I'm surprised nobody popped open the 1e DMG. On page 116-117, it has a list of ingredients requried for potions.
Animal Contol - Organ or gland from representative type or types to be controlled
Clairaudience - Human or simian thalamus gland or ear from an animal with keen hearing
Clairvoyance - Human or simian thalamus gland or eye from an animal with keen sight
Climbing - Giant insect legs
Delusion - Doppleganger flesh or rakshasa ichor
Diminuation - Powdered kobold horn and wererat blood
Dragon Control - Brain of the appropriate dragon type
ESP - Mind flayer brain
Extra-healing - troll blood (or hair of a saint if a cleric is creating the potion)
Fire Resistance - Fire elemental phlogiston or salamander scales
Flying - Hippogriff feathers and wyvern blood
Gaseous Form - Vampire dust or ogre magi teeth
Giant Control - Brain of an appropriate giant type
Giant Strength - Drops of sweat from appropriate giant type
Growth - Ogre magi gland
Healing - Ogre magi blood (or thread of a saint's garment if a cleric is creating the potion)
Heroism - Heart of a lion or similar giant cat
Human Control - Vampire eye or nixie blood
Invisibility - Invisible stalker ichor
Invulnerability - Gargoyle horn or lycanthrope skin
Levitation - Beholder eye (from stalk) or will-o-wisp essence
Longevity - Dragon blood and treant sap or elf blood
Oil of etherealness - Shedu fat or demon brain
Oil of slipperiness - Purple worm gland or liver of giant pike
Philter of love - Dryad hair
Philter of persuasiveness - Harpies' tongues or devil tongue
Plant Control - Shreiker spores and umber hulk eye
Polymorph Self - Mimic skin or succubus hair
Speed - Pegasus heart and giant weasel blood
Super-Heroism - Giant wolverine blood and minotaur heart
Sweet Water - Water elemental eye or triton blood
Treasure Finding - Gold dragon scale and six different powdered gems
Undead Control - Dust of freshly destroyed spectres or vampire brain or ghost ectoplasm or lich tongue
Water Breathing - Water naga blood or nixie organs
Sure, it'd take a little conversion, but I think it's a decent list... especially since it only required a glance at the index to find it
