KR20170074482A - Method for fermentation of lactic acid bacteria - Google Patents

Method for fermentation of lactic acid bacteria Download PDF

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KR20170074482A
KR20170074482A KR1020150183808A KR20150183808A KR20170074482A KR 20170074482 A KR20170074482 A KR 20170074482A KR 1020150183808 A KR1020150183808 A KR 1020150183808A KR 20150183808 A KR20150183808 A KR 20150183808A KR 20170074482 A KR20170074482 A KR 20170074482A
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South Korea
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lactic acid
acid bacteria
sakei
medium
present
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KR1020150183808A
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Korean (ko)
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KR101848128B1 (en
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송은주
최소라
송영은
한현아
서상영
최민경
이기권
송영주
안민실
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전라북도(농업기술원)
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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20—Bacteria; Culture media therefor
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2500/00—Specific components of cell culture medium
    • C12N2500/70—Undefined extracts
    • C12N2500/76—Undefined extracts from plants

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Wood Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Microbiology (AREA)
  • Biomedical Technology (AREA)
  • Virology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Storage Of Fruits Or Vegetables (AREA)

Abstract

As a method for culturing Kimchi lactic acid bacteria using rice bran as a medium,
Wherein the Kimchi lactic acid bacteria are any one selected from the group consisting of actobacillus sakei C-11, L. sakei M-5, Leuconostoc mesenteroides M-17 and P. inopinatus BK-3. / RTI >

Description

FIELD OF THE INVENTION [0001] The present invention relates to a method for fermentation of lactic acid bacteria,

The present invention relates to a method of fermenting kimchi lactic acid bacteria using rice bran medium, and more particularly, to a fermentation method of lactic acid fermentation of kimchi, wherein the culture rate of kimchi lactic acid bacteria is greatly improved by using rice bran medium.

Functional foods have been attracting attention in recent years as an industry that will grow rapidly as a food industry and a new approach to consumers. Among them, traditional fermented foods such as kimchi, soy sauce, salted fish, and traditional liquor, It is known to have special functionality as it is created.

Among them, kimchi is recognized as one of the world's top 5 health foods by Michelsi as it is rich in vitamins and fiber as well as lactic acid bacteria. Despite the surge in raw material prices due to abnormal temperature and raw material price hikes, Compared to $ 98.4 million, an increase of 10% (Statistics on Agricultural and Fisheries Trade Information). Until now, the traditional fermented food manufacturing process has undergone a natural fermentation process by natural microorganisms. However, in order to produce high quality traditional fermented foods or to standardize the production process, it is preferable to use inoculum starter. Isolation and isolation of useful microorganisms It is necessary to study the quality of processed foods using microorganisms. Recently, attention has been focused on health-oriented foods, and as the food manufacturing method in which natural materials such as ginseng are fermented to lactic acid bacteria and taste, flavor, and physiological activity are known, has emerged as a good material for manufacturing processed foods such as beverages However, many studies on the quality characteristics of fermented products other than carrots and garlic have not been conducted. Especially, the effects of the characteristics of the medium on the presentation of Kimchi lactic acid bacteria have not been fully studied yet.

Accordingly, it is an object of the present invention to provide a new culture medium for culturing Kimchi lactic acid bacteria and a culture method using the same.

The present invention relates to a method for culturing a kimchi lactic acid bacterium using rice bran as a medium, wherein the kimchi lactic acid bacterium is selected from the group consisting of actobacillus sakei C-11, L. sakei M-5, Leuconostoc mesenteroides M-17 and P. inopinatus BK- Which comprises culturing a rice germ LAB culture medium as a culture medium.

According to the present invention, the culture efficiency of the Kimchi lactic acid bacteria can be maximized by using rice bran as a medium.

The objects and advantages of the present invention, and the technical constructions for achieving them, will be clarified with reference to the embodiments described in detail below. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions of the present invention, and these may be changed according to the intention of the user, the operator, or the like. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art to which the present invention pertains. Only. Therefore, the definition should be based on the contents throughout this specification.

The present invention provides a method for culturing Kimchi lactic acid bacteria using rice bran as a medium for culturing Kimchi lactic acid bacteria as described above. That is, the present invention provides a method in which the culture rate is greatly improved by using rice bran as a medium instead of the conventional Lactobacilli MRS (Difco Co., France) medium.

In order to solve the above problems, the present invention provides a functional lactic acid bacterium derived from at least one kimchi selected from the group consisting of Lactobacillus sakei C-11, L. sakei M-5, Leuconostoc mesenteroides M-17 and P. inopinatus BK-3 .

According to one embodiment of the present invention, the L. buchneri BK-1 and P. inopinatus BK-3 exhibit a survival rate of 100% in gastric juice adjusted to pH 2.5, and the P. inopinatus BK-3 is 0.3% oxgall It is propagated in artificial bile acid added.

The growth characteristics of lactic acid bacteria according to the type of rice bran used were as follows.

