acetic acid plus naoh net ionic equation
Acetic Acid Bacteria 1
Ngày tải lên :
16/09/2012, 23:41
... produce acetic acid industrially.
Acetic acid bacteria are commonly associated with some
fruits such as grape and are normally present in must
deteriorated fruits. These have more acetic acid ... strains are overoxidizer that could convert acetic acid to
carbon dioxide and water.In this research one Acetobacter native
strain with high acetic acid productivity was isolated from Iranian ...
Keywords—
Acetobacte, acetic acid bacteria, white – red cherry,
food and agriculture biotechnology, industrial fermentation, vinegar.
I. I
NTRODUCTION
INEGAR is defined as a 4% acetic acid solution...
- 4
- 648
- 0
Acetic Acid Bacteria 2
Ngày tải lên :
16/09/2012, 23:41
... hoá chất ñắt tiền, khó kiếm.
Tài liệu tham khảo
[1] J. B. Brian, Wood, The Lactic Acid Bacteria,
The Lactic Acid Bacteria in Health and Disease.
Elsevier Applied Science, London and New
York, ... “Comparison of two strains of
Lactobacillus acidophilus as dietary adjuncts for
young calves”, J. Dairy Sci. 63 (1980) 964.
Study on characteristics of lactic acid bacteria isolated
in Hanoi
Mai ... were selected which have properties of
Lactobacillus.7
- 10 selected strains producing lactic acid strongly (over 200
0
T), were able to inhibit the growth of
some bacteria such as Shigella,...
- 6
- 606
- 0
Acetic Acid Bacteria - screening of LAB strains
Ngày tải lên :
16/09/2012, 23:45
... growth in NaCl lactic acid culture was treated with 17% ( /v) of 80%
6.5% was determined according to methods for lactic trichloroacetic acid solution and centrifuged at
acid bacteria [13]. 16,000-x ... by lactic acid bacteria isolate Table 2: Continued
Exopolysa 42 L.fructvorans FW 29.0 "Wara" 0.0
-ccarides Occurrence 43 L.helveticus HF1 50.1 "Fura" 50.0
Lactic acid bacteria ... Salminen, S. and Von Wright., 1993. Lactic Acid
and C.T. Verrips, 1993. Isolation, screening and Bacteria. Marcel Dekker Inc., New York.
identification of lactic acid bacteria from traditional 22. Olukoya,...
- 7
- 651
- 1
Tài liệu Báo cáo khoa học: Crystal structure of thiamindiphosphate-dependent indolepyruvate decarboxylase from Enterobacter cloacae, an enzyme involved in the biosynthesis of the plant hormone indole-3-acetic acid doc
Ngày tải lên :
20/02/2014, 11:20
... indole-
3 -acetic acid. Can. J. Microbiol. 42, 207–220.
5. Koga, J., Syono, K., Ichikawa, T. & Adachi, T. (1994) Involve-
ment of 1-tryptophan aminotransferase in indole-3 -acetic acid
biosynthesis ... Genet. 243, 463–472.
12.Carreno-Lopez,R.,Campos-Reales,N.,Elmerich,C.&Baca,
B.E. (2000) Physiological evidence for differently regulated tryp-
tophan-dependent pathways for indole-3 -acetic acid ... DNA-binding
proteins involved in regulation of the gene expression of indole-3-
pyruvic acid decarboxylase, a key enzyme in indole-3 -acetic acid
biosynthesis in Azospirillum lipoferum FS. Biosci. Biotechnol.
Biochem....
- 10
- 557
- 0
Báo cáo khoa học: Studies on structure–function relationships of indolepyruvate decarboxylase from Enterobacter cloacae, a key enzyme of the indole acetic acid pathway ppt
Ngày tải lên :
08/03/2014, 02:20
... substrates indole-3-pyruvic
acid, pyruvic acid, benzoylformic acid, and seven benzoyl-
formic acid analogues was investigated using a continuous
optical assay. Stopped-flow kinetic data showed no indica-
tion ... of
cucumbers, produces large amounts of indole-3 -acetic acid.
