Results 11 to 20 of about 24,772 (210)

Characterization of Brazilian floral honey produced in the states of Santa Catarina and São Paulo using quantitative nuclear magnetic resonance (qNMR) spectroscopy

Food Chemistry Advances, 2023
This study applied qNMR spectroscopy and chemometrics to metabolically profile polyfloral honey samples collected in southeastern (São Paulo - SP) and southern (Santa Catarina - SC) Brazil, over the 2019–2020 and 2020–2021 harvest seasons. Both 1D and 2D
Aline Nunes, Mauricio Luis Sforça, Silvana Aparecida Rocco, Gadiel Zilto Azevedo, Beatriz Rocha dos Santos, Cristine Vanz Borges, Giuseppina Pace Pereira Lima, Sidnei Moura, Marcelo Maraschin   +8 more
doaj   +1 more source

The Use of SPME-GC-MS IR and Raman Techniques for Botanical and Geographical Authentication and Detection of Adulteration of Honey

Foods, 2021
The aim of this review is to describe the chromatographic, spectrometric, and spectroscopic techniques applied to honey for the determination of botanical and geographical origin and detection of adulteration.
Nefeli Sofia Sotiropoulou, Marinos Xagoraris, Panagiota Kyriaki Revelou, Eleftheria Kaparakou, Charalabos Kanakis, Christos Pappas, Petros Tarantilis   +6 more
doaj   +1 more source

Morphology, physicochemical properties and antioxidant capacity of bee pollens

Czech Journal of Food Sciences, 2019
Six supposedly unifloral bee pollens of various botanical origins were characterised by morphometry, SEM, CIE L*a*b* colour parameters and FTIR spectroscopy. Botanical origin and homogeneity of bee pollens were verified by colour and morphology of pollen
Roman Bleha, Tetiana Shevtsova, Vojtěch Kružík, Ján Brindza, Andrej Sinica   +4 more
doaj   +1 more source

Relationship between botanical origin and antioxidants vitamins of bee-collected pollen

Química Nova, 2009
This study quantified vitamin C, E and β-carotene in samples of fresh bee-collected pollen and correlating them with the botanical origin. Vitamin content varied between 13.5 and 42.5 µg/g for vitamin E; 56.3 and 198.9 µg/g for β-carotene and ...
Karla C. L. S. Oliveira, Marina Moriya, Ricardo A. B. Azedo, Ligia B. de Almeida-Muradian, Erica W. Teixeira, Maria L. T. M. F. Alves, Augusta C. de C. C. Moreti   +6 more
doaj   +1 more source

Antioxidants Discovery for Differentiation of Monofloral Stingless Bee Honeys Using Ambient Mass Spectrometry and Metabolomics Approaches

Foods, 2023
Stingless bee honey (SBH) is a natural, sweet product produced by stingless bees (Meliponini tribe) that has been used as a traditional medicine to treat various illnesses.
Wei Chean Chuah, Huei Hong Lee, Daniel H. J. Ng, Ai Ling Ho, Mohd Rosni Sulaiman, Fook Yee Chye   +5 more
doaj   +1 more source

Hawaiian Propolis: Comparative Analysis and Botanical Origin

Natural Product Communications, 2014
Propolis is a resinous mixture of substances collected and processed from various botanical sources by honeybees ( Apis mellifera ). We recently obtained Hawaiian propolis, the study of which, to our knowledge, has not been reported.
Saori Inui, Takahiro Hosoya, Shigenori Kumazawa   +2 more
doaj   +1 more source

Fungal Diversity and Over-Represented Non-Nectariferous Plants Pollen in Honey. Case Study on Acacia Honey Authenticity, Analyzed in APHIS Laboratory

Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies, 2020
Pollen analysis is the basic method for the determination of the botanical and geographical origin of honey. However, the presence of over-represented pollen in honeys may lead to false results of the analysis.
Otilia BOBIŞ, Daniel Severus DEZMIREAN, Victoriţa BONTA, Adriana Cristina URCAN, Adela Ramona MOISE, Rodica MĂRGĂOAN   +5 more
doaj   +1 more source

NMR Metabolite Profiling in the Quality and Authentication Assessment of Greek Honey—Exploitation of STOCSY for Markers Identification

Foods, 2022
Honey is a natural, healthy commodity and is probably among the most complex foods produced by nature. It is the oldest recorded and certainly the only natural sweetener that can be used by humans without any further processing. Nowadays, the increase in
Gabriela Belén Lemus Ringele, Stavros Beteinakis, Anastasia Papachristodoulou, Evangelos Axiotis, Emmanuel Mikros, Maria Halabalaki   +5 more
doaj   +1 more source

Botanical origin of West Pomeranian Honeys

Acta Biologica, 2015
Melisopalinological studies were carried out on 24 samples of honeys from bee-keepers affiliated in the Regional Association of Beekeepers in Szczecin. Honeys were obtained in 2014.
Aleksandra Kruczek, Alina Stacewicz
doaj   +1 more source

Gas chromatography - mass spectrometry system applied to determine botanical origin of various types of edible vegetable oils [PDF]

Journal of the Serbian Chemical Society, 2019
This study represents a new strategy for discrimination of 59 samples of various cold-pressed, virgin and refined edible vegetable oils according to the corresponding botanical origin.
Pastor Kristian, Vujasinović Vesna, Marjanović-Jeromela Ana, Vujić Đura, Jovanović Đorđe, Ačanski Marijana   +5 more
doaj   +1 more source