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来源：百度知道 编辑：UC知道 时间：2024/05/14 02:29:05
Ram horn peptone as a source of citric acid production
by Aspergillus niger, with a process
The present study deals with the production of citric acid from a ram horn peptone (RHP) by Aspergillus niger NRRL 330. A medium from RHP and a control medium (CM) were compared for citric acid production using A. niger in a batch culture. For this purpose, first, RHP was produced. Ram horns were hydrolyzed by treatment with acids (6 N H2SO4, 6 N HCl) and neutralizing solutions. The amounts of protein, nitrogen, ash, some minerals, total sugars, total
lipids and amino acids of the RHP were determined.
RHP was compared with peptones with a bacto-tryptone
from casein and other peptones. The results from
RHP were similar to those of standard peptones. The
optimal concentration of RHP for the production of
citric acid was found to be 4% (w/w). A medium prepared
from 4% RHP was termed ram horn peptone
medium (RHPM). In comparison with CM, th
by Aspergillus niger, with a process
The present study deals with the production of citric acid from a ram horn peptone (RHP) by Aspergillus niger NRRL 330. A medium from RHP and a control medium (CM) were compared for citric acid production using A. niger in a batch culture. For this purpose, first, RHP was produced. Ram horns were hydrolyzed by treatment with acids (6 N H2SO4, 6 N HCl) and neutralizing solutions. The amounts of protein, nitrogen, ash, some minerals, total sugars, total
lipids and amino acids of the RHP were determined.
RHP was compared with peptones with a bacto-tryptone
from casein and other peptones. The results from
RHP were similar to those of standard peptones. The
optimal concentration of RHP for the production of
citric acid was found to be 4% (w/w). A medium prepared
from 4% RHP was termed ram horn peptone
medium (RHPM). In comparison with CM, th
内存非洲之角蛋白胨作为来源的柠檬酸生产
由黑曲霉，同一个进程
本研究报告涉及的生产柠檬酸，从RAM的角蛋白胨（ rhp ）由黑曲霉nrrl 330 。一个中等从rhp和一个控制中等顾问医生（社会医学）进行了比较，为柠檬酸生产用黑曲霉在分批培养。为此，第一， rhp制作。 RAM的牛角被水解处理与酸（ 6个不适用硫酸， 6个不适用盐酸） ，并中和解决办法。数额的蛋白质，氮，灰分，一些矿产，总糖，总
血脂及氨基酸的rhp进行了测定。
rhp比较peptones与bacto - tryptone
由酪蛋白和其他peptones 。结果
rhp相似，这些标准peptones 。该
最佳浓度的rhp用于生产
柠檬酸被发现是百分之四（宽/ W ）等。一个中等准备
从4 ％ rhp被称为RAM的角蛋白胨
中等（ rhpm ） 。对比厘米，内容
柠檬酸rhpm肉汤（ 84 g / L ）的600多天
35 ％ ，高于厘米肉汤（ 62 g / L ）的。这些结果
表明，柠檬酸能生产出高效
黑曲霉，从RAM的喇叭。
关键词黑曲霉西元农业废弃物西元