Indolepyruvate decarboxylase, the key enzyme in the
biosynthetic pathway of indole-3 -acetic acid, catalyses the
formation of indole-3-acetaldehyde ... -independent path-
ways of indole-3 -acetic acid synthesis have been described
[5,6]. Plants use several mechanisms to control levels of the
active auxin indole-3 -acetic acid. Thus, during different
developmental...
- 10
- 430
- 0
Separation of acetic acid and water by distillation effect of calcium chloride addition
Ngày tải lên :
05/05/2014, 08:42
... Behavior
of
Acetic Acid- Water
System
Pressure,
760
mm.
Hg
iich
region
but
only
to
about
30
weight
%
in
the
acid- rich
range.
For
any
particular
run,
the
acetic
acid- water ...
equilibrium
of
the system acetic acid- watercalcium
chloride at
1
atmosphere. These data were obtained with
a view
to
ascertaining the possibility
of
separating acetic
acid and water under ...
method, the water is removed overhead and the acetic acid- wood
oil bottoms mixture is separated by
a
second distillation under
vacuum.
The aqueous acetic acid solution to be separated is very fre-...
- 4
- 422
- 0
Anaerobic thermophilic fermentation for acetic acid production from milk permeate
Ngày tải lên :
05/05/2014, 08:44
... yield of acetic acid
observed in the co-culture, 0.81 g g
−1
, was
higher than the yield obtained (0.73 g g
−1
) when
lactose was sequentially converted to lactic acid,
then to acetic acid in ... be converted to acetic acid in this co-cul-
ture if the ethanol produced could also be con-
verted to acetic acid or if the heterofermentation
could be shifted to homolactic acid fermenta-
tion. ... Improvement of productivity
in acetic acid fermentation with Clostridium ther-
moaceticum. Appl. Biochem. Biotechnol. 51/52, 413–422.
Talabardon, M., 1999. Acetic acid production from milk
permeate...
- 10
- 438
- 0
nghiên cứu tuyển chọn các chủng vi khuẩn có khả năng sinh indol acetic acid (iaa) tại xã cưm’lan, huyện easoup, tỉnh đăk lăk
Ngày tải lên :
19/06/2014, 09:41
...
Tryptophan là một acide amin ñồng thời là tiền chất của IAA. Sự tương ñồng
về cấu trúc của acid indol-3 -acetic và acid amin Tryptophan là cơ sở cho giả ñịnh
auxin có phải ñược tổng hợp từ acid amin ... vật, cả thực
vật bậc thấp và thực vật bậc cao [13].
1.2.1. Sơ ñồ cấu tạo IAA.
Indole-3 -acetic acid (IAA)
1.2.2. Sự phân bố của IAA.
IAA phân bố rộng trong thế giới từ vi khuẩn ñến thực ...
CAO BÌNH
NGHIÊN CỨU TUYỂN CHỌN CÁC CHỦNG VI KHUẨN
CÓ KHẢ NĂNG SINH INDOL ACETIC ACID (IAA) TẠI
XÃ CƯM’LAN, HUYỆN EASOUP, TỈNH ĐĂK LĂK
LUẬN VĂN THẠC SĨ SINH...
- 95
- 712
- 0
Nghiên cứu ảnh hưởng của acid citric, acid acetic, acid lactic đến hiệu quả khử khoáng và một số tính chất cơ bản của collagen trong qui trình thu nhận collagen bằng phương pháp hóa
Ngày tải lên :
30/07/2014, 02:46
... nguồn nguyên liệu này là rất cần thiết. Như vậy đề tài
“Nghiên cứu ảnh hưởng của acid Citric, acid Acetic, acid Lactic đến hiệu quả khử khoáng
và một số tính chất cơ bản (khả năng giữ nước, ... 42
+ M
+
+H
+
Ngoài ra Ion [H
+
] của acid sẽ xúc tác quá trình thủy phân triglyceride thành Glycerin,
Acid béo. Các acid béo trên dễ dàng khuếch tán ra môi trường và bị loại ... [H
+
] còn có tác dụng phá vỡ tế bào phân giải protein:
Protein Polypeptid Pepton Peptid Acid amin
Các acid amin trên cũng khuếch tán ra môi trường và bị loại bỏ trong quá trình rửa trung
tính....
