Dendrobium - Science topic

This study explored the kinetics of ultrasonic extraction of polysaccharides (DOLP) from Dendrobium officinale leaf (DOL), evaluated the in vitro bioactivity of DOL extracts and DOLP, and characterized the DOLP. A kinetic model was developed based on Fick’s second law. A technique utilizing 400 W for 50 min was employed for the ultrasonic extractio...

Dendrobium nobile (D. nobile), an orchid species deeply rooted in traditional medicine, has garnered considerable attention for its potential pharmacological and therapeutic properties. This critical review provides a comprehensive analysis of the bioactive compounds present in D. nobile and explores their diverse pharmacological effects. The phyto...

Dendrobium, a medicinal and food plant of high medicinal and economic value, is being cultivated in various regions across China. Based on years of cultivation experience, we explored effective cultivation measures for Dendrobium and analyzed the role of green prevention and control technologies in its cultivation. The experiment demonstrated that...

Background Dendrobium catenatum is a perennial herb of the genus Dendrobium orchidaceae. It has been known as “Golden Grass, Soft Gold” since ancient times with effects of strengthening the body, benefiting the stomach, generating body fluid, nourishing Yin and clearing internal heat. The flowers of D. catenatum have anti-oxidation, immune regulati...

Dendrobium is one of the genera of the third largest Orchidaceae family which reaches about 1184 species in the world. In Indonesia, this genus of orchids is a wealth of genetic resources that are abundant in the Eastern region, such as Papua and Maluku. These genetic resources have not been optimally utilized as elders in crossbreeding to produce...

Bibenzyl compounds are one of the most important bioactive components of natural medicine. However, Dendrobium officinale as a traditional herbal medicine is rich in bibenzyl compounds and performs functions such as acting as an antioxidant, inhibiting cancer cell growth, and assisting in neuro-protection. The biosynthesis of bibenzyl products is r...

Many Tulasnella species have been identified as true mycorrhizal fungi, playing key roles in nutrient exchange between hosts and their environments, which is crucial for seed germination and seedling development. This study describes four Tulasnella strains isolated from Dendrobium and Paphiopedilum species collected in Thailand. Based on single-lo...

To ensure the aroma and flavour quality of dried herbs, it is essential to understand flavour reactions that occur during complex drying mechanisms. This study investigated aroma formation in dried Dendrobium nobile stems (Shihu), valued in Chinese cuisine and traditional medicine. Stems were dried in a convection oven over 48 h (70 ◦C). Carotenoid...

Objectives: This study aimed to investigate the potential of Dendrobium officinale Kimura & Migo (DOKM) in ameliorating high cholesterol-induced atherosclerosis (AS) in zebrafish, focusing on the development of safe and effective drugs with low toxicity for AS treatment. Methods: A zebrafish AS model was established by feeding zebrafish a high chol...

This article analyzes the data from the Special Food Information Query Platform of the Special Food Safety Supervision and Administration Department of the State Administration for Market Regulation, and finds that among the approved health foods in China that have auxiliary protective functions against chemical liver injury, there are 43 medicinal...

Background: Dendrobium officinale glycolipids (DOG), often left as residues after hot water extraction for polysaccharide production, are often discarded. Methods: This study investigates the optimal extraction of DOG using response surface methodology, focusing on liquid–solid ratios, ethanol concentrations, extraction temperatures, and extraction...

Despite being recognized as a specialty food in four Chinese provinces with established safety standards, Dendrobium officinale Kimura et Migo (Orchidaceae) leaf physicochemical indices overlook vital flavonoid glycoside components. Given the inconsistency in flavonoid quality under current standards, we devised a quantitative analysis targeting vi...

Being one of the most abundant genera of orchids, Dendrobium presents a valuable genetic resource for hybridization programs. Morphological characterization and assessment of genetic parameters plays a crucial role in establishing genetic connections among orchid species within the same genus. The study aims to discern the morphological traits of f...

Dendrobium officinale Kimura & Migo (D. officinale) is a well-recognized traditional Chinese medicinal herb that is both medicinal and edible. Contemporary pharmacological studies have revealed that D. officinale contains abundant bioactive compounds, including polysaccharides, flavonoids, alkaloids, and dendrobine, exhibiting diverse pharmacologic...

Dendrobium orchids are highly valued for their aesthetic appeal and durability, constituting a major segment of the global orchid market. A study was conducted in the Konkan region of Maharashtra (India) to determine the most suitable varieties for the specific climatic conditions of this area. The research was carried out under shade-net condition...

Introduction With its distinctive evolutionary rate and inheritance patterns separate from the nuclear genome, mitochondrial genome analysis has become a prominent focus of current research. Dendrobium hancockii Rolfe, a species of orchid with both medicinal and horticultural value, will benefit from the application of the fully assembled and annot...

