scholarly journals Cluster analysis of fracturing in the deposits of decorative stone for the optimization of the process of quality control of block raw material

2016 ◽  
Vol 5 (3 (83)) ◽  
pp. 21-29 ◽  
Author(s):  
Ruslan Sobolevskyi ◽  
Natalia Zuievska ◽  
Valentyn Korobiichuk ◽  
Oleksandr Tolkach ◽  
Volodymyr Kotenko
Keyword(s):  
Cluster Analysis ◽  
Quality Control ◽  
Raw Material

scholarly journals Content of heavy metals in Gentiana lutea L. roots and galenic forms

2007 ◽  
Vol 72 (2) ◽  
pp. 133-138 ◽  
Author(s):  
Dragoja Radanovic ◽  
Svetlana Antic-Mladenovic ◽  
Miodrag Jakovljevic ◽  
Mirjana Kresovic
Keyword(s):  
Heavy Metals ◽  
Quality Control ◽  
Soil Analysis ◽  
Root Tissue ◽  
Raw Material ◽  
Potential Hazard ◽  
Gentiana Lutea ◽  
Liquid Extract ◽  
Very High

An experimental field for the cultivated production of Gentiana lutea L. was established five years ago at the Suvobor Mountain, Serbia. Soil analysis of this area revealed the occurrence of high pseudo-total (Ni - 1270 mg/kg, Cr - 423 mg/kg, Co - 385 mg/kg) and available (especially Ni - 133 mg/kg) heavy metals contents in the soil. Hence, the aim of this research was to evaluate the quality of Gentiana lutea L. - roots and galenic forms (liquid extract in 70 % ethanol, spissum and siccum) produced from the roots, because, for most plants, heavy metals accumulate in the root tissue. The amounts of Ni and Cr found in the analyzed roots were very high (54 mg/kg and 14 mg/kg, respectively). The efficiency of ethanol in extracting heavy metals from the roots varied depending on the particular element. The highest efficiency was obtained for Ni (41.3 %), then for Cd (39.5 %), Pb (37.0%) and Co (30.4 %). According to this, a potential hazard exists for humans, if gentian's galenic forms are produced from the raw material with high heavy metals contents. It is concluded that quality control of the raw material must be carried out before further utilization of gentian. .

scholarly journals ANALISIS PENGENDALIAN KUALITAS PRODUK BIJI PLASTIK UD. LESTARI

2018 ◽  
Vol 8 (2) ◽  
Author(s):  
Nurotul Sofi Anisyaful Laila
Keyword(s):  
Quality Control ◽  
Raw Material ◽  
Problems And Solutions ◽  
Method Factors

The aim of this study was to examine the problems and solutions to quality control of pellets at UD Lestari. The data were collected by using observation, documentation, and interview. Then, the data were analyzed by using cause-effect and pareto diagrams. Cause-effect diagram used to found the caused of damage and eliminate it and pareto diagram used to determine and to sort the total of damage from the largest to smallest. The results of the study showed that there were three kinds of problems, such as: different type of pellets, attached pellets to one another, and pellets chunk due to labor, raw material, machine, and method factors. The pareto diagram shows that the shaped plastic seed was a product damage most widely. The most dominant problem faced by UD Lestari was chunk pellets. Thus, the company should monitor labor, raw material, machine, and method used in processing the pellets.

scholarly journals Development and Validation of a Simple Method for Routine Analysis of Ractopamine Hydrochloride in Raw Material and Feed Additives by HPLC

2009 ◽  
Vol 92 (3) ◽  
pp. 757-764 ◽  
Author(s):  
Ellen Figueiredo Freire ◽  
Keyller Bastos Borges ◽  
Hélio Tanimoto ◽  
Raquel Tassara Nogueira ◽  
Lucimara Cristiane Toso Bertolini ◽  
...  
Keyword(s):  
Quality Control ◽  
Limit Of Detection ◽  
Feed Additives ◽  
Raw Material ◽  
Control Analysis ◽  
Limit Of Quantification ◽  
Simple Method ◽  
Relative Standard ◽  
Validation Parameters ◽  
Ractopamine Hydrochloride

Abstract A simple method was optimized and validated for determination of ractopamine hydrochloride (RAC) in raw material and feed additives by HPLC for use in quality control in veterinary industries. The best-optimized conditions were a C8 column (250 4.6 mm id, 5.0 m particle size) at room temperature with acetonitrile100 mM sodium acetate buffer (pH 5.0; 75 + 25, v/v) mobile phase at a flow rate of 1.0 mL/min and UV detection at 275 nm. With these conditions, the retention time of RAC was around 5.2 min, and standard curves were linear in the concentration range of 160240 g/mL (correlation coefficient 0.999). Validation parameters, such as selectivity, linearity, limit of detection (ranged from 1.60 to 2.05 g/mL), limit of quantification (ranged from 4.26 to 6.84 g/mL), precision (relative standard deviation 1.87), accuracy (ranged from 96.97 to 100.54), and robustness, gave results within acceptable ranges. Therefore, the developed method can be successfully applied for the routine quality control analysis of raw material and feed additives.

scholarly journals High-Performance Liquid Chromatographic Fingerprint for Quality Control of Terminalia arjuna Containing Ayurvedic churna Formulation

