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Citation: WANG Ji-Pin, BAI Guang-Xin, LI Jin-Ran, WANG Ye-Bao, LENG Ji-Yan, QIN Jun-Jie. Solvent Extraction for Determination of Blueberry Anthocyanins[J]. Chinese Journal of Analytical Chemistry, ;2012, 40(12): 1952-1953. doi: 10.3724/SP.J.1096.2012.20901 shu

Solvent Extraction for Determination of Blueberry Anthocyanins

1.
¹ The First Hospital of Jilin University, Changchun 130021, China;

Corresponding author: LENG Ji-Yan, QIN Jun-Jie,
Received Date: 5 September 2012
Available Online: 12 October 2012
Fund Project:

A solvent extraction method was developed for the determination of blueberry anthocyanins. The blueberries samples were coarse extracted twice by acid ethanol. After purificated by the AB-8 macroporous resin, the blueberries extract was vacuum dried. The components of blueberries extract were identified by FeCl₃ color reaction and neutral acetic acid lead reaction, and then determined by infrared spectrometry and UV-vis method. The total content of anthocyanins was calculated by pH differential method following by the equation: produce=absorbency×the diluted times of determination spectrophotometry from samples/the quality (g). The results show that the extract of blueberry is part of flavonoids, the extract content is 2.29 mg/g, and the color value is 36.
- Solvent extraction
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