Questions tagged [chemistry]

Questions about the chemical composition or properties of ingredients and dishes.

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1answer
46 views

Can one create any flavor combination by breaking down the five modalities of taste into their chemical form and adjusting proportions accordingly?

Can one create any flavor combination by breaking down the five modalities of taste into their chemical form and adjusting proportions accordingly? Namely, if you broke down sweetness, sourness, ...
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2answers
2k views

Cheese soufflé with bread cubes instead of egg whites

In this video: Cheese Soufflé that NEVER Falls! - Chef Jean-Pierre, Chef Jean Pierre proposes an interesting method for making cheese soufflé; instead of folding in beaten egg whites to his custard, ...
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1answer
193 views

Pudding vs. laundry starch - Add water gradually or all at once?

I recently watched a YouTube video "How to use old fashioned starch" by Constance MacKenzie about how laundry was starched in ye olde time. The only relevant information for my question is ...
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2answers
120 views

Good book on the chemistry of cooking?

What is a good book on the chemistry of cooking? I am looking for a book that discusses fermentation chemical reactions and reactions that occur when food is heated.
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1answer
153 views

Do yeast pancakes contain alcohol?

I fed my 2 year old pancakes that required yeast: yeast, mashed banana, warm water, whole wheat and buckwheat flour, and salt. I left the batch in the fridge overnight, and in the morning added a ...
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0answers
17 views

Will adding salt to stainless steel steamer cause pitting? [duplicate]

I have bought a stainless steel pot steaming insert. Will adding salt to food (maybe frozen) when I start cooking it with steam cause pitting of the insert? Thank you.
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1answer
113 views

How can a nonmetallic metal container make food taste metallic?

Please see the sentence beside the red heart. What's the chemistry behind this? If the metal container doesn't react, how can the food taste metallic? From p. 68 in Williams-Sonoma Collection: ...
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2answers
162 views

Food grade lye on counter tops

Long ago, I bought some food grade lye to make pretzels. Then I became afraid to use it cause I didn't think about the potential damage it could cause to my sink and some baking materials. ...
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1answer
95 views

What causes pollution when cooking? [closed]

I'm having trouble finding the right search terms so perhaps I am just missing some obvious resources. Sorry if that's the case. It is sometimes brought up that cooking causes pollution. I learned of ...
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1answer
100 views

Is Manganese Violet suitable as a food coloring?

Can I use Manganese Violet as a food coloring? It's safe to use in cosmetics, and I've got some left over, so I was wondering. Is it toxic, edible or actually palatable? Does it have a certain taste? ...
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8answers
6k views

Is there a way to dilute oil?

I like to drink protein shakes, but I find that it's very hard to dissolve the protein powder into water or milk. You get clumps, and unless you want to get your blender dirty or spend ten minutes ...
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2answers
226 views

How to get crystallized honey out of a bowl

I was attempting to make a teriyaki sauce with soy sauce generous amounts of honey and orange juice boiling it all down on medium heat with some starch to thicken it. I ended up overdoing both the ...
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1answer
201 views

Does storing an apple with potatoes prevent the potatoes from sprouting?

I don't know if this is an old wives tale because a Google search didn't bring me conclusive proof: in fact the top two results have exactly opposite answers on this question. Apparently both apples ...
2
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1answer
221 views

Can I use washing soda to cook noodles?

I found a recipe for homemade ramen noodles that calls for 'baked baking soda'. Based on some research, baking sodium bicarbonate will convert it to sodium carbonate. Na2CO3 is more basic than NaHCO3 ...
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2answers
445 views

How to extract mouth numbing effect from Sichuan peppercorn into a syrup?

I tried following the recipe here to try to create a Sichuan peppercorn simple syrup. The recipe is basically to add slightly crushed peppercorn to sugar and water, allow to simmer, take off the heat, ...
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1answer
581 views

How can I substitute dutch chocolate cocoa for flour and maintain proper recipe PH in this cookie recipe?

I have an old family recipe for Chocolate chip cookies 2 ¼ cups flour 1 cup white sugar ½ cup brown sugar 1 tsp salt 1 tsp baking soda 2 eggs 1 cup shortening 1 tsp vanilla Chocolate Chips as desired....
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3answers
953 views

Is it safe to use a grill to cook when chemically treated wood was burned in it?

my son burned chemically treated wood in my grill for a bonfire. Can I still cook in it, is it safe? or do I need to buy another grill?
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1answer
264 views

Why do potatoes cook more slowly in a stew?

