How to make cannabis tinctures in as little as one hour. Some people take months to do this but the longer you leave it the more chlorophyl you will extract. You can increase the amount of bud for a higher dosage. 4 grams of bud – 2oz of alcohol. Theoretically you can add up to 8 grams of bud – 2 oz of alcohol before you reach the saturation point of alcohol and it really only takes a few minutes to extract cannabinoids with alcohol. Those who have experience making Cannabis oil will know this. If you freeze the bud and the alcohol the extraction works faster.