Table 9.
Other metabolites and their biological activities.
| Name | Rice Part Used for Isolation | Biological Activity and Function | Ref. |
|---|---|---|---|
| (E,E)-2,4-Heptadienal (261) | Whole phants | Antibacterial and antifungal activities, toxic to rice plants | [120] |
| (Z)-3-Hexen-1-ol (262) | Leaves | - | [66] |
| Orizaanthracenol = 1-Methoxyanthracen-2-ol (263) | Hulls | Strong inhibitory activity in seed germination of radish | [121] |
| 1-Hydroxy-7-((2S,3R,4R,5S)-2″,3″,4″-trihydroxy-5″-(hydroxymethyl)tetrahydro-2H-pyran-1-yloxy)anthracen-2-yl 3′,7′-dimethyloctanoate (264) | Hulls | Weak inhibitory activity in seed germination of radish | [121] |
| 1-Hydroxy-7-((2S,3R,4R,5S)-2″,3″,4″-trihydroxy-5″-(hydroxymethyl)tetrahydro-2H-pyran-1-yloxy)anthracen-2-yl 3′,7′,11′,15′,19′-pentamethyltricosanoate (265) | Hulls | Weak inhibitory activity in seed germination of radish | [121] |
| (5S)-5-(Acetyloxy)-3-(1-methylenthyl)-2-cyclohexen-1-one = 3-Isopropyl-5-acetoxycyclohexene-2-one-1 (266) | Leaves | Allelopathic activity | [55] |
| Seedlings | Allelopathic effects | [40] | |
| cis-12-oxo-Phytodienoic acid (267) | Whole plants | Inducible anti-insect activity | [122] |
| 1-Phenyl-2-hydroxy-3,7-dimethyl-11-aldehydic-tetradecane-2β-d-glucopyranoside (268) | Hulls | Herbicidal activity | [108] |
| α-Tocopherol (269) | Bran | Antioxidative, antihypercholesterolemic, anticancer, neuroprotective activities | [123] |
| β-Tocopherol (270) | Bran | Antioxidative, antihypercholesterolemic, anticancer, neuroprotective activities | [123] |
| γ-Tocopherol (271) | Bran | Antioxidative, antihypercholesterolemic, anticancer, neuroprotective activities | [123] |
| δ-Tocopherol (272) | Bran | Antioxidative, antihypercholesterolemic, anticancer, neuroprotective activities | [123] |
| α-Tocotrienol (273) | Bran | Antioxidative, antihypercholesterolemic, anticancer, neuroprotective activities | [123] |
| β-Tocotrienol (274) | Bran | Antioxidative, antihypercholesterolemic, anticancer, neuroprotective activities | [123] |
| γ-Tocotrienol (275) | Bran | Antioxidative, antihypercholesterolemic, anticancer, neuroprotective activities | [123] |
| δ-Tocotrienol (276) | Bran | Antioxidative, antihypercholesterolemic, anticancer, neuroprotective activities | [123] |