(Sugar content: 10%, culture at 30 DEG C for 24 hours)

Lactobacillus Per type Viable cell count
(cfu / mL) Lactobacillus Party Viable cell count
(cfu / mL) L. sakei (standard strain) Rice syrup 2.1 × 10 12 L. plantarum CJLP133 Rice syrup 1.6 x 10 12 glucose 9.6 × 10 13 glucose 4.6 × 10 11 oligosaccharide 3.8 × 10 13 oligosaccharide 1.1 × 10 13 P. inopinaus BK-3 Rice syrup 1.4 × 10 17 L. sakei M-5 Rice syrup 4.3 × 10 12 glucose 7.1 × 10 17 glucose 5.5 × 10 13 oligosaccharide 5.0 × 10 15 oligosaccharide 2.5 x 10 12 L. sakei C-11 Rice syrup 4.1 × 10 10 L. mesenteroides M-17 Rice syrup 3.4 × 10 12 glucose 2.4 × 10 12 glucose 1.7 x 10 12 oligosaccharide 2.4 × 10 10 oligosaccharide 1.5 x 10 12

The results of the initial vitality test of the microbial inoculation by the drying method of the lactic acid bacterium growth medium were as follows.

(Incubation time: 6, 24, 30, 48 hours)

Drying method Lactobacillus Maximum vitality required
Culture time (h) Viable cell count
(cfu / mL) Air drying L. mesenteroides M-17 24 2.2 × 10 10 L. sakei M-5 30 4.1 × 10 12 P. inopinaus BK-3 48 4.8 × 10 12 L. sakei C-11 48 2.5 × 10 10 L. plantarum CJLP133 48 3.8 x 10 14 L. sakei (standard commercial strain) 48 1.4 × 10 10 Freeze-dried L. mesenteroides M-17 6 4.1 × 10 10 L. sakei (standard commercial strain) 24 1.7 × 10 10 P. inopinaus BK-3 24 8.2 × 10 10 L. plantarum CJLP133 24 3.2 × 10 12 L. sakei M-5 24 6.2 × 10 10 L. sakei C-11 30 2.3 × 10 10

According to one embodiment of the present invention, the results of the initial microbial activity test for lactic acid bacteria cultured in rice gyoza are as follows.

                                                             (Unit: CFU / ml) Type of lactic acid bacteria 6hr 24hr 30hr 48hr 54hr 72hr Liquid medium P. inopinaus BK-3 2.3 × 10 8 2.4 × 10 10 2.7 × 10 14 5.0 × 10 15 8.8 × 10 15 2.8 × 10 15 1.5 x 10 18 L. sakei C-11 3.4 × 10 8 3.4 × 10 12 9.0 × 10 14 3.0 × 10 15 9.6 × 10 15 8.3 × 10 15 4.1 × 10 17 L. mesenteroides M-17 6.5 x 10 11 1.4 x 10 14 6.9 × 10 14 2.9 × 10 15 9.0 × 10 14 9.1 × 10 15 6.1 × 10 17 L. sakei M-5 1.1 × 10 10 4.0 × 10 10 1.6 x 10 12 3.9 × 10 15 2.1 × 10 15 2.4 × 10 16 9.2 × 10 17

All four kinds of kimchi lactic acid bacteria showed stable bacterial culture ability for 48 hours, especially Leuconostoc Mesenteroides M-17 had excellent initial viability. However, compared with the liquid culture, 50 ~ 500 times less vitality, but it was convenient to store.

The results of the study on the vitality persistence of lactic acid bacteria powder by storage temperature were as follows.

Type of lactic acid bacteria Immediately 1 month 2 months 3 months 4 months 5 months P. inopinaus BK-3 4 ℃ 5.0 × 10 15 9.2 x 10 14 1.1 × 10 15 1.0 × 10 10 5.5 × 10 9 2.0 × 10 6 25 ℃ 1.9 × 10 6 - - - - L. sakei C-11 4 ℃ 3.0 × 10 15 2.5 x 10 14 1.7 × 10 10 2.3 × 10 9 1.6 x 10 8 4.0 × 10 6 25 ℃ 1.9 × 10 6 6.7 × 10 2 1.0 × 10 2 - - L. mesenteroides M-17 4 ℃ 2.9 × 10 15 9.0 × 10 15 1.0 x 10 16 3.2 × 10 10 7.9 × 10 9 2.3 × 10 8 25 ℃ 1.2 × 10 6 - - - - L. sakei M-5 4 ℃ 3.9 × 10 15 1.3 x 10 14 5.0 × 10 8 2.3 × 10 8 2.0 × 10 5 2.0 × 10 6 25 ℃ 1.9 × 10 6 - - - -

In one embodiment of the present invention, glucose is used as a nutrient source for cultivation of functional lactic acid bacteria derived from kimchi, dried at 30 to 32 ° C by blowing air, stored frozen for long-term storage or stored at refrigerator (4 ° C) Month.

Also, the above-mentioned P. inopinatus BK-3 and Leuconostoc mesenteroides M-17 showed a survival rate of 70% or more in the gastric juice adjusted to pH 2.5 and the P. inopinatus BK-3 and Leuconostoc mesenteroides M-17 were 0.3% oxgall- Lt; / RTI >

Claims (1)

As a method for culturing Kimchi lactic acid bacteria using rice bran as a medium,
Wherein the Kimchi lactic acid bacteria are any one selected from the group consisting of actobacillus sakei C-11, L. sakei M-5, Leuconostoc mesenteroides M-17 and P. inopinatus BK-3. .
KR1020150183808A 2015-12-22 2015-12-22 Method for fermentation of lactic acid bacteria KR101848128B1 (en)

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