氟对黑茶中的冠突散囊菌和黑曲霉生长的影响

doi:10.13305/j.cnki.jts.2010.03.001

茶叶科学 ›› 2010, Vol. 30 ›› Issue (3): 157-162.doi: 10.13305/j.cnki.jts.2010.03.001

• • 下一篇

氟对黑茶中的冠突散囊菌和黑曲霉生长的影响

关美玲^1,2, 刘素纯^1,3,*, 黄建安^2,4, 刘仲华^2,4, 蒋加拉¹

1. 湖南农业大学食品科技学院,湖南长沙 410128;
2. 湖南农业大学茶学教育部重点实验室,湖南长沙 410128;
3. 食品科学与生物技术湖南省重点实验室,湖南长沙 410128;
4. 国家植物功能成分利用工程技术研究中心,湖南长沙 410128

收稿日期:2009-10-29 修回日期:2010-03-01 发布日期:2019-09-11
通讯作者: liusuchun@163.com
作者简介:关美玲（1984— ）,女,广东佛山人,硕士研究生,研究方向为食品安全与控制。
基金资助:
财政部科教司重点项目（[2006]951）,湖南省重大科技专项（2008FJ1005）,湖南省科技厅科技计划项目（2009nk3108）

Effect of Fluorine on the Growth of Eurotium Cristatum and Aspergillus Niger Fungi Isolated from Dark Tea

GUAN Mei-ling^1,2, LIU Su-chun^1,3,*, HUANG Jian-an^2,4, LIU Zhong-hua^2,4, JIANG Jia-la¹

1. College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, China;
2. The Key Laboratory of Tea Science of Ministry of Education, Inner Hunan Agricultural University, Changsha 410128, China;
3. Hunan Province Key Laboratory of Food Science and Biotechnology, Changsha 410128, China;
4. National Research Center of Engineering and Technology for Utilization of Functional Ingredients from Botanicals, Changsha 410128, China

Received:2009-10-29 Revised:2010-03-01 Published:2019-09-11

摘要/Abstract

摘要： 用单孢子接种,分别通过固体平板培养与液体培养,测定氟对分离自黑茶的6株冠突散囊菌和1株黑曲霉生长的抑制率、菌体生长速率和菌丝生物量,研究氟对各菌株生长的影响。结果表明：6株冠突散囊菌在含氟2 000 mg/L、黑曲霉在含氟1 800 mg/L的固体培养基中能生长。100 mg/L剂量的氟对冠突散囊菌生长的抑制率为0.76%~10.24%,对黑曲霉的抑制率达35.71%。随氟浓度的增加,生长速率变小,抑制率增大。液体培养中,100 mg/L的氟对冠突散囊菌与黑曲霉菌丝生物量的抑制率分别为34.47%、80.59%。冠突散囊菌的子囊孢子与黑曲霉的分生孢子对氟具有较强的耐受性,且两种培养方式表明冠突散囊菌比黑曲霉更耐氟。

关键词: 茯砖茶, 氟, 冠突散囊菌, 黑曲霉

Abstract: Six strains of Eurotium Cristatum fungi marked GF1~GF6 and a strain of Aspergillus niger fungi were isolated from several kinds of dark tea. Preliminary identification of the strains was done by morphology. For the purpose of revealing the influence of fluorine on the six strain of Eurotium Cristatum and one strain of Aspergillus Niger fungi, the growth inhibition rates, mycelial growth rates and mycelial biomass in the treatment of different dosages of fluorine were measured on the plate culture and liquid culture inoculated with single spore. The results showed that six strains of Eurotium Cristatum could grow in 2 000 mg/L fluorine, and Aspergillus niger strain could grow in 1 800 mg/L fluorine under plate culture condition. The growth inhibition rates of Eurotium Cristatum strains ranged from 0.76% to 10.24% while the Aspergillus niger was 35.71% under the dosage of 100 mg/L fluorine. The inhibition rate became higher as the dosage increased. However, the inhibition was more significant under liquid culture condition. The inhibition rate of mycelial biomass of strain GF3 and Aspergillus niger strain under the dosage of 100 mg/L were 34.47%, 80.59% respectively. Ascospore of Eurotium Cristatum and conidia of Aspergillus niger fungi showed more tolerant to fluorine. Also, Eurotium Cristatum strains were more tolerant to fluorine than Aspergillus niger strain both on plate culture and liquid culture.

Key words: fu-brick Tea, fluorine, Eurotium Cristatum, Aspergillus niger

中图分类号:

TS272.5⁺4

关美玲, 刘素纯, 黄建安, 刘仲华, 蒋加拉. 氟对黑茶中的冠突散囊菌和黑曲霉生长的影响[J]. 茶叶科学, 2010, 30(3): 157-162. doi: 10.13305/j.cnki.jts.2010.03.001.

GUAN Mei-ling, LIU Su-chun, HUANG Jian-an, LIU Zhong-hua, JIANG Jia-la. Effect of Fluorine on the Growth of Eurotium Cristatum and Aspergillus Niger Fungi Isolated from Dark Tea[J]. Journal of Tea Science, 2010, 30(3): 157-162. doi: 10.13305/j.cnki.jts.2010.03.001.

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氟对黑茶中的冠突散囊菌和黑曲霉生长的影响

Effect of Fluorine on the Growth of Eurotium Cristatum and Aspergillus Niger Fungi Isolated from Dark Tea

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