U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PubAg

Main content area

You searched for: Subject "adulterated products" Remove constraint Subject: "adulterated products"
Start Over

Search

3,050  Search Results

« Previous | 1 - 20 of 3,050 |
Number of results to display per page

Search Results

1. Protein profiling and classification of commercial quinoa grains by MALDI-TOF-MS and chemometrics

Author:
Rocío Galindo-Luján; Laura Pont; Victoria Sanz-Nebot; Fernando Benavente
Source:
Food chemistry 2023 v.398 pp. 133895
ISSN:
0308-8146
Subject:
adulterated products,   etc   ; chemometrics; food chemistry; multivariate analysis; Andes region; Bolivia; Peru;     Show all 7 Subjects
Abstract:
... Quinoa is an Andean grain that is attracting attention worldwide as a high-quality protein-rich food. Nowadays, quinoa foodstuffs are susceptible to adulteration with cheaper cereals. Therefore, there is a need to develop novel methodologies for protein characterization of quinoa. Here, we first developed a matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS) ...
DOI:
10.1016/j.foodchem.2022.133895

2. Recent trends of multi-source and non-destructive information for quality authentication of herbs and spices

Author:
Yulin Xu; Jinyu Zhang; Yuanzhong Wang
Source:
Food chemistry 2023 v.398 pp. 133939
ISSN:
0308-8146
Subject:
adulterated products,   etc   ; electronic sensing; food chemistry; nondestructive methods; prediction; spectroscopy; traceability; vibration;     Show all 8 Subjects
Abstract:
... The growing concerns about the quality and safety of herbs and spices among consumers have increased the demand for technical testing. Recently, non-destructive analysis techniques have been widely studied and applied. Generally, a single technology has certain limitations, which are not enough to fully describe the characteristics of complex products (dynamic or complex structure). Combining non- ...
DOI:
10.1016/j.foodchem.2022.133939

3. Rapid identification of fish species by laser-induced breakdown spectroscopy and Raman spectroscopy coupled with machine learning methods

Author:
Lihui Ren; Ye Tian; Xiaoying Yang; Qi Wang; Leshan Wang; Xin Geng; Kaiqiang Wang; Zengfeng Du; Ying Li; Hong Lin
Source:
Food chemistry 2023 v.400 pp. 134043
ISSN:
0308-8146
Subject:
adulterated products,   etc   ; Raman spectroscopy; atomic absorption spectrometry; fish; food chemistry; models; species identification;     Show all 7 Subjects
Abstract:
... There has been an increasing demand for the rapid verification of fish authenticity and the detection of adulteration. In this work, we combined LIBS and Raman spectroscopy for the fish species identification for the first time. Two machine learning methods of SVM and CNN are used to establish the classification models based on the LIBS and Raman data obtained from 13 types of fish species. Data f ...
DOI:
10.1016/j.foodchem.2022.134043

4. Review: Methods to determine offal adulteration in meat products to support enforcement and food security

Author:
Helen H. Grundy; Lucy C. Brown; Maria Rosario Romero; James A. Donarski
Source:
Food chemistry 2023 v.399 pp. 133818
ISSN:
0308-8146
Subject:
adulterated products,   etc   ; elemental composition; food chain; food chemistry; food security; market value; meat; peptides;     Show all 8 Subjects
Abstract:
... Offal tissues carry a lower market value compared to skeletal meats in some global markets. The inclusion of offal in any meat product in the EU and UK must be declared on the label. While many technologies have been applied to the challenge of determining adulteration with offal in meat products, no single method has been recognised and validated as a reliable test to support legislative requirem ...
DOI:
10.1016/j.foodchem.2022.133818

5. One-class model with two decision thresholds for the rapid detection of cashew nuts adulteration by other nuts

Author:
Glòria Rovira; Carolina Sheng Whei Miaw; Mário Lúcio Campos Martins; Marcelo Martins Sena; Scheilla Vitorino Carvalho de Souza; M. Pilar Callao; Itziar Ruisánchez
Source:
Talanta 2023 v.253 pp. 123916
ISSN:
0039-9140
Subject:
adulterated products,   etc   ; adulterants; cashew nuts; macadamia nuts; models; peanuts; pecans; portable equipment; probability; rapid methods;     Show all 10 Subjects
Abstract:
... A green screening method to determine cashew nut adulteration with Brazilian nut, pecan nut, macadamia nut and peanut was proposed. The method was based on the development of a one-class soft independent modelling of class analogy (SIMCA) model for non-adulterated cashew nuts using near-infrared (NIR) spectra obtained with portable equipment. Once the model is established, the assignment of unknow ...
DOI:
10.1016/j.talanta.2022.123916

