How does bacteria make milk go sour?

1 Answer

Answer :

By digesting it before you do.

Related questions

Description : Is it my imagination or does skim milk go sour more quickly than whole milk?

Last Answer : Not that I have ever noticed.

Description : Which of the following (s) is/are the major spoilage of soft drinks from the marked growth of yeasts and bacteria? A.Cloudiness and ropiness B.Flat sour spoilage C.Superficial fungal spoilage D.Pin-spot molding

Last Answer : A.Cloudiness and ropiness

Description : Which of the following (s) is/are the major spoilage of soft drinks from the marked growth of yeasts and bacteria? A.Cloudiness and ropiness B.Flat sour spoilage C.Superficial fungal spoilage D.Pin-spot molding

Last Answer : Cloudiness and ropiness

Description : Sorry if this is not a delicate question...but why does my cat smell like sour milk?

Last Answer : Many cats are lactose-intolerant, so yes, even a small amount could have an effect. If he smells like sour milk, though, I would think maybe he got some on himself. If he’s acting fine I wouldn’t worry.

Description : I have a co-worker that smells vivdly of very sour milk. What could cause this?

Last Answer : He may have a medical condition called trimethylaminuria, or something similar to that. I guess your best bet is to let HR handle it because they will know how to approach him in the right way. ... a medical condition, you will probably have to stock up on some air fresheners! Good luck with this.

Description : How do you get the smell of sour milk out of the carpet?

Last Answer : Probably a steam cleaner.

Description : Which acid is produced when milk gets sour? -Do You Know?

Last Answer : answer:

Description : What makes milk sour ?

Last Answer : Milk is sour due to bacteria.

Description : Sour milk contains – (1) acetic acid (2) tartaric acid (3) citric acid (4) lactic acid

Last Answer : (4) lactic acid \ Explanation: Lactic acid, also known as milk acid, is a chemical compound that plays a role in various biochemical processes and was first isolated in 1780 by the Swedish ... kefir, and some cottage cheeses. The casein in fermented milk is coagulated (curdled) by lactic acid.

Description : Milk tastes sour when it is left in open for some time. This happens due to the formation of (1) Lactic acid (2) Citric acid (3) Acetic acid (4) Carbonic acid

Last Answer : (1) Lactic acid Explanation: Milk contains a sugar called lactose, a disaccharide (compound sugar) made by the glycosidic bonding between glucose and glactose (monosaccharides). When milk is heated to ... multiplies. These convert the lactose into lactic acid, which imparts the sour taste to curd.

Description : Milk tastes sour when kept in the open for sometime due to the formation of – (1) lactic acid (2) citric acid (3) acetic acid (4) carbonic acid

Last Answer : (1) lactic acid Explanation: Like many other things, milk contains bacteria, Milk also naturally contains a kind of sugar known as "lactose." The bacteria that live in milk get energy from this ... sugars to reproduce, they change it from "lactose sugar" into "lactic acid," which tastes sour.

Description : Which acid is produced when milk gets sour?

Last Answer : Lactic acid

Description : Which of the options in the given table are correct? Option | Natural Source | Acid Present (i) Orange | Oxalic acid (ii) Sour milk | Lactic acid (iii) Ant sting | Methanoic acid (iv) Tamarind | Acetic acid (a) (i) and (ii) (b) (i) and (iv) (c) (ii) and (iii) (d) (ii) and (iv)

Last Answer : Answer: (c)

Description : Check the incorrect statement : (a) Acetic acid is present in sour milk (b) Formic acid is present in insect bites (c) Tartaric acid is present in grapes (d) Citric acid is a tricarboxylic acid

Last Answer : Acetic acid is present in sour milk

Description : Which acid is produced when milk gets sour?

Last Answer : Lactic acid

Description : Sour milk contains

Last Answer : Lactic acid

Description : Which acid is produced when milk gets sour? (1) Tartaric acid (2) Butyric acid (3) Lactic acid (4) Acetic acid

Last Answer : (3) Lactic acid

Description : Sour milk contains (1) acetic acid (2) tartaric acid (3) citric acid (4) lactic acid 

Last Answer :  lactic acid

Description : Milk tastes sour when kept in the open for sometime due to the formation of (1) lactic acid (2) citric acid (3) acetic acid (4) carbonic acid

Last Answer :  lactic acid

Description : When people buy fat-free products, such as sour cream and butter, for health reasons, do they consider that the process those foods go through are probably worse for them than the natural fat?

Last Answer : Exactly. Most people are stupid.

Description : Curd from milk is caused by which bacteria? -General Knowledge

Last Answer : The preparation of curd requires a lactobacillus bacteria, while yogurt is made using two specific strains of bacteria called Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus bacteria. Other strains of lactic acid bacteria may also be added.

Description : Curd from milk is caused by which bacteria? -General Knowledge

Last Answer : The increased acidity causes the milk proteins (casein) to tangle into solid masses, or curds. Milk that has been left to sour (raw milk alone or pasteurized milk with added lactic acid bacteria) will also naturally produce curds, and sour milk cheeses are produced this way.

Description : Curd from milk is caused by which bacteria? -General Knowledge

Last Answer : The preparation of curd requires a lactobacillus bacteria, while yogurt is made using two specific strains of bacteria called Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus bacteria. Other strains of lactic acid bacteria may also be added.

