|Table of Contents|

Effects of Extractant and Sampling Time on the Quality of Free Amino Acids in Pepper

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2024年16
Page:
87-95
Research Field:
Publishing date:

Info

Title:
Effects of Extractant and Sampling Time on the Quality of Free Amino Acids in Pepper
Author(s):
ZHANG Ting1WANG Xueyan1GUO Qinwei1LI Chaosen1ZHOU Caijun1WENG Shuizhen2
(1.Quzhou Academy of Agricultural and Forestry Sciences,Quzhou,Zhejiang 324000;2.Kecheng District Centre for the Development of Characteristic Industries,Quzhou,Zhejiang 324100)
Keywords:
extractantsampling timepepperfree amino acids
PACS:
S 641.3
DOI:
10.11937/bfyy.20240792
Abstract:
Pepper varieties ‘Yulong Jiao’ and ‘Qujiao No.3’ were used as experimental materials,0.1% dilute hydrochloric acid,75% ethanol,10% trichloroacetic acid and distilled water were used as the extraction solvents,to study the influence of different extraction solvents on extraction quality of the free amino acid from peppers.At the same time,the effects of sampling time on free amino acids were analyzed,in order to provide reference for quality identification of the amino acids of pepper.The results showed that the kinds and contents of free amino acids extracted by different solvents were basically similar,except the content of glutamic acid was obviously different,and the most suitable free amino acid extractant for capsicum fruit is distilled water.The species of free amino acids were the same in different growth and development stages,but the contents of free amino acids were significantly different,and the accumulation patterns of free amino acids in different pepper varieties were also significantly different,the maximum accumulation of free amino acids in ‘Qujiao No.3’ appeared mainly on the 5th and 35th days,while the maximum accumulation of free amino acids in Yulong pepper appeared on the 5th and 40th days,therefore,the suitable harvest time of ‘Qujiao No.3’ was 35 days after anthesis,while that of ‘Yulong Jiao’ was 40 days after anthesis.

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Last Update: 2024-09-04