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Council of Scientific and Industrial Research

Zandu Pharmaceutical Works Ltd.

Om Prakash Suri

Sukhdev Swami Handa

Naresh Kumar Satti

Krishan Avtar Suri

Kasturi Lal Bedi

Anamika Khajuria

Vikram Bhardwaj

Vishwa Nath Gupta

Anpurna Kaul

Ulhas Salunkhe

Girish G Parikh

Raman Krishnamurthy

Prabhakar Kulhar

Ghulam Nabi Qazi

Vijai Kant Agnihotri

Shri Gopal Agarwal

Rajinder Kumar Thappa

The present invention relates to an efficient method for the extraction of high stability, superior quality, value added, standardized, ready-to-use saffron pigments and flavor concentrate, the process comprising steps of mixing saffron with one food-grade solvent or a combination of more than one food graded-solvents, macerating and agitating the mixture with continuance protection from light condition, centrifuging the macerated mixture to remove undesirable fibrous plant material, cooling the centrifuge immediately, lyophilizing the cooled centrifuge under reduced pressure to obtain crude material, isolating the concentrate by column chromatography, and obtaining brilliant orange color shining saffron pigments and flavor concentrate with recovery of about 95%, and use of the saffron pigments and flavor concentrate of range between 0.05 to 3% in food, pharmaceutical, and allied industries for flavor, and color.

Method for the extraction of saffron pigments and flavor concentrate

The present invention relates to a process for the isolation of a novel oligospirostanoside structurally constructed as 3-0-&lsqb;&agr;-L-rhamnopyranosyl-(1&rarr;2)-&agr;-L-rhamnopyranosyl-(1&rarr;4)-0-&bgr;-D-glucopyranosyl&rsqb;-25(S)-5&bgr; spirostan-3&bgr;-ol isolated from and biologically evaluated as a potent immunomodulatory agent.

Process for the isolation of novel oligospirostanoside

The present invention relates to a novel oligospirostanoside having the structure 3-0-&lsqb;&agr;-L-rhamnopyranosyl-(1&rarr;2)-&agr;-L-rhamnopyranosyl-(1&rarr;4)-0-&bgr;-D-glucopyranosyl&rsqb;-25(S)-5&bgr;-spirostan-3&bgr;-ol isolated from and to a pharmaceutical composition containing the novel oligospirostanoside and to a method for immunomodulation using said oligospirostanoside by administering a pharmaceutically effective amount of said novel oligospirostanoside.

Oligospirostanoside, pharmaceutical composition containing novel oligospirostanoside and method for immunomodulation using said oligospirostanoside

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Jammu, India

Om Prakash Suri