Description : The temperature for pasteurization of milk is selected so as to (a) Kill the micro-organisms (b) Kill all bacteria (c) Store it for long time without coagulation (d) Kill the micro organisms and other harmful bacteria

Last Answer : Ans:(c)

Description : The heat treatment applied to milk before distribution to stabilize and to remove disease causing bacteria is called as – (1) Pasteurisation (2) Fermentation (3) Coagulation (4) Homogenisation

Last Answer : (1) Pasteurisation Explanation: Pasteurisation is a process of heating milk for 30 minutes at 62° C and cooling rapidly to kill harmful bacteria.

Description : Process of heating milk to 72°C about 16 seconds and then cooling it to 4°C to destroy harmful bacteria is known as?

Last Answer : Chromatography

Description : How many bacteria are found in 1 ml of fresh milk?

Last Answer : Three thousand million

Description : n mammals milk is digested by the action of (a) rennin (b) amylase (c) intestinal bacteria (d) invertase.

Last Answer : (a) rennin

Description : The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorisedas (a) cyanobacteria (b) archaebacteria (c) chemosynthetic autotrophs (d) heterotrophic bacteria.

Last Answer : (d) heterotrophic bacteria

Description : The most abundant prokaryotes helpful to humans in marking curd from milk and in production of antibiotics are the ones categorised as (1) Heterotrophic bacteria (2) Cyanobacteria (3) Archaebacteria (4) Chemosynthetic autotrophs

Last Answer : (1) Heterotrophic bacteria

Description : Who discovered the method of destroying disease-producing bacteria in beer and milk by heating the liquid properly?

Last Answer : ANSWER: (LOUIS) PASTEUR

Description : The heat treatment applied to milk before distribution to stabilize and to remove disease causing bacteria is called as : (1) Pasteurisation (2) Fermentation (3) Coagulation (4) Homogenisation

Last Answer : Pasteurisation

Description : Why do sour things make us pucker?

Last Answer : Limesss and Lemonssss Oh and I can do it, but only for the first bites.

Description : how do they make things sour?

Last Answer : citric acid

Description : Why does sour candy make my tongue bleed?

Last Answer : I have the same problem. It’s usually sour patch kids that do it to me, and that it because of those sour-stuff crystals. Warheads are smooth so I don’t know why, but that is interesting.

Description : I bought 2 Kg of beautiful big cheap apples but they are terribly sour. What to make of them besides strudel? How to use those sour apples.

Last Answer : Wrap the halves of the apples in puff pastry and bake in the oven.

Description : _____ is used to make processed cheeses and "cheese foods." a. Sour curd b. Sweet curd c. Whey d. Butterfat

Last Answer : c. Whey

Description : ____ make a food acid or sour. a. Flavorings c. Colorings b. Texturings d. Acidulants

Last Answer : d. Acidulants

Description : Can sour cream and ketchup plug a kitchen sink?

Last Answer : Try baking soda, vinegar and boiling water.

Description : Why are Sour Skittles in a different package than regular Skittles and why are there fewer.

Last Answer : I always wondered the same about the packaging but never noticed the size difference, probably cause I've only bought sour skittles once cause they kinda well, suck. If I had to guess though ... so they can get away with super market shrink ray without most people taking notice to the difference.

Description : I can't eat ____ without ____. Tuna salad without potato chips? latkes without sour cream? sushi without pickled ginger? What is it for you?

Last Answer : Mushy peas with vinegar. I don’t like vinegar on anything else but I can’t eat mushy peas without it.

Description : Cookie, share with me your recipe for sweet & sour spare ribs?

Last Answer : Seems there are two different versions (Asian and Southern US). I have always liked the recipes from Epicurious and they have one for sweet and sour spare ribs here.

Description : Where can I get Trolli Sour Brite Eggs?

Last Answer : Amazon.com sells it…

Description : Should society really punish the rich or is it just sour grapes of the poor?

Last Answer : IMO Tax wise, I think the rich punished plenty, it is that 50% of the wage earners who pay little or no income tax and many of them actually get money back. That I think is a pretty unfair ... pay little or no taxes are the ones who bitch the loudest about how crummy our government is. Go figure!

Description : Can i switch out ricotta for sour cream in a coffee cake?

Last Answer : answer:It might work. You may have to adjust the liquids to keep the consistency the same. If this was just for me and the family and not for someone else, I would try it. Worst case you learn something. Best case you have a great new addition to your recipe book.

Description : "too sweet to be sour too nice to be mean" - where does this come from?

Last Answer : answer:Fluther- I just saw it a moment ago. (Aside from that, check youtube and some of the music sites.) Search on Beastie Boys . Jazz and Awol that's our team Step inside the ... envy y'all is green Jealous of the rhyme and the rhyme routine Another dimension new galaxy Intergalactic planetary

Description : Better or worse to drain sour cream?

Last Answer : I usually just stir it all together.

Description : When are green apples the most sour?

Last Answer : I would guess that green is not as ripe as red and if you give the green ones time they will become red and sweet. I would also guess that the flavor of green apples is sour because it’s a different type of apple. If either is true then I would guess that the more sour it is, the less ripe it is.

Description : Where can I get good Hot and Sour soup in San Diego?

Last Answer : Ok, since it has been 3 days and no one has answered you, I am going to share a secret: http://mmm-yoso.typepad.com/mmmyoso/ Mmm- yoso is the best guide to food off the beaten path in San ... guys is amazing - I have tried at least 10 of the places he recommends and I have never been disappointed!

Description : What's a good low-calorie substitute for sour cream?

Last Answer : Plain yogurt is a great substitute. Full-fat yogurt is flavorful and still has less calories than sour cream, but you can cut even more calories by using low-fat yogurt (non-fat might work ... think Stonyfield farms would be good. Dannon might work too. Australian-style creamy yogurt is also good.