Acute myelogenous leukemia is a highly invasiveness hematological malignancies that mainly relies on chemotherapy to improve survival rate at present.Up to now,the application of natural products has been widely accepted as an alternative compared with conventional chemotherapeutic agents due to their relative safety.In our research,we attempted to...

A nomenclatural history for Dendrobium × delicatum (Orchidaceae). Abstract The nomenclatural history of the naturally occurring hybrid orchid Dendrobium × delicatum (F.M.Bailey) F.M.Bailey is reviewed. The earliest published name for this hybrid was D. speciosum var. delicatum F.M.Bailey in 1883. In 1896, an artificially raised plant of D. speciosu...

This study investigates the morpho-physiological adaptations and fragrance profiles of 2 relocated orchid species, Cattleya aclandiae x Brassavola Little star (V1) and Dendrobium var. Meesangnil (V2), following their translocation from Nagercoil to Coimbatore, India. The research aims to elucidate the mechanisms underlying successful acclimatizatio...

The gut microbiota, a complex ecosystem of microorganisms in the human gastrointestinal tract (GI), plays a crucial role in maintaining metabolic health and influencing disease susceptibility. Dysbiosis, or an imbalance in gut microbiota, has been linked to the development of type 2 diabetes mellitus (T2DM) through mechanisms such as reduced glucos...

Ngày nay, Lan kiếm (Cymbidium sp.) đã và đang dần đạt được một vị trí quan trọng trong thị trường cây cảnh trong nước cũng như trên thế giới. Đặc biệt, các dòng lan lai tạo là những sản phẩm ngày càng được quan tâm trên thị trường do có nhiều đặc điểm hình thái mới lạ. Tuy nhiên, do đặc điểm di truyền các dòng lan lai tạo cần được duy trì và nhân g...

Trong nghiên cứu này, chúng tôi khảo sát ảnh hưởng của một số yếu tố đến sự sinh trưởng, phát triển của cây lan Giả hạc di linh (Dendrobium anosmum) in vitro trong giai đoạn vườn ươm. Kết quả nghiên cứu cho thấy, công thức giá thể gồm: 47,5% xơ dừa, 47,5% vỏ lạc hun, 5% dớn trắng là phù hợp nhất cho giai đoạn thích nghi cây ở ngoai vườn ươm với tỷ...

The Orchidaceae family, particularly Dendrobium orchids, plays a significant role in the global floriculture industry, yet developing efficient clonal propagation protocols is challenging. This study investigates the effects of copper sulfate (CuSO4) and zinc sulfate (ZnSO4) supplementation on the in vitro propagation of Dendrobium phalaenopsis orc...

Dendrobium ovatum is a tropical epiphytic orchid endemic to the Western Ghats of India and has been listed as a threatened species in recent research due to its declining populations and changes in flowering and fruit set patterns. This study aims to investigate the mycoflora associated with the roots, stems and leaves of D. ovatum. Both surface‐as...

Flow cytometry technique is used extensively in plant sciences to reveal the deviation of genomic size to better identify or resolve the closely related organisms or groups. In this study, extracted nuclei from the leaf tissue of ten Dendrobium species were analyzed for their DNA content. A flow cytometer was used to measure DNA content after extra...

Orchids are a type of diverse and beautiful flower plant found throughout the world, including Indonesia. Orchids naturally thrive in forest environments or areas with abundant moisture and organic nutrients. Considering the decreasing area of forest, it is important to take immediate action to preserve and protect various orchid species that are t...

Dendrobium officinale flowers (DOF) have previously been established as a promising source of natural antioxidants, and it is ideally suited for processing to prepare functional foods and food additives. The precise extraction processes employed, however, can alter the composition and antioxidant properties of the resultant products, and the charac...

The orchid Dendrobium moniliforme faces endangerment due to habitat loss and illegal harvesting, necessitating the development of an optimized artificial propagation system to aid conservation and reintroduction efforts. This study evaluated the effects of three plant growth media, namely Murashige and Skoog (MS), Hyponex, and Orchid Maintenance Me...

Erianin is one of the most representative bibenzyls with significant inhibitory activity against a wide range of tumor cells. However, the low erianin level in natural materials has severely inhibited its further development in health care. Our aim was to uncover the erianin biosynthetic pathway to lay the foundation for promoting its production. F...

This study aimed to analyze the structure of polysaccharides from eight different Dendrobium species and their protective effects on gastric mucosa. Ultraviolet (UV) analysis showed that the contents of eight polysaccharides ranged from 51.89 ± 6.91% to 80.57 ± 11.63%; the degree of acetylation ranged from 0.17 ± 0.03 to 0.48 ± 0.03. High-performan...

