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You don't need sophisticated equipment to do simple extracts and tinctures. Heck you could do it in yr own kitchen! Just sterilize all containers and maintain a high level of hygiene. But if you are going into steam/membrane extraction and distillation methods, then yes you do need some sophisticated kit.

Anyways thanks for the info; I'm aware of what they purportedly state to be their components. At any rate, the holy grail of a lifelike banana flavoring is still out of reach. One cannot totally avoid the chemical high notes at this stage. But whoever manages to develop a real banana flavor stands to make a lot of money...seriously!!
As far as I'm concerned, you did the right thing by tossing the brown colored nic. Chances are the brown stuff would have imparted more bitterness to your juice, and maybe even modulated some of the other flavors adversely. I may be generalizing, but I've gone thru 5 shades of nic from different suppliers. They ranged from a very light tinge of yellow to dark brown. the lighter colored nics always made for better juice while the darkest ones affected flavor (all were used in the same batch of the same recipe).
If I'm not mistaken, Cynara is that strawberry cheesecake flavor that came with a free kayfun five pawns atty. I tasted that at Vape Empire SS15 last month. 3 puffs on my dripper was more than I could tahan.

Hehe..that susu basi is probably a malted milk flavoring, which I absolutely loathe and refuse to use.

Another potential contributor to that "susu basi" taste is improperly stored flavorings, or those that are not laku and may have expired. Unscrupulous sellers will just keep on flogging them off, or worse still sell them in bulk cheap-cheap to eager brewers who want to save some money.

I'm not gonna point fingers, but it's best to have some self-imposed ethics. I'll never use a flavor that is going bad, nor will I mix any juice which I am not willing to vape myself.
Some juices which are high in VG will be harder to wick because of the increased viscosity, and that may cause burned wicks. Also if the sweetener content is high, that will lead to accumulation of carbonized sugar on the coil, which leads to faster degradation of your cotton.