Extracting flavonoid compounds from <em>Toona sinensis</em> leaves

BI Li-jun

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Volume 17 Issue 2

Sep. 2018

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Article Navigation > Journal of Zhejiang A&F University > 2000 > 17(2): 146-149

BI Li-jun. Extracting flavonoid compounds from Toona sinensis leaves[J]. Journal of Zhejiang A&F University, 2000, 17(2): 146-149.

Citation:

BI Li-jun. Extracting flavonoid compounds from Toona sinensis leaves[J]. Journal of Zhejiang A&F University, 2000, 17(2): 146-149.

Extracting flavonoid compounds from Toona sinensis leaves

BI Li-jun

1.
Department of Food Science and Engineering , Hangzhou Institute of Commerce , Hangzhou 310005, China

Received Date: 1999-07-15
Rev Recd Date: 1999-12-23
Publish Date: 2000-06-20

Abstract

Using a method applying alcohol soltion as extraction solvent in cooperation with ultrasonic wave in extraction techniques of flavonoid compounds in Toona sinensis leaves , discussing the primary factors which influences extraction ratio , and analyzing preferable extraction techniques by variance analysis and orthogonal design , the results show that a general extraction ratio reaches 96.47 % after soaking 1.00 g sample in 50 mL 50 % alcoholsolution for 24 h with application of ultrasonic wave for 45 min and repeating again .The extracting ratio of flavonoids is 7.45 %in the leaves and 5.40 % in the leafstalk .The volume percentage of alcohol is a predominant factor for extraction ratio .Application time of ultrasonic wave have certain influence while solvent quantity shows little influence on extraction ratio .
- Toona sinensis,
- leaves,
- flavonoid compounds,
- extraction,
- ultrasonic waves,
- orthogonal design

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Extracting flavonoid compounds from Toona sinensis leaves

BI Li-jun

1. Department of Food Science and Engineering , Hangzhou Institute of Commerce , Hangzhou 310005, China

Received Date: 1999-07-15
Rev Recd Date: 1999-12-23
Publish Date: 2000-06-20

Key words:

Abstract: Using a method applying alcohol soltion as extraction solvent in cooperation with ultrasonic wave in extraction techniques of flavonoid compounds in Toona sinensis leaves , discussing the primary factors which influences extraction ratio , and analyzing preferable extraction techniques by variance analysis and orthogonal design , the results show that a general extraction ratio reaches 96.47 % after soaking 1.00 g sample in 50 mL 50 % alcoholsolution for 24 h with application of ultrasonic wave for 45 min and repeating again .The extracting ratio of flavonoids is 7.45 %in the leaves and 5.40 % in the leafstalk .The volume percentage of alcohol is a predominant factor for extraction ratio .Application time of ultrasonic wave have certain influence while solvent quantity shows little influence on extraction ratio .

BI Li-jun. Extracting flavonoid compounds from Toona sinensis leaves[J]. Journal of Zhejiang A&F University, 2000, 17(2): 146-149.

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BI Li-jun. Extracting flavonoid compounds from Toona sinensis leaves[J]. Journal of Zhejiang A&F University, 2000, 17(2): 146-149.

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