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Study on Extraction Technology of Pectin From Stachys floridana Schuttl.ex Benth and Its Physicochemical Properties(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年15期
Page:
132-135
Research Field:
Publishing date:

Info

Title:
Study on Extraction Technology of Pectin From Stachys floridana Schuttl.ex Benth and Its Physicochemical Properties
Author(s):
MA Li-Ping; SUN Jun-jie; WANG Lun-ji; JIU Min; QIU Zhi-jun
College of Food and Bioengineering，Henan University of Science and Technology，Luoyang，Henan 471023
Keywords:
Stachys floridana Schuttl.ex Benth; pectin; ultrasonic; physicochemical properties
PACS:
S632.9
DOI:
-
Abstract:
Taking Stachys floridana Schuttl.ex Benth as material，pectin was extracted by ultrasonicassisted extraction.The effect of ultrasonic power，ultrasonic time and ratio of water to material on the yield of pectin were investigated by orthogonal tests based on single factor experiment，and then physicochemical properties of pectin were further studied.The results showed that the optimum extraction conditions were determined as ultrasonic power 300 W，ultrasonic time 20 min，ratio of liquid to material 40∶1 (V∶W)；under these extraction conditions，the yield of pectin was 20.46%.Galacturonic acid content，the protein content and esterification degree in pectin gained under the optimal conditions were 43.80%，3.63% and 55.56% respectively.

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Last Update: 2014-09-21