Dendrobium officinale Kimura et Migo has long been utilized in traditional Chinese medicine and other Asian cultures for its medicinal properties. One of the key bioactive compounds found in D. officinale is D. officinale polysaccharides (DOPs). Recent studies have indicated that the rhizosphere microbiome can influence the accumulation of bioactiv...

Dendrobium sukhakulii is used for several different taxa, the identity of which is awaited with the publication of Flora of Thailand Dendrobium volume. A provisional name at grex rank is provided for a natural hybrid found by Leon Glicenstein in California, and believed to be P. dilitta var leucostachys x P. tescaminis.

Introduction Understanding the microbial diversity and potential functional dynamics within the rhizocompartments of Dendrobium huoshanense is crucial for unraveling the plant–microbe interactions that influence its medicinal properties. Methods This study is the first to characterize the microbiome associated with the rhizocompartments of D. huos...

The oil palm (Elaeis guineensis Jacq.) is the primary source of vegetable oil cultivation globally, and it is considered to be the most profitable oil commodity per hectare. E. guineensis Jacq. micropropagation technique can be achieved through the somatic embryogenesis process, allowing the efficient and true-to-type propagation of plants. The som...

Trong quá trình điều tra nghiên cứu về các loài thuộc họ Lan (Orchidaceae Juss.) ở Vườn quốc gia Cát Tiên trên diện tích 39.627ha, đã thu thập mẫu, mô tả và định danh được 36 loài thuộc 21 chi; trong đó có 4 loài có tên trong Sách Đỏ Việt Nam: ở cấp EN có 1 loài là Dendrobium bilobulatum Seidenf.; ở cấp VU gồm có 3 loài là Dendrobium farmeri Paxt;...

Aluminum-activated malate transporter (ALMT) genes play an important role in aluminum ion (Al3+) tolerance, fruit acidity, and stomatal movement. Although decades of research have been carried out in many plants, there is little knowledge about the roles of ALMT in Orchidaceae. In this study, 34 ALMT genes were identified in the genomes of four orc...

Recent fieldwork on tropical bees has revealed that males of Ctenoplectrini, Tapinotaspidini, and Tetrapediini collect floral oils, but it remains unknown for which purpose. Observations and chemical tests in Yunnan show that at least 31 species of Dendrobium and two of Galeola orchids have oil hairs on their petals attracting male Ctenoplectra cor...

Orchids (Orchidaceae) are ornamental plants known for their high aesthetic value attributed to the shapes, colours, and fragrances of their flowers. Two types of hybrid orchids with attractive flowers, namely the Phalaenopsis 'OX Queen' orchid and the Dendrobium 'Cheddi Jagan' boast attractive flowers were used in this research, because of the beau...

Dendrobium is a precious Chinese herbal medicine, which belongs to the genus Orchidaceae. Ancient records and modern pharmacological research show that Dendrobium has pharmacological effects such as anti-tumor, antioxidant regulating immunity and blood glucose, and anti-aging. Dendrobium contains polysaccharides, alkaloids, bibenzyl, sesquiterpenes...

Denphal-type Dendrobium is the famous cut and potted flower in the world, and most cultivated in tropical and subtropical regions. However, it often suffers from cold in winter in subtropical regions. To verify the physiological response of Denphal-type Dendrobium under low temperature in this study, the mature and young plantlets of Dendrobium Udo...

Introduction Dendrobium nobile Lindl alkaloids, or DNLA for short, are the most active ingredients found in D.nobile, a top grade plant in Shen Nong Ben Cao Jing, with an extensive history of medicinal use in Chinese traditional medicine (TCM) as a multifunctional therapeutic agent. Recent evidence has emerged linking the neuroprotective and anti-a...

Background Dendrobium officinale Kimura et Migo (D. officinale) is parasitic on rocks or plants with very few mineral elements that can be absorbed directly, so its growth and development are affected by nutritional deficiencies. Previous studies found that phosphorus deficiency promotes polysaccharides accumulation in D. officinale, the expression...

This study aimed to develop an effective in vitro protocol for germinating and multiplying Dendrobium moschatum seeds by identifying optimal concentrations of plant growth regulators for shoot proliferation and root formation. Five different MS media formulations were utilized, including a control (M?) and those supplemented with varying concentrat...

Biopriming can be considered as a sustainable method that involves the application of beneficial plant growth-promoting microorganisms to seeds or seedlings, enhancing their growth, vigour, and ultimately the yield of the crop plants. The microbial symbionts of epiphytic orchids may function as efficient plant growth promoters as they are particula...

