Toxicity of tobacco Nicotiana tabacum Linnaeus (Solanaceae) leaf extracts to the rice weevil Sitophilus oryzae Linnaeus 1763 (Coleoptera: Curculionidae)

The Journal of Basic and Applied Zoology

Table 2 Phytochemical compounds in the chloroform and acetone leaf extract of Nicotiana tabacum

Compound name	Retention time (in min)	Molecular weight (g/mol)	Molecular formula
Nicotine	12.67	162.23	C₁₀H₁₄N₂
Nicotinonitrile	12.37	104.11	C₆H₄N₂
Nornicotine	15.93	148.20	C₉H₁₂N₂
Nicotinic acid	13.73	123.11	C₆H₅NO₂
Neonicotine	14.06	162.23	C₁₀H₁₄N₂
Cotinine	16.50	176.21	C₁₀H₁₂N₂O
Indole	12.52	117.15	C₈H₇N
Farnesol	17.88	222.37	C₁₅H₂₆O
Sclareol	16.55	308.50	C₂₀H₃₆O₂
9,12-octadecadienoic acid	29.67	280.40	C₁₈H₃₂O₂
Squalene	31.44	410.70	C₃₀H₅₀
Palmitic acid	23.24	256.42	C₁₆H₃₂O₂
15-tetracosenoic acid methyl ester	32.37	380.60	C₂₅H₄₈O₂