108 hasil
Menampilkan 1–20 · 0,10 detik · RSS
Tạp chí Kiểm nghiệm và An toàn thực phẩm
ISSN 2615-9252 · National Institute for Food Control · 108 artikel di indeks
-
Artikel Jurnal
Determination of total dietary fiber, soluble dietary fiber, and insoluble dietary fiber in foods using an enzymatic-gravimetric-liquid chromatographic method
Dietary fiber has been widely recognized for its beneficial effects on human health. Consequently, fiber is increasingly incorporated into dietary supplements and functional foods to enhance daily fiber intake. However, quality control of these products remains challenging due to the structural…
-
Artikel Jurnal
Development and validation of a qPCR method for quantification of Spodoptera exigua nucleopolyhedrovirus in plant protection products
Spodoptera exigua multiple nucleopolyhedrovirus (SeMNPV) is an important biological control agent widely used as an eco-friendly alternative to chemical pesticides for managing Spodoptera exigua. The efficacy of SeMNPV-based plant protection products strongly depends on the concentration of viral…
-
Artikel Jurnal
Simultaneous determination of some heterocyclic amines (HCAs) in processed foods by liquid chromatography tandem mass spectrometry (LC-MS/MS)
Heterocyclic amines (HCAs) are a group of more than 25 chemical compounds containing at least one heterocyclic ring, often produced during the processing of foods such as meat and fish at high temperatures. HCAs have been shown to be carcinogenic and mutagenic. The International Agency for Research…
-
Artikel Jurnal
Machine learning based on UV-Vis full spectra for the simultaneous determination of curcumin, demethoxycurcumin, bisdemethoxycurcumin in Curcuma longa L.
This study has developed a rapid and simple method based on the UV-Vis full spectra coupled with machine learning for the quantitative prediction of curcumin, demethoxycurcumin and bisdemethoxycurcumin in turmeric rhizomes. The UV-Vis spectral data and HPLC quantification results of the individual…
-
Artikel Jurnal
Method development for simultaneous analytical method for ten ginsenosides in soft-gel dietary supplements containing Panax spp. by LC-MS/MS
A liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) method was developed for the simultaneous quantification of ginsenosides Rb1, Rb2, Rc, Rd, Re, Rf, Rg1, Rg3, notoginsenoside R1 and majonoside R2 in dietary supplement products containing ginseng. A Waters ACQUITY UPLC BEH C18…
-
Artikel Jurnal
Extraction of astaxanthin from Haematococcus pluvialis microalgae using a biphasic solvent system
This study focused on the effect of a two-solvent immiscible system consisting of 0.2M H2SO4 solution and ethyl acetate - hexane mixture for rapid extraction and recovery of astaxanthin and its derivatives from Haematococcus pluvialis (H. pluvialis). The effect of changing the composition of…
-
Artikel Jurnal
Preliminary study on distinguishing commercial orange juices based on chemical composition analysis at the laboratory scale
Orange juice is among the most consumed fruit juices worldwide, valued for its nutritional and sensory qualities. However, due to its high economic value, orange juice is also one of the most vulnerable commodities to adulteration, particularly through dilution or substitution with cheaper…
-
Artikel Jurnal
Determination of the glycaemic index (GI) of corn noodles
The study was conducted to determine the glycaemic index (GI) of corn noodles. The study was conducted on 14 healthy adult volunteers, applying the method according to TCVN 10036: 2013 (ISO 26642: 2010). Data were processed using Microsoft Excel software and the results were evaluated according to…
-
Artikel Jurnal
Study of product development as a syrup from Ha Giang oranges
Ha Giang oranges are a local agricultural product that famous for their fresh, juicy taste and rich nutrition. Due to the natural characteristics of the fruit, the natural preservation time is not long and depend on the season which makes them difficult to promote, to use in long term as well as to…
-
Artikel Jurnal
Research on pre-treatment method in the process of separating bioactive peptides from silkworm
Bioactive peptides are short amino acid sequences involved in regulating key physiological processes, including cellular signaling and metabolic functions. Despite their small size, these peptides demonstrate high specificity and significant biological activity through receptor interactions…
