Recent Advances in Biosynthesis of Vitamin and Enzyme from Food Grade Bacteria
1. Folic acid (or Vitamin B 9 ): Folic acid, which belongs
Dietary folate is essential for humans, since it cannot
to the B-group of vitamins is also called vitamin
be synthesized by mammalian cells. Folate may be
M. It is important for many metabolic reactions, in
found in legumes, leafy greens, some fruits and
the biosynthesis of DNA and RNA and the inter-
vegetables, in liver and fermented dairy products
conversions of amino acids. Also, folate possesses
(Eitenmiller and Landen, 1999). As suggested by
antioxidant competence that protects the genome by
Wouters et al. (2002), in yogurts the amount of folate
preventing free radical attack (LeBlanc et al. 2011).
may be increased depending on the starter cultures
In fact, the term folate is used to describe folic acid
used and the storage condition to values above
derivatives such as the folyl glutamates which are
200 μg / L. Folate deficiencies are associated with a
naturally present in foods while folic acid that is the
variety of disorders like osteoporosis, Alzheimer’s
chemicallysynthesizedformoffolate,commonlyused
disease, coronary heart diseases and increased risk
for food fortification and nutritional supplements. of breast and colorectal cancer as indicated by the
epidemiological studies (Rossi et al. 2011).
Table 1. Vitamin biosynthesis by LAB and related genera
Vitamin
Producing bacterium/strain
Reference(s)
Folic acid and biotin
Streptococcus thermophiles , Lactobacillus bulgaricus
Bifidobacterium spp., Stre. thermophilus and/or
Lactobacillus delbrueckii subsp. Bulgaricus
Lc. lactis , Stre . thermophilus , Leuconostoc spp.
Lactobacillus spp.
Bifidobacterium spp.
L. helveticus MTCC 5463, L. rhamnosus MTCC Wouters et al. , 2002
5462
Crittenden et al. 2003;
Strozzi and Mogna, 2008
Sybesma et al. , 2003
Pompei et al. , 2007,
D’Aimmo et al. , 2012
Goswami, 2012
Folic acid, thiamin and Vitamin B 3 -nicotinic Bifidobacterium spp. like B. bifidum , B. breve , B. Deguchi et al. , 1985
acid
longum infantis is B. adolescentis
Riboflavin
L. fermentum MTCC 8711
Lactic acid bacteria
Jayashree et al. , 2010
Spano, 2011
Vitamin B 6 (pyridoxine) and Vitamin B 12 B. bifidum , B. breve , B. longum , B. infantis
Marques et al. , 2010
(cobalamin)
Vitamin B 12 (cobalamin)
L. reuteri and other lactobacilli
Propionibacterium shermani
Taranto et al. , 2003
Burgess et al. , 2004
Vitamin B complex
Enterococcus spp.
Bifidobacterium lactis
Keuth and Bisping, 1993
Beitane and Ciprovica,
2012
Vitamin K
Lactococcus ,
Lactobacillus ,
Enterococcus , O’Connor et al. , 2005;
Leuconostoc and Streptococcus
Cooke et al. , 2006
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