| Raw plants products, selected from Krolls | |
| If the Art. No is blue (51-183), press for picture | |
| O | |
| Art. No. | English |
| 50-236 | Oak bark crushed |
| 51-715 | Oak bark cut |
| 50-862 | Oak bark powder |
| 50-112 | Oak seed roasted powder |
| 50-442 | Oat powder |
| 50-478 | Oat straw cut |
| 51-182 | Oat straw powder |
| 50-985 | Oat straw powder - steamtreated |
| 51-236 | Oat whole |
| 51-030 | Oat yellow straw cut |
| 51-401 | Oat yellow straw powder |
| 51-074 | Oat yellow straw powder - steamtreated |
| 51-644 | Okoubaka bark whole |
| 50-099 | Olive leaf cut |
| 51-383 | Olive leaf fine cut |
| 51-135 | Olive leaf powder |
| 50-399 | Olive leaf powder - steamtreated |
| 50-830 | Olive leaf whole |
| 51-687 | Onion coarse rubbed |
| 50-282 | Onion in Slices |
| 50-552 | Onion peel |
| 51-473 | Onion peel powder |
| 50-344 | Onion powder |
| 51-446 | Onion roasted cut |
| 50-602 | Opopanax |
| 51-588 | Oragano herb cut |
| 50-648 | Oragano herb powder |
| 51-860 | Oragano herb whole |
| 50-907 | Orange bitter leaf cut |
| 51-298 | Orange bitter leaf whole |
| 50-694 | Orange bitter peel cut |
| 51-932 | Orange bitter peel in quarters |
| 50-161 | Orange bitter peel powder |
| 51-952 | Orange bitter peel powder - steamtreated |
| 50-524 | Orange bitter peel whole |
| 50-305 | Orange flower cut |
| 51-563 | Orange flower whole |
| 50-111 | Orange fruit in Slices |
| 51-777 | Orange fruit powder |
| 50-180 | Orange peas cut |
| 51-884 | Orange peas powder |
| 50-739 | Orange peas powder - steamtreated |
| 51-804 | Orange peas whole |
| 50-863 | Orange sweet leaf cut |
| 50-237 | Orange sweet leaf whole |
| 51-183 | Orange sweet peel cut |
| 50-986 | Orange sweet peel fine cut |
| 50-098 | Orange sweet peel powder |
| 51-497 | Origanum cretian herb powder |
| 51-031 | Origanum cretian herb rubbed |
| 51-714 | Orris root peeled cut |
| 50-785 | Orris root peeled powder |
| 51-237 | Orris root peeled whole |