Category "chemistry"

Why do some creams/fats whip better than others?

Wikipedia makes whipped cream look very simple: gas bubbles are trapped in the fat and create a colloid. However, we all know that you can easily come across "w

How to bake baking soda to produce sodium carbonate?

I'd like to make sodium carbonate for ramen noodles. The instructions on the web however vary greatly. One source says to bake baking soda at 350 degrees for 2-

cooldown chemistry of seasoning cast iron with flaxseed

So I have started seasoning cookware with thin layers of flaxseed oil as per the advice from @sheryl_canter with simply outstanding results. Thank you Sheryl! I

Would refrigeration lengthen shelf life for this water sweetener?

Ingredients: vegetable glycerin, purified water, citric acid, malic acid, natural flavor, stevia leaf extract, sodium citrate. Container is about 2-3 ounces.

What specific sugars are found in apple cider, apple juice, and apple cider vinegar?

My wife has a chronic, not-very-well-understood GI condition that includes hyper-sensitivity to certain foods. We're looking to more information about the chem

Why does rapeseed oil turn sticky but coconut oil doesn't?

Whenever I season my cast iron pan with canola/rapeseed oil it turns sticky after a few weeks. It also gets sticky on the bottle and glues the cap on sometimes.

What's a good syrup for home-made chocolate?

I make my own chocolate from cocoa powder, cocoa butter, and syrup. The ingredients I was using a while ago were fine, I had success tempering and got the righ

Matzoon and lactose chemistry

Could you make matzoon from lactose free milk? Or, are sour bacteria eating it away to unproblematic amount in terms of lactose intolerance? https://en.m.wikip

Properties of potassium carbonate as leavening agent

We have a gingerbread recipe calling for potassium carbonate (vulgo baking potash). One year I replaced the baking potash with baking soda 1:1. It worked fine.

How to remove hardened dough from hair?

Besides cutting the hair or applying conditioner or oils, what else can be done to remove hardened dough from hair? Would vinegar dissolve hardened flour? Up

What influence does the properties of fat in vegetable oil affect emulsification of oil?

I am trying to make vegan mayonnaise. In my first attempt I used soy milk and corn oil as the major ingredients. I tried adding lemon juice instead of vinegar a

How does pH and temperature affect emulsification of vegetable oils?

This question discussed about how the molecular properties of the fat in vegetable oil affect emulsification in the making of Mayonnaise. The answer in there su

How are powdered emulsifiers (such as monoglycerides) prepared for use in cooking and baking?

Recently I picked up a few different types of emulsifiers in bulk powder form when I saw them in passing at a catering wholesaler. Having never used powdered

how to calculate a standard drink from the alcohol percentage?

Part science, part arithmetic question. For alcohol with proof x what volume constitutes a single drink? Defining a standard drink as 14 grams of alcohol: ht

GIving that alcoholic taste to yeast-leavened cakes (panettones)

For the last 3 new year evenings I've tried to make panettones (both chocolate and fruit ones) and my recipe is getting better, with the last one being the firs

What are food additives that help popsicle/shaved ice melt slower?

What are food additives that help popsicle/shaved ice melt slower? Simple popsicle ingredients: water, sugar, flavoring I used agar agar and gelatin before,

Why boil sugar for lemonade? [duplicate]

I've started making home lemonade recently and all the recipes boil about one cup of sugar in one cup of water. I never questioned that until

What kind of mixture(colloid) is a roux?

One of my coworkers had a curious question the other day: what kind of mixture or colloid is a roux? For example, whipped cream is a foam, mayonnaise is an emul

Is Erythritol acid or alkaline and what is it's pH compared to brown sugar?

Is Erythritol acid or alkaline and what is it's pH compared to brown sugar? In many baking recipes, baking soda is added together with acidic ingredients, such

Is it a bad idea to pour water on a pan without letting it cool off? [duplicate]

Obviously I have enough common sense to not add pour water into boiling oil, but after the cooking is done I try to add water to the pan so it