Christian S. Cuesta-Riaño, Maria P. Castro-Guascaa, M. P. Tarazona-Díaz
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Anthocyanin Extract from Blackberry Used as an Indicator of Hydrogen Potential
ABSTRACT Anthocyanins are present in blackberries and can be used in the food industry as visual indicators that allow understanding the color variations related to the quality of a food. The purpose of this study was evaluated castilla blackberry (Rubus glaucus Benth) and wild blackberry (Rubus adenotrichos) were assessed considering the type of raw material; fresh and lyophilized (22°C, 4.3 mbar, 7 days), pretreatment with microwaves (2450 MHz, 30s) and extraction method; conventional and assisted by ultrasound (300 W, 10 min) in the extraction of monomeric anthocyanins. The lyophilized raw material, the use of microwaves and ultrasound-assisted extraction extract more anthocyanins. The extracts changed color accordingly to pH, presenting colorations from red to green.
期刊介绍：
The International Journal of Fruit Science disseminates results of current research that are immediately applicable to the grower, extension agent, and educator in a useful, legitimate, and scientific format. The focus of the journal is on new technologies and innovative approaches to the management and marketing of all types of fruits. It provides practical and fundamental information necessary for the superior growth and quality of fruit crops.
This journal examines fruit growing from a wide range of aspects, including:
-genetics and breeding
-pruning and training
-entomology, plant pathology, and weed science
-physiology and cultural practices
-marketing and economics
-fruit production, harvesting, and postharvest
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