| lignocellulose |
|
| CHEBI:180683 |
|
| A complex biopolymer that is a component of plant cell walls which is used as a renewable feedstock for the production of paper, fuels, and chemicals (also used as a feed supplement in the poultry industry). Its structure comprises of three main types of carbon-based polymer — cellulose, hemicellulose and lignin. Generally, its biomass consists of 35-50% cellulose, 20-35% hemicellulose, and 10-25% lignin with proteins, oils, and ash making up the remaining fraction. |
|
This entity has been manually annotated by the ChEBI Team.
|
|
|
|
nutraceutical
A product in capsule, tablet or liquid form that provide essential nutrients, such as a vitamin, an essential mineral, a protein, an herb, or similar nutritional substance.
|
|
View more via ChEBI Ontology
|
cellolignin
|
ChEBI
|
|
ligno-cellulose
|
ChEBI
|
|
Furafil
|
ChEBI
|
|
Jeluvet
|
ChEBI
|
|
11132-73-3
|
CAS Registry Number
|
ChemIDplus
|
Freeman J, Wilson K, Spears R, Shalhoub V, Sibley P (2015)
Performance evaluation of four 25-hydroxyvitamin D assays to measure 25-hydroxyvitamin D2.
Clinical biochemistry 48, 1097-1104 [PubMed:26054580]
[show Abstract]
ObjectivesThe ability of current immunoassays to accurately measure equimolar amounts of 25(OH)D2 and 25(OH)D3 has been recently questioned. This study determined serum 25(OH)D2, 25(OH)D3 and total serum 25(OH)D concentrations in healthy vitamin D2-supplemented subjects by isotope dilution liquid chromatography mass spectrometry (ID-LC-MS/MS); and, evaluated the ability of the Siemens, DiaSorin, Roche, and Abbott Vitamin D Total assays to monitor total serum 25(OH)D concentrations compared to an ID-LC-MS/MS method traceable to the National Institute of Standards and Technology (NIST), and that has achieved certification from the Centers for Disease Control and Prevention (CDC) Vitamin D Standardization Certification Program (VDSCP).Design and methodsTwenty (20) healthy adults, with no history of prior vitamin D supplementation were administered oral vitamin D2 (2400IU/day for 6months). Serum samples (140) from baseline and monthly blood draws were tested.ResultsAfter one month, the mean serum 25(OH)D2 concentrations rose from 0.8 to 43.6nmol/L, whereas 25(OH)D3 concentrations declined from 84.0 to 63.4nmol/L; total serum 25(OH)D concentrations rose from 86.6 to 107.0nmol/L. The overall mean bias to ID-LC-MS/MS was -7.1% for the Siemens ADVIA Centaur assay, -15.3% for the DiaSorin LIAISON assay; -8.4% for the Roche ELECSYS assay and -16.3% for the Abbott ARCHITECT assay. Correlation coefficients (r) were 0.94, 0.79, 0.74, and 0.73; the mean bias for baseline [25(OH) D3-containing] versus six-month [25(OH)D2- and 25(OH)D3-containing] samples was -13.4% and -5.7%; -3.5% and 20.3%, 9.6% and -12.1%, and 0.2% and -17.8%, respectively.ConclusionsThe bias results obtained for the Siemens ADVIA Centaur assay and Roche ELECSYS assay were slightly lower than those for the DiaSorin LIAISON assay and the Abbott ARCHITECT assay, but all 25(OH)D assays demonstrated acceptable performance. |
|
