By Amrit Pal Singh
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Additional resources for A Treatise on Phytochemistry
Melting point: 198 deg C. Biological activity: Antifeedent. 96: Structure of Tephrosin Theabine Source: Papaver somniferum. Molecular formula: C19 H21 NO 3. 41. Melting point: 193 deg C. Biological activity: Spinal excitant. 97: Structure of Theabine Theobromine Source: Theobroma cocoa. Molecular formula: C7 H8 N4O 2. 19. Melting point: 350 deg C. Biological activity: Bronchodilator.
Melting point: 257 deg C. 50 : Structure of Harmine Hetisine Source: Aconitum heterophyllum. HCL. Molecular weight: 365. Melting point: 290 deg C. Solubility: A. Soluble in water. Biological activity: The alkaloid has shown antiarrhytmic activity in animal models. 51: Structure of Hetisine Hetratisine Source: Aconitum heterophyllum. Molecular formula: C22 H33 N O5. Molecular weight: 391. Melting point: 259-260 deg C. Solubility: A. Soluble in chloroform and methanol. B. Partially soluble in acetone and ethanol.
Solubility: A. Soluble in water and alcohol. Biological activity: Cholinesterase inhibitor. 86:Structure of Physostigmine Piperidine Source: Piper nigrum. Molecular formula: C5 H11 N. 1 7. Melting point: 8 deg C. Solubility: A. Readily soluble in water. Biological activity: Antihelmintic. 87: Structure of Piperidine Piperine Source: Piper nigrum. Molecular formula: C17 H19 NO3. 37. 5 deg C. Solubility: A. Soluble in alcohol, acetic acid and chloroform. B. Slightly soluble in water. C. Insoluble in water.
A Treatise on Phytochemistry by Amrit Pal Singh