural insect management agents. Their chemical compounds along with their biological activity are often affected by many factors. However, the relationships between the composition and bioactivity of the compounds are not well understood. In this study, eight plant essential oils were screened, and the main compounds from the most effective

An efficient microwave-assisted steam distillation followed by a solvent extraction method (MSDE) was established to isolate the essential oil, asarinin and sesamin from the roots and rhizomes of Asarum heterotropoides var. mandshuricum (AHVM). In the MSDE technology applied in this work, moistened roots and rhizomes of AHVM powders are applied to this system. After extracting the essential oil by

The mechanical behavior of the wood-bark interface of shrub willow was tested to investigate the influence of key factors: harvest season, moisture content, and cultivars. The mechanical properties enable the design and optimization of the performance of debarking equipment for short-rotation woody stems and can help improve understanding of the mechanical performance of the wood-bark interface. Results