2009 ◽  
Vol 92 (4) ◽  
pp. 1016-1020 ◽  
Author(s):  
Sohan S Chitlange ◽  
Prajakta S Kulkarni ◽  
Dada Patil ◽  
Bhushan Patwardhan ◽  
Rabindra K Nanda
Keyword(s):  
Quality Control ◽  
High Performance ◽  
Raw Materials ◽  
High Performance Liquid Chromatographic ◽  
Raw Material ◽  
Terminalia Arjuna ◽  
Hplc Fingerprint ◽  
Ayurvedic Drugs ◽  
Quality Control Tool ◽  
Liquid Chromatographic

Abstract Because Ayurvedic herbal preparations contain a myriad of compounds in complex matrixes, it is difficult to establish quality control standards for raw materials and to standardize finished Ayurvedic drugs. A novel, accurate, and valid fingerprint method was developed using HPLC for quality control of a traditional Ayurvedic Arjuna churna formulation, which is used as a cardiotonic drug. Comprehensive comparison of chromatograms of standardized formulation of Arjuna churna and marketed formulations revealed eight characteristic peaks in chromatograms, which unambiguously confirmed the presence of authentic raw material used in the formulation on the basis of their retention time values and UV data. An HPLC fingerprint was also developed for total sapogenins present in Terminalia arjuna. The six common peaks observed in chromatograms of isolated sapogenins, standardized formulations, and marketed formulations can serve as a quality control tool for qualitative estimation of total saponin glycosides present in an Arjuna churna formulation.

Quality Control of Litchi chinensis Leaf: a Potential Raw Material for Cosmetic Industry

2020 ◽  
Vol 30 (1) ◽  
pp. 139-144
Author(s):  
Liliani C. Thiesen ◽  
Sabrina L. Zonta ◽  
Caroline Regina Ferreira Sobral ◽  
Rene A. Ferreira ◽  
Rodrigo Sant’Ana ◽  
...  
Keyword(s):  
Quality Control ◽  
Raw Material ◽  
Litchi Chinensis ◽  
Cosmetic Industry

scholarly journals Differentiation of Cyanthillium cinereum, a smoking cessation herb, from its adulterant Emilia sonchifolia using macroscopic and microscopic examination, HPTLC profiles and DNA barcodes

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Kannika Thongkhao ◽  
Veerachai Pongkittiphan ◽  
Thatree Phadungcharoen ◽  
Chayapol Tungphatthong ◽  
Santhosh Kumar J. Urumarudappa ◽  
...  
Keyword(s):  
Quality Control ◽  
Smoking Cessation ◽  
Microscopic Examination ◽  
Dna Barcode ◽  
Species Level ◽  
Raw Material ◽  
Phytochemical Analysis ◽  
Dna Barcodes ◽  
Leaf Base

Abstract Cyanthillium cinereum (L.) H.Rob. is one of the most popular herbal smoking cessation aids currently used in Thailand, and its adulteration with Emilia sonchifolia (L.) DC. is often found in the herbal market. Therefore, the quality of the raw material must be considered. This work aimed to integrate macro- and microscopic, chemical and genetic authentication strategies to differentiate C. cinereum raw material from its adulterant. Different morphological features between C. cinereum and E. sonchifolia were simply recognized at the leaf base. For microscopic characteristics, trichome and pappus features were different between the two plants. HPTLC profiles showed a distinct band that could be used to unambiguously differentiate C. cinereum from E. sonchifolia. Four triterpenoid compounds, β-amyrin, taraxasterol, lupeol, and betulin, were identified from the distinct HPTLC band of C. cinereum. The use of core DNA barcode regions; rbcL, matK, ITS and psbA-trnH provided species-level resolution to differentiate the two plants. Taken together, the integration of macroscopic and microscopic characterization, phytochemical analysis by HPTLC and DNA barcoding distinguished C. cinereum from E. sonchifolia. The signatures of C. cinereum obtained here can help manufacturers to increase the quality control of C. cinereum raw material in commercialized smoking cessation products.

Non Invasive Analysis of Natural Resin Extracts

1998 ◽  
Vol 6 (A) ◽  
pp. A211-A214 ◽  
Author(s):  
M. Ionita-Manzatu ◽  
I. Scarlat ◽  
M. Vasilescu ◽  
M. Puica ◽  
G. Blagoi ◽  
...  
Keyword(s):  
Quality Control ◽  
Nir Spectroscopy ◽  
Poor Quality ◽  
Biologically Active ◽  
Raw Material ◽  
Reflection Spectra ◽  
Standard Methods ◽  
Non Invasive ◽  
Natural Resin ◽  
The Poor

The NIR reflection spectra of some purified conifer resin extracts used as a biologically active ingredient in pharmaceutical ointments were employed to reveal the possibility of applying NIR spectroscopy to quality control. The samples were analysed beforehand (by HPLC and compendial methods) in order to characterise them. The fingerprint of this raw material was achieved by using the standard methods recommended by the NSAS operating protocol (for the spectrometer delivered by NIRSystems Inc.). The poor quality samples were also tested by means of same protocol, the limits of method being pointed out.

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