Extraction of selected prohealth substances from Curcuma longa and Zingiber officinale in artificial digestive juices

BACKGROUND The study determined the content of selected bioelements, toxic metals and phenolic acids occurring in Curcuma longa L. and Zingiber officinale Rosc. Natural raw materials in the form of powder, slices, dried and fresh rootstock, tablets and capsules were analyzed. To determine the actual...

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Published in:Journal of the science of food and agriculture Vol. 102; no. 6; pp. 2371 - 2386
Main Authors: Krakowska, Agata, Kała, Katarzyna, Rospond, Bartłomiej, Szewczyk, Agnieszka, Opoka, Włodzimierz, Muszyńska, Bożena
Format: Journal Article
Language:English
Published: Chichester, UK John Wiley & Sons, Ltd 01.04.2022
John Wiley and Sons, Limited
Subjects:
agriculture
artificial juices
Bioavailability
Calcium
Copper
Curcuma - chemistry
Curcuma longa
Digestion
Dry weight
Gastric juice
Ginger
Humans
intestines
Iron
Juices
macronutrients
Magnesium
Manganese
Metals
micronutrients
organic compounds
Phenolic acids
Phenols
Raw materials
Rhizome - chemistry
Rhizomes
rootstocks
toxicity
turmeric
Weight
Zinc
Zingiber officinale
Zingiber officinale - chemistry
Zingiberaceae
macronutrients
micronutrients
organic compounds
artificial juices
Zingiberaceae
ISSN:0022-5142, 1097-0010, 1097-0010
Online Access:Get full text
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Summary:BACKGROUND The study determined the content of selected bioelements, toxic metals and phenolic acids occurring in Curcuma longa L. and Zingiber officinale Rosc. Natural raw materials in the form of powder, slices, dried and fresh rootstock, tablets and capsules were analyzed. To determine the actual bioavailability of the metals and phenolic acids present in the raw materials, they were extracted into artificial digestive juices (artificial gastric and intestinal juices). RESULTS The maximum amounts of bioelements found in turmeric were as follows (mg kg−1 dry weight): Ca, 1911; Cu, 10.4; Fe, 248; K, 123; Mg, 1896; Mn, 181; Na, 332; Zn, 242. On the other hand, the maximum amounts of these bioelements found in ginger were as follows (mg kg−1 dry weight): Ca, 287; Cu, 7.4; Fe, 113; K, 2903; Mg, 1162; Mn, 11.3; Na, 1678; Zn, 186. It was found that bioelements from all the tested samples of raw materials were released to artificial digestive juices. CONCLUSION The amount of substances extracted to digestive juices from the analyzed raw materials varied depending on their form. The highest content of bioelements was found in the fresh rhizomes of turmeric and ginger. On the other hand, powdered rhizome was characterized by the highest bioavailability of elements for humans. © 2021 Society of Chemical Industry
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ISSN:0022-5142
1097-0010
1097-0010
DOI:10.1002/jsfa.11575