6. Rapid identification of escolar (Lepidocybium flavobrunneum) and oilfish (Ruvettus pretiosus) species based on recombinase polymerase amplification

Author:
Ruibin Xie; Juan Zhang; Shuang Wen; Ruiming Zhao; Nan Wang; Ailiang Chen
Source:
Food control 2023 v.144 pp. 109352
ISSN:
0956-7135
Subject:
adulterated products,   etc   ; Lepidocybium flavobrunneum; Ruvettus pretiosus; cross reaction; detection limit; food safety; recombinase polymerase amplification; salmon;     Show all 8 Subjects
Abstract:
... Escolar or oilfish being sold as cod is a worldwide concerning food counterfeiting issue. This study established a simple and rapid real-time recombinase polymerase amplification (RPA) assay for oilfish (Ruvettus pretiosus) and escolar (Lepidocybium flavobrunneum) detection. The assay uses RPA primers and a probe designed for the intraspecific conserved and interspecific regions in the COI and Cyt ...
DOI:
10.1016/j.foodcont.2022.109352

7. Electrochemical investigation of edible oils: Experimentation, electrical signatures, and a supervised learning–case study of adulterated peanut oils

Author:
Anoop C. Patil; Ana Fernández la Villa; Arjun Kesav Mugilvannan; Untzizu Elejalde
Source:
Food chemistry 2023 v.402 pp. 134143
ISSN:
0308-8146
Subject:
adulterated products,   etc   ; absorption; case studies; chromatography; dielectric spectroscopy; electrochemistry; food chemistry; oils; peanuts; principal component analysis;     Show all 10 Subjects
Abstract:
... Traditional approaches to characterize edible oils such as chemical, chromatographic and light absorption techniques are laborious, expensive, and bulky to implement. This paper presents the electrochemical impedance spectroscopy of 13 types of edible oils, a rapid robust approach to characterizing the electrical behavior of oils without sample preparation. This is achieved through probing the oil ...
DOI:
10.1016/j.foodchem.2022.134143

8. Portable NIR spectrometer and chemometric tools for predicting quality attributes and adulteration levels in butteroil

Author:
Maria Lucimar da Silva Medeiros; Yasmin Lima Brasil; Luis Jam Pier Cruz-Tirado; Adriano Freitas Lima; Helena Teixeira Godoy; Douglas Fernandes Barbin
Source:
Food control 2023 v.144 pp. 109349
ISSN:
0956-7135
Subject:
adulterated products,   etc   ; acidity; adulterants; butter; butter oil; chemometrics; food safety; milk fat; prediction; quality control; rapid methods; spectrometers; supply chain; Brazil;     Show all 14 Subjects
Abstract:
... Butteroil is valuable product appreciated for its sensory characteristics, economic importance, and social/cultural significance, as it has similarities in several regions of the world. Due to its high added value, this product is susceptible to adulteration by replacing authentic butteroil with other cheaper fats, or even by expired butteroil. Detection of butteroil adulteration demands chemical ...
DOI:
10.1016/j.foodcont.2022.109349

9. Differential NMR and chromatography for the detection and analysis of adulteration of vetiver essential oils

Author:
Jan Schripsema; Sônia Maria da Silva; Denise Dagnino
Source:
Talanta 2022 v.237 pp. 122928
ISSN:
0039-9140
Subject:
adulterated products,   etc   ; magnetic fields; vegetables;     Show all 3 Subjects
Abstract:
... Adulteration of essential oils is a common and serious problem. Adequate and fast methods are required to establish the authenticity and purity. GC-MS, ¹H and ¹³C NMR were compared in combination with similarity calculations as well as differential spectroscopy and chromatography for the authentication and determination of purity of vetiver essential oils. In the investigation of eight commercial ...
DOI:
10.1016/j.talanta.2021.122928

10. Adulteration of sucrose with citric acid: Effect on reinforcing value, examined using an adjusting-magnitude schedule of reinforcement

Author:
C.M. Bradshaw
Source:
Behavioural processes 2022 v.194 pp. 104551
ISSN:
0376-6357
Subject:
adulterated products,   etc   ; citric acid; models; sucrose;     Show all 4 Subjects
Abstract:
... According to the Multiplicative Hyperbolic Model (MHM), the value of a reinforcer is an increasing hyperbolic function of its size (q). Recently reported results indicated that dilution of a sucrose solution reduced its reinforcing value by increasing the ‘size-sensitivity’ parameter of this function and reducing its maximum. The present experiment examined whether adulterating a sucrose solution ...
DOI:
10.1016/j.beproc.2021.104551

