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Chemical and physicochemical characterization of orange by‐products derived from industry
Journal of the science of food and agriculture, 2019-01, Vol.99 (2), p.868-876
Pacheco, M Teresa
Moreno, F Javier
Villamiel, Mar
2019
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Pacheco, M Teresa
Moreno, F Javier
Villamiel, Mar
Titel
Chemical and physicochemical characterization of orange by‐products derived from industry
Ist Teil von
Journal of the science of food and agriculture, 2019-01, Vol.99 (2), p.868-876
Ort / Verlag
Chichester, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2019
Quelle
MEDLINE
Beschreibungen/Notizen
BACKGROUND Industrial extraction of orange juice produces a large amount of waste that affects the environment and gives rise to important economic losses; at the same time, information about the composition of the waste is still limited. The present study carried out an exhaustive chemical and physicochemical characterization of the residues in the waste, aiming to increase their potential application for the extraction of functional ingredients. RESULTS Four different products (three solids and one liqueur) were provided by the industry. The overall characterization indicated that carbohydrates comprised the main components. During processing, carbohydrate derivatives were formed such as those corresponding to the initial steps of the Maillard reaction. In this sense, furosine was demonstrated to be a suitable indicator with respect to the control of the process. Although the phenolic content substantially decreased (by up to 57%) as the processing proceeded, the antioxidant capacity was affected to a much lesser extent (∼10%). Dehydrated products were rich in galacturonic acid and hardly any change was detected during their elaboration. The liqueur by‐product was found to have a much higher level of fructose than glucose and sucrose. CONCLUSION Orange juice waste obtained industrially under the conditions described in the present study could be used as a source of pectic derivatives or fructose in the case of solid or liquid by‐products, respectively. The results reported here could diversify the present application of these products as a source of food ingredients, contributing to an improvement in their utilization. © 2018 Society of Chemical Industry
Sprache
Englisch
Identifikatoren
ISSN: 0022-5142
eISSN: 1097-0010
DOI: 10.1002/jsfa.9257
Titel-ID: cdi_proquest_journals_2157901961
Format
–
Schlagworte
antioxidant activity
,
Antioxidants
,
Antioxidants - analysis
,
Carbohydrates
,
Change detection
,
Citrus sinensis - chemistry
,
Dehydration
,
Derivatives
,
Economic impact
,
feed
,
Food production
,
Food sources
,
Fructose
,
Fructose - analysis
,
Fruit - chemistry
,
Fruit juices
,
furosine
,
galacturonic acid
,
Glucose - analysis
,
Industrial Waste - analysis
,
Ingredients
,
Lysine - analogs & derivatives
,
Lysine - analysis
,
Maillard reaction
,
orange by‐products
,
Organic chemistry
,
Phenolic compounds
,
Phenols
,
Phenols - analysis
,
Plant Extracts - analysis
,
Sucrose
,
Sugar
,
Waste Products - analysis
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