A new species of Dendrobium sect. Crinifera is described from Thailand. The late Peter O’Byrne is appropriately credited for his important preparatory work for our study and for coining the name of the new species, D. krabiense. Apparently endemic to southern Thailand, D. krabiense is similar to D. pardalinum but differs in the lip mid-lobe being d...

Background Sugar transporters (STs) play a critical part in the transporting of sugar, be involved in plant growth and development, stress/defense and signal transduction. Dendrobium catenatum (also name as Dendrobium officinale, here after D. catenatum) is an important traditional Chinese medicinal herb with remarkable medicinal functions and high...

Moscatilin, a bibenzyl derivative from the Dendrobium genus, has been traditionally used in Chinese medicine. Recent studies suggest its potential as a powerful anticancer agent due to its diverse pharmacological properties.This review aims to consolidate current research on moscatilin’s anticancer mechanisms, structure–activity relationships, and...

Genus Dendrobium merupakan salah satu anggrek yang banyak diminati karena mampu beradaptasi dengan berbagai kondisi lingkungan tumbuh. Faktor penting yang mempengaruhi pertumbuhan anggrek adalah pemupukan. Pemupukan dengan pupuk organik ekoenzim dan Nanobubbles (NBs) merupakan inovasi untuk meningkatkan pertumbuhan anggrek. Ekoenzim merupakan hasil...

Background Unfavorable temperatures significantly constrain the quality formation of Dendrobium officinale, severely limiting its food demand. Salicylic acid (SA) enhances the resistance of D. officinale to stress and possesses various analogs. The impact and mechanism of the SA family on improving the quality of D. officinale under adverse tempera...

Dendrobine (DDB), an alkaloid isolated from the Chinese herb Dendrobium, has antioxidant and anti-inflammatory effects; however, whether DDB reduces oleic acid (OA)-induced lipid accumulation remains unclear. OA-induced lipid accumulation model of HepG2 cells were treated with DDB. Cellular lipid deposition was assessed by Oil Red O (ORO) staining...

Dendrobium species, which are perennial herbs widely distributed in tropical and subtropical regions, are notable for their therapeutic properties attributed to various bioactive compounds, including dendrobine-type sesquiterpenoid alkaloids (DTSAs). The objective of this review article is to provide a comprehensive overview of recent advances in t...

Background Dendrobium Sw. represents one of the most expansive genera within the Orchidaceae family, renowned for its species’ high medicinal and ornamental value. In higher plants, the ankyrin (ANK) repeat protein family is characterized by a unique ANK repeat domain, integral to a plethora of biological functions and biochemical activities. The A...

Phalaenopsis-type Dendrobium hybrids (den-phals) are globally important ornamental plants. Aromatic commercial den-phals are rare, but the fragrance of their flowers has gradually become a significant trait influencing consumer preferences. In this study, 22 aromatic den-phals were screened by sensory evaluation. Then headspace solid–phase microext...

Lead affects photosynthesis and growth and has serious toxic effects on plants. Here, the differential expressed proteins (DEPs) in D. huoshanense were investigated under different applications of lead acetate solutions. Using label-free quantitative proteomics methods, more than 12,000 peptides and 2,449 proteins were identified. GO and KEGG funct...

Flavonoids play a major role in promoting human health, yet their instability in solution greatly limits its industrial utilization. This study aimed to introduce soybean peptides (SP) to improve the stability and solubility of Dendrobium officinale flavonoids (DOFs), and to investigate the effects of their interaction, sterilization and storage. T...

Dendrobium sinense, an endemic medicinal herb in Hainan Island, is rich in bibenzyl compounds. However, few studies have explored the molecular mechanisms of bibenzyl biosynthesis. This study presents a comprehensive analysis of DsBBS1 and DsBBS2 function in D. sinense. A molecular docking simulation revealed high-resolution three-dimensional struc...

Affiliation(s): Can Tho University TÓM TẮT Nghiên cứu được thực hiện nhằm nhân nhanh giống lan Hoàng thảo kèn (Dendrobium lituiflorum) từ thể tiền chồi. Kết quả nghiên cứu cho thấy: (i) Số lượng PLB khi nuôi trong môi trường MS bổ sung TDZ nồng độ từ 0,5-1,5 mg/L kết hợp với NAA 0,05 mg/L gia tăng nhanh sinh khối cao nhất (5,01-6,11g/PLBs) so với n...

Glutathione S-transferases (GSTs) are members of a protein superfamily with diverse physiological functions, including cellular detoxification and protection against oxidative damage. However, there is limited research on GSTs responding to cadmium (Cd) stress. This study classified 46 GST genes in Dendrobium officinale (D. officinale) into nine gr...