-
Artikel Jurnal
Research on process technology of herbal tea from Kadsura coccinea (Lem.) A. C. Smith fruit
Kadsura coccinea is a valuable medicinal source in traditional medicine. They have sedative and sleepinducing effects, helping to treat chronic enteritis, acute gastritis and duodenal ulcers, rheumatism, bone pain, etc. K. coccinea contain many biologically active substances belonging to the lignin…
-
Artikel Jurnal
Evaluation of the ability to control ammonium, nitrate and nitrite in water using membrane filtration technology
Domestic water sources in rural areas could be polluted by ammonium, nitrite and nitrate. These compounds affected to human health. Therefore, development of membrane filtration system to control the above pollution parameters is essential. In this study, a lab-scale membrane filtration system was…
-
Artikel Jurnal
Electrochemical sensor for α-amylase determination using porous graphene on a flexible substrate
α-Amylase is an endo-acting enzyme that hydrolyzes α-1,4-glucan linkages in starch and has broad applications in the beverage, food, and biomedical industries. Conventional quantification techniques (e.g., spectroscopy, ELISA) typically require expensive instrumentation, complex workflows, and long…
-
Artikel Jurnal
Assessment of the impact of enzymatic hydrolysis temperature and time on recovery yield, anthocyanin content, and sensory quality of sterilized purple rice milk
Purple brown rice is a highly nutritious food source, rich in bioactive compounds, particularly anthocyanins - powerful antioxidants that play a crucial role in health protection. The production of sterilized purple rice milk in glass bottles not only provides a convenient, safe product with an…
-
Artikel Jurnal
Research on the process of creating standard solution of Aflatoxin B1 from peanuts
Aflatoxin B1 (AfB1) is a mycotoxin produced by certain species of Aspergillus such as A. flavus and A. parasiticus, which is highly toxic and classified as group IA – potentially carcinogenic to humans (according to IARC). AfB1 mainly appears in cereals, oilseeds (peanuts, sunflower seeds, corn…
-
Artikel Jurnal
Validation of a real-time polymerase chain reaction method for detecting the nopaline synthase terminator gene in milk-based matrices
The nopaline synthase terminator (T-nos) is a transcriptional termination sequence originally derived from the Ti (tumor-inducing) plasmid of Agrobacterium tumefaciens, a well-known soil bacterium capable of inducing crown gall disease in plants. In plant biotechnology, T-nos is widely employed as…
-
Artikel Jurnal
Knowledge and practice of using plant protection chemicals of vegetable growers in Duyen Ha commune, Thanh Tri district, Hanoi city in 2023 – 2024
Pesticides are increasingly being used in crop production in Vietnam. We conducted a cross-sectional descriptive study on 106 subjects with the aim of describing the current status of knowledge and practices on the use of pesticides among vegetable growers in Duyen Ha commune, Thanh Tri district…
-
Artikel Jurnal
Study on the method of simultaneous determination of some monoglyceride and diglyceride emulsifiers in milk by liquid chromatography-mass spectrometry
This study aims to develop a method for simultaneous determination of some monoglyceride (MG) and diglyceride (DG) emulsifiers including: monoolein (MO), monostearin (MS), monopalmitin (MP), dipalmitin (DP) in milk by liquid chromatography-mass spectrometry. The sample was ultrasonically extracted…
-
Artikel Jurnal
Evaluation of the changes of total flavonoids, soluble solids and sensory quality in the production process of tea bag from polyscias fruticosa leaves
Steroid hormones and endocrine compounds play an important role in regulating body physiology, however, they can pose potential risk to environmental and human health. In this study, a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed to simultaneously analyze eight…
-
Artikel Jurnal
Study on production of reference material for plant protection chemicals: bifenthrin, carbofuran, chlorpyrifos, difenoconazole, imidacloprid in milk powder matrix
Controlling pesticide residues in food is a top concern to ensure consumer health and safety. In testing, reference materials (RM) and certified reference materials (CRM) are essential tools used to calibrate equipment, control quality and confirm the reliability of analytical methods. This study…