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Abstract

INFLUENCE OF SOME PRECURSORS SUPPLEMENT ON GROWTH AND PRODCUTION OF ALPHATOCOPHEROL AND PIGMENTS IN CALLUS AND CELL SUSPENSION CULTURES OF CARTHAMUS TINCTORIUS L.

Dr. Smita Chavan*1and Prof. Tukaram Nikam

ABSTRACT

The present study examined the effects of precursors (pyruvic acid,
ferulic acid and cinnamic acid) on growth and alphatocopherol and
pigment (yellow and red) prodcutions in Carthamus tinctorius callus
and cell suspension cultures. The callus and cell suspension growth
and alphatocopherol and pigment contents improved significantly on
Murashige and Skoog (MS) medium (solid and liquid) containing 50.0
μM α-naphthalene acetic acid (NAA) and 2.5 μM 6-
Benzylaminopurine (BAP) at 28 days of incubation period.
Incorporation of 50 μM pyruvic acid significantly enhanced the
production of alphatocopherol (17.8-fold) and yellow pigment (2.0-
fold). Similarly, supplementation of 70 μM pyruvic acid enhanced 13.4 fold red pigment in
callus culture. Among precursors, cinnamic acid (10 μM), significantly improved production
of yellow (4.6 fold) and red pigment (3.4 fold) in cell suspension culture. However,
precursors feeding suppress the biomass of cell culture and production of alphatocopherol in
cell suspension culture. The present study reports improved productions of alphatocopherol
and the pigments as a stress response of safflower callus and cell suspension cultures exposed
to these precursors.

Keywords: Carthamus tinctorius, callus and cell suspension culture, cinnamic acid, pyruvic acid, ferulic acid


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