What is the ph value of lemon juice
What is the ph value of lemon juice? Lemon is a common fruit in our life, its flavor is mostly very acidic, so people usually do not directly eat lemon, can be used to make drinks, appropriate to eat lemon there are a lot of health effects, in order to understand the ph value of lemon juice is how much?
What is the ph value of lemon juice1
The ph value of lemon is 2.0.
Citric acid is colorless translucent crystals or white particles or white crystalline powder, slightly corrosive, strong deliquescence, and accompanied by the generation of crystalline water compounds, in the moist air slightly deliquescent.
Can exist in the form of anhydrous or monohydrate citric acid from the hot water crystallization, the generation of anhydrous compounds, crystallization in cold water is generated monohydrate. When heated to 78 degrees Celsius monohydrate decomposes to give anhydrous. Citric acid is also soluble in anhydrous ethanol at 15 degrees Celsius.
Characteristics of Lemonade
Lemon branches are less spiny or nearly spineless, young leaves and flower buds are dark purplish-red, pteridophylls are broad or narrow or only traced, and the leaf blade is thickly papery, ovate or elliptical, 8-14 centimeters long and 4-6 centimeters wide.
Lemon single flowers in axillary or few-flowered clusters; calyx cup-shaped, petals 1.5-2 cm long, light purplish-red outside, white inside, often unisexual flowers, i.e., stamens developed, pistils degenerate; 20-25 or more stamens; ovary sub-tubular or barrel-shaped, slightly narrowed at the top.
Lemon fruit ellipsoid or ovate, narrow at both ends, usually narrower and papillate apically, pericarp thick, usually rough, lemon-yellow, difficult to peel, rich in lemon-scented oil dots, sarcocarp 8-11-valved, sap-cells yellowish, juice acidic to very acidic, seedlets small, ovate, pointed at the end, seed coat smooth, cotyledons creamy-white, usually single or both polyembryonic.
Lemon Juice
(1) Practice 1
Teach you a way to drink lemonade with a single lemon that can be drunk for half a month.
In fact, lemonade is particularly easy to make, the most headache is that half of it will be left every time, but the rest is not good to keep. Here's a little way to get your lemonade on a regular basis.
Supermarkets to buy a fresh lemon, to the glossy better as preferred. Go back and wash and dry with paper towels, put in the freezer for two hours, not too long and not too short, short of frozen impermeable, long cut with too difficult. Use a clean kitchen knife to cut thin slices on a cleaned fruit plate. Cut 15-20 slices of a lemon, the slicing process has to be fast, next put the lemon into a plastic box with a lid.
Put in the refrigerator freezer, need to use when the boiling water to cool or directly with mineral water, etc., to half a slice per cup of water size is appropriate, such as the use of pots can be into one or two slices. Can be appropriate to add honey or rock sugar and other flavoring. Do not use too hot water to soak, that will lose the lemon flavor and nutritional value, in the summer and fall this method allows you to drink a lemon for half a month of delicious lemonade.
(2) practice two
Main ingredients: lemon, honey
Practice:
1, use salt to wash the outer skin of the lemon, not only to remove the surface of the wax but also to remove dirt. You can also soak them in salt water. Next you can use a knife to cut the lemon into thin slices.
2. Prepare a glass sealing jar without water and oil.
3. Put a slice of lemon and add a spoonful of honey; put a slice of lemon and add another spoonful of honey. Repeat. Until all the lemons are pickled in. The honey must be pickled over the lemon slices.
4. Cover and store in the freezer.
5, When brewing, clip out one or two slices directly, and scoop out two spoons of honey lemon juice, together with warm water.
6, soak a night you can open and drink, three or four days after the better flavor.
7, as long as each clip lemon slices and pocket lemon honey utensils without water, oil and saliva, in the refrigerator to save at least a month above no problem. Eat up continue to add lemon and honey into it, honey must cover the lemon.
What is the ph value of lemon juice 2
1, lemon juice how to save a long
Squeeze a good one time to use the lemon juice can be sealed tightly into the refrigerator to save the time limit within 3 days, long will cause the vitamin c volatilization.
Buy some fresh lemons when they are on the market in large quantities, pour the lemon juice directly into the ice compartment and store it in the freezer, and then take the lemon ice cubes directly when you need them.
2. Lemon juice for women.
(1) whitening effect
Fresh lemons are extremely rich in vitamins, is a natural good for beauty, can prevent and eliminate skin pigmentation, promote skin whitening effect.
(2) skin care
Lemon since ancient times is the European skin care products, its ability to remove dirt, and does not harm the skin, especially for acne, acne effective. Because acne, acne patients usually more facial oil, very easy to block the pores. And often wash lemon bath can make the pores in a smooth state, conducive to sweating, acne patients have a good therapeutic effect.
3, the nutritional value of lemon juice
Lemon juice is fresh lemon juice, its flavor is very acidic, and accompanied by a slight bitter and fresh flavor. Lemon juice is a popular drink and a good condiment, often used in Western cuisine and pastry.
Lemon juice is rich in vitamin B1, vitamin B2, niacin, vitamin C, sugar, calcium, phosphorus, iron, potassium and other nutrients.
Pharmacological efficacy, lemon juice has a cough, phlegm, the spleen, improve blood circulation, reduce cholesterol, prevent cardiovascular disease, enhance immunity and other effects. In addition, lemon juice has the effect of removing blemishes, often eaten can make the skin delicate and clean.
Lemon Skin Care Methods
1, Lemon Spot Removal Methods
Every morning and evening after washing the face, with fresh lemon juice coated in the face once a week or so can eliminate freckles.
2, lemon skin whitening method
will be a fresh lemon washed peeled and sliced, put into a wide-mouth bottle, add white wine submerged lemon, soak overnight. The next day with sterilized cotton wool, dipped in soaked wine coated in the face, 15 minutes after washing with water, a week after the visible face smooth and white.
3, lemon emollient wrinkle method
Take 1 tablespoon of fresh lemon juice, put it into a cup, add fresh egg yolks a, mix and stir well; then add 2 tablespoons of oatmeal powder, 2 tablespoons of olive oil or peanut oil, stir well together into a paste. Apply every night after washing your face to form a mask; remove after 20-30 minutes and rinse with water. Once a night, for a week, can make dry sagging wrinkled face, become rosy and shiny and wrinkles disappear.
4, lemon pore tightening method
Take 1 tablespoon of fresh lemon juice into a cup, add a fresh egg white, mix and stir well; wash your face every night with a clean skimmer dipped in this liquid coated in the face, keep it for 15 minutes, wash with lukewarm water, and then pounce a layer of high-level makeup powder. This can make the oily skin more easy to dirt tight pores, inhibit excessive secretion of oil, keep fresh and clean.
5, lemon moisturizing mask
Take a tablespoon of fresh lemon juice into