I recently made a stew, not for the first time either, and I've tossed in a few potatoes, cut into cubes. It took about an hour and a half until they were soft. The stew was simmering the whole time. ...
4
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2answers
372 views

Separating gelatin from Jell-O powder

So I've been doing a bit more cooking while confined to my home and I wanted to make a recipe that calls for gelatin. I don't have any and I don't expect to be doing another grocery run for a few ...
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2answers
204 views

Is eating soap or bleach dangerous?

i was cooking some dessert today which contains milk as a primary ingredient. While cooking I started to notice that powder ingredients weren't dissolving in the milk. After a while under heat they ...
7
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3answers
1k views

Do milk and butter not work in place of cream for whipping, and why?

I’ve seen claims that, while you can replace heavy cream with the proper proportions of milk and butter in recipes that don’t require whipping, the mixture will not form stiff peaks when whipped, even ...
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0answers
117 views

Nixtamalization: Am I doing it right?

It's been a few years since I nixtamalizated the last time with the help of my Chilean friend. Now I'm on my own and due to several contradicting information on the internet a little lost. Maybe ...
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1answer
128 views

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's easier to wash. Usually I let it sit there cooling off ...
2
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1answer
812 views

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 as brown sugar. Also, this way, the ...
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2answers
157 views

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 emulsion, and gelatin is a gel. I know ...
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1answer
295 views

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 my father saw the process and asked why don't I just add ...
2
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1answer
342 views

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, but don’t want to: The texture is not ...
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3answers
342 views

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 first reasonably successful one. However I ...
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3answers
2k views

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: https://en.wikipedia.org/wiki/...
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1answer
84 views

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 emulsifiers before in cooking or baking, ...
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1answer
358 views

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 suggested that lemon has minimal role (if ...
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2answers
127 views

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 as the emulsifying agent and used the ...
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2answers
2k views

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? Update: The lump is an odd consistency: ...
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2answers
557 views

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. Later I researched what the supposed ...
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1answer
49 views

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.wikipedia.org/wiki/Matzoon
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0answers
52 views

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 right kind of snap and texture. Now, using ...
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2answers
3k views

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. When I season it with coconut oil, it ...
2
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1answer
104 views

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 chemical composition of various foods for ...
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1answer
36 views

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. It says on the container: "Does not ...
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0answers
47 views

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 have a mountain of pans to process so I'...
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2answers
596 views

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 2-5 hours. Others say 250 degrees for an ...
7
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2answers
508 views

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 "whipping cream" that just won't whip even ...
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0answers
56 views

Are there any cold paddles that are BPA free?

There have been previous discussions on the cold paddles to use to rapidly cool soups, etc. One of the more common ones in the San Jamar line. However, on their website, it says that there is some ...
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3answers
3k views

How acidic does a mixture have to be for milk to curdle?

I am planning on making sausages with both cream and vinegar as ingredients. I suspect the mixture of all the ingredients with the vinegar won't be acidic enough to cause the cream to curdle, but this ...
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2answers
245 views

What part of oatmeal cookies are making them soft / chewy?

I'd like to recreate the texture of an oatmeal cookie in very different flavor profiles, ie savory / umami. I'm tinkering with only the rolled oats for now, but I wonder if the chewiness could be ...
3
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1answer
167 views

How do I salvage this bread dough?

I was planning to make a brioche dough, but somehow managed to measure out and add cornstarch instead of bread flour. I've taken as much of the cornstarch out as I can, but there's about 3/4 cup still ...
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1answer
2k views

Can milk chocolate plus cocoa powder substitute for dark chocolate?

I just got a smoking deal on milk chocolate and bought a bunch. However, I tend to like a darker chocolate flavor in my baking. I would like try to use the milk chocolate plus some cocoa powder (and ...
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2answers
3k views

Are hard anodized aluminum pans oven-safe?

I have a full metal "hard anodized aluminum" pan which I'd like to use in the oven. I heard non-stick pans in the oven are unsafe. This pan comes with: no "oven-safe" label, a metal handle on the pan,...
5
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1answer
480 views

Preventing discoloration when making fresh mint liqueur

Twice I have tried to make a fresh mint liqueur (flavored vodka), and both times it has turned a very unpleasant brown/black color. I'd like to figure out how to do this while keeping the nice bright ...
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1answer
190 views

How to make creamy/starchy risotto with brown rice?

I've been making risotto with a brown rice blend (Long Grain Brown Rice, Sweet Brown Rice, Wild Rice, Whole Grain Wehani Rice, Whole Grain Black Japonica Rice), and I quite like the texture, and how ...