- 69
- 1K
- 2
Báo cáo khoa học: "Electroacupuncture ameliorates experimental colitis induced by acetic acid in rat" doc
Ngày tải lên :
07/08/2014, 17:23
... normal group and the colitis
+ EA group, implying that EA has an anti-inflammatory
effect on the acetic acid- induced experimental colitis (Fig. 2).
Colonic smooth muscle motility
All colonic segments ... Sci.
(2004),
/
5
(3), 189–195
Electroacupuncture ameliorates experimental colitis induced by
acetic acid in rat
Jeoung-Woo Kang
1
, Tae-Wan Kim
2
, Jun-Ho La
1
, Tae-Sik Sung
1
, Hyun-Ju Kim
1
, ... investigated in Sprague-Dawley rats. Colitis was
induced by intracolonic instillation of 4% acetic acid. EA (2
Hz, 0.05 ms, 2 V for 20 min) was applied to bilateral Hoku (LI-
4) and Zusanli (ST-36)...
- 7
- 175
- 0
Báo cáo sinh học: " Ethanol and acetic-acid tolerance in Indian geographical populations of Drosophila immigrans" pps
Ngày tải lên :
09/08/2014, 18:21
...
utilise
acetic
acid
in
a
parallel
way
to
that
of ethanol.
The
longevity
data
revealed
parallel
but
lesser
effect
of
acetic- acid
utilisation.
The
data
on
acetic- acid
threshold
values, ...
and
acetic
acid
seem
to
be
correlated
with
the
concentrations
of
these
2
metabolites
in
natural
food
resources.
Thus,
intra-specific
differences
for
ethanol
and
acetic- acid ...
heterogeneity
was
observed
for
different
acetic- acid
concentrations.
The
correlation
was
found
to
be
significant
between
latitude
and
adult
acetic- acid
tolerance
(r
=
0.97).
The
present
study...
- 11
- 251
- 0
Báo cáo sinh học: " Parallel selection of ethanol and acetic-acid tolerance in Drosophila melanogaster populations from India" pot
Ngày tải lên :
09/08/2014, 18:21
...
3c).
Adult
acetic- acid
tolerance
The
south
Indian
population
of
Madras
revealed
the
minimum
value
of
LT50
acetic
acid/ LT
SO
control
(1.0)
compared
with
higher
LT50
acetic
acid/ LT
50
...
to
3%
acetic
acid
(fig
2b).
The
adult
acetic- acid
threshold
values
also
revealed
latitudinal
clines
in
the
range
of
3.7
to
13.2
(table
I).
The
LC50
acetic- acid
concentrations ...
melanogaster
revealed
significant
parallel
genetic
divergence
in
their
potential
to
utilise
ethanol
and
acetic
acid.
The
parallel
utilisation
of
ethanol
and
acetic
acid
in
Indian
tropical
and...
- 10
- 229
- 0
Báo cáo sinh học: "Ethanol and acetic-acid tolerances in Drosophila melanogaster: similar maternal effects in a cross between 2 geographic races" potx
Ngày tải lên :
14/08/2014, 19:22
...
discussed.
ethanol
tolerance
/
acetic- acid
tolerance
/
ADH
polymorphism
/
maternal
genotype
effect
/
geographic
races
Résumé -
Tolérances
à
l’éthanol
et
à
l’acide
acétique
chez
Drosophila ...
crosses
between
European
and
Afrotropical
flies.
The
similarity
between
ethanol
and
acetic- acid
tolerances
suggests
that
the
ACS
activity
could
be
involved.
But
the
tolerance ...
partly
due
to
differences
in
ADH
activity
and
Adh
Original
article
Ethanol
and
acetic- acid
tolerances
in
Drosophila
melanogaster:
similar
maternal
effects
in
a
cross
between...
- 9
- 159
- 0