11. The fishmeal adulteration identification based on microscopic image and deep learning

Author:
Jie Geng; Jing Liu; Xianrui Kong; Bosheng Shen; Zhiyou Niu
Source:
Computers and electronics in agriculture 2022 v.198 pp. 106974
ISSN:
0168-1699
Subject:
adulterated products,   etc   ; agriculture; electronics; fish meal; models;     Show all 5 Subjects
Abstract:
... The fishmeal adulteration identification based on microscopic image and deep learning was studied in this paper, which included the qualitative identification and component recognition of adulterated fishmeal. Mobilenetv2 was chosen as the qualitative identification model to distinguish between fishmeal samples and adulterated samples. And the accuracy, precision, recall, and F1-measure of the tes ...
DOI:
10.1016/j.compag.2022.106974

12. Authentication of carnaroli rice by HRM analysis targeting nucleotide polymorphisms in the Alk and Waxy genes

Author:
Liliana Grazina; Joana Costa; Joana S. Amaral; Cristiano Garino; Marco Arlorio; I. Mafra
Source:
Food control 2022 v.135 pp. 108829
ISSN:
0956-7135
Subject:
adulterated products,   etc   ; cost effectiveness; exons; food safety; introns; rice;     Show all 6 Subjects
Abstract:
... Carnaroli is a high quality and priced variety, being considered as one of the finest Italian rice varieties due to its sensorial and rheological properties and, thus being a potential adulteration target. The present work aimed at exploiting polymorphisms in the Alk (A/G and GC/TT in exon 8) and Waxy ((CT)n and G/T in intron 1) genes by HRM analysis to differentiate Carnaroli rice from closely re ...
DOI:
10.1016/j.foodcont.2022.108829

13. Detection and Quantitation of Adulterated Paprika Samples Using Second-Order HPLC-FLD Fingerprints and Chemometrics

Author:
Xiaodong Sun; Min Zhang; Pengjiao Wang; Junhua Chen; Shengjun Yang; Peng Luo; Xiuli Gao
Source:
Foods 2022 v.11 no.15 pp. -
ISSN:
2304-8158
Subject:
adulterated products,   etc   ; chemometrics; cultivars; fluorescence; liquid chromatography; paprika; prediction;     Show all 7 Subjects
Abstract:
... Paprika is a widely consumed spice in the world and its authentication has gained interest considering the increase in adulteration cases in recent years. In this study, second-order fingerprints acquired by liquid chromatography with fluorescence detection (HPLC-FLD) were first used to detect and quantify adulteration levels of Chinese paprika samples. Six different adulteration cases, involving ...
DOI:
10.3390/foods11152376

14. Honest nutraceuticals, cosmetics, therapies, and foods (NCTFs): standardization and safety of natural products

Author:
Nicholas John Sadgrove
Source:
Critical reviews in food science and nutrition 2022 v.62 no.16 pp. 4326-4341
ISSN:
1549-7852
Subject:
adulterated products,   etc   ; cosmetics; dietary supplements; food science; governance; markets; rats;     Show all 7 Subjects
Abstract:
... With the increasing demand for natural products by the consumer in the marketplace it is necessary to see a proportional increase in behind-the-scenes science to ensure that the ideology of safety and honesty, that is justifiably expected by the wider public, is adequately satisfied. It is of essence to have a fair yet firm governance of nutraceuticals, cosmetics, therapies, and foods. However, wi ...
DOI:
10.1080/10408398.2021.1874286

15. Rice authentication: An overview of different analytical techniques combined with multivariate analysis

Author:
Syed Abdul Wadood; Jing Nie; Chunlin Li; Karyne M. Rogers; Abbas Khan; Wahab Ali Khan; Aiza Qamar; Yongzhi Zhang; Yuan Yuwei
Source:
Journal of food composition and analysis 2022 v.112 pp. 104677
ISSN:
0889-1575
Subject:
adulterated products,   etc   ; cultivars; food composition; multivariate analysis; provenance; rice; spectroscopy;     Show all 7 Subjects
Abstract:
... The authenticity of rice has become an important issue over the last few years. Many techniques have been employed in rice authentication including geographical origin, cultivar discrimination, organic rice authenticity, and impurities detection in rice. This review paper is attempted to highlight the current literature (past twenty years) on the discrimination and authentication of rice using dif ...
DOI:
10.1016/j.jfca.2022.104677

16. Simultaneous screening of 21 potential adulterants in dietary supplements for the treatment of prostate diseases using ultra‐performance liquid chromatography and liquid chromatography‐electrospray ionization‐tandem mass spectrometry

