STUDY ON EXTRACTION AND STABILITY OF PIGMENT FROM BLUEHONEYSUCKLE
Shiping Wang
Abstract
Shiping Wang
Abstract
The extraction of bluehoneysuckle red pigment and the stability to sunlight,heat,oxidant and reductant and so on.were studied.The results showed as follows.The optimum conditions of extraction were extraction agent of 0.01 %HCl-60 % alcohol,ratio of sample to extraction agent of 1:10,temperature of 30 ℃and time of 3 h.The maximum absorption wave-length of extractives was 520 nm.The solution of bluehoneysuckle pigment was unstable to sunlight,heat,oxidant.But it was stable to low temperature,reductant relatively.
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The extraction of bluehoneysuckle red pigment and the stability to sunlight,heat,oxidant and reductant and so on.were studied.The results showed as follows.The optimum conditions of extraction were extraction agent of 0.01 %HCl-60 % alcohol,ratio of sample to extraction agent of 1:10,temperature of 30 ℃and time of 3 h.The maximum absorption wave-length of extractives was 520 nm.The solution of bluehoneysuckle pigment was unstable to sunlight,heat,oxidant.But it was stable to low temperature,reductant relatively.
Key concepts: Pigment, Extraction (chemistry), Sunlight, Chemistry, Absorption (acoustics), Chromatography, Alcohol, Nuclear chemistry