Author:
Nam Sook Kim; Hwan Seong Choi; Na Young Lim; Hyungil Kim; Sun Young Baek
Source:
Journal of separation science 2022 v.45 no.2 pp. 551-569
ISSN:
1615-9306
Subject:
adulterated products,   etc   ; detection limit; hyperplasia; separation; therapeutics; ultra-performance liquid chromatography;     Show all 6 Subjects
Abstract:
... Reports of the number of adulteration cases using illegal therapeutic substances in dietary supplements have increased. In recent years, various dietary supplements are being distributed that exaggerate the efficacy of treatment for prostate‐related diseases. To develop the preemptive monitoring method, we selected 21 prostate‐related therapeutic substances and optimized the simultaneous ultra‐per ...
DOI:
10.1002/jssc.202100661

17. Tracing the origin of honey products based on metagenomics and machine learning

Author:
Shanlin Liu; Dandan Lang; Guanliang Meng; Jiahui Hu; Min Tang; Xin Zhou
Source:
Food chemistry 2022 v.371 pp. 131066
ISSN:
0308-8146
Subject:
adulterated products,   etc   ; DNA barcoding; algorithms; food chemistry; honey; metagenomics; pollen; provenance;     Show all 8 Subjects
Abstract:
... The adulteration of honey is common. Recently, High Throughput Sequencing (HTS)-based metabarcoding method has been applied successfully to pollen/honey identification to determine floral composition that, in turn, can be used to identify the geographical origins of honeys. However, the lack of local references materials posed a serious challenge for HTS-based pollen identification methods. Here, ...
DOI:
10.1016/j.foodchem.2021.131066

18. Using a quantum dot bead-based lateral flow immunoassay to broadly detect the adulteration of PDE-5 inhibitors in functional foods

Author:
Mingshu Song; Qin Wu; Beibei Liu; Pan Li; Lan Jiang; Yulong Wang; Sa Dong; Yonghua Xiong; Bruce D. Hammock; Cunzheng Zhang
Source:
Analytical methods 2022 v.14 no.26 pp. 2586-2595
ISSN:
1759-9679
Subject:
adulterated products,   etc   ; detection limit; haptens; honey; immunoassays; monoclonal antibodies; quantum dots;     Show all 7 Subjects
Abstract:
... In this study, a designed hapten possessing the classic structure of PDE-5 inhibitors was synthesized. A monoclonal antibody (mAb) with broad recognition for six PDE-5 inhibitors was further produced. For the determination of lodenafil, methisosildenafil, mirodenafil, udenafil and tadalafil, the limit of detection (LOD) and IC₅₀ ranged from 1.01 to 26.91 ng mL⁻¹ and 12.75 to 278 ng mL⁻¹, respectiv ...
DOI:
10.1039/d2ay00580h

19. Detection of kerosene adulteration in automobile fuel by a low-loss surface plasmon resonance (SPR) chemical sensor

Author:
Lin Yang; Ying Shi; Zao Yi; Xinping Song; Jingwei Lv; Paul K. Chu; Chao Liu
Source:
Analytical methods 2022 v.14 no.22 pp. 2153-2160
ISSN:
1759-9679
Subject:
adulterated products,   etc   ; automobiles; computer software; gasoline; gold; kerosene; surface plasmon resonance;     Show all 7 Subjects
Abstract:
... A surface plasmon resonance (SPR) chemical sensor with gold as the sensitive material has been designed to detect the adulteration of petrol by kerosene. Samples of petrol adulterated with kerosene were prepared in different ratios by volume (v/v). Kerosene concentrations ranging from 0% to 80% can be detected by monitoring the optical spectra, and the properties of the sensor were analyzed using ...
DOI:
10.1039/d2ay00508e

20. Meta-analysis data of the accuracy of tests for meat adulteration by real-time PCR

Author:
Aisha N. Iskakova; Gulyaim K. Abitayeva; Arman B. Abeev; Zinigul S. Sarmurzina
Source:
Data in Brief 2022 v.41 pp. 107972
ISSN:
2352-3409
Subject:
adulterated products,   etc   ; computer software; meat; meta-analysis; quantitative polymerase chain reaction;     Show all 5 Subjects
Abstract:
... Adulteration of meat products, including illegal substitution and addition of ingredients, tampering, and the misrepresentation and labelling of food or food ingredients, is becoming a more serious problem globally. The consequences of such manipulations can pose various health risks for consumers, including food allergies and poisoning. This study investigates the problem of meat product adultera ...
DOI:
10.1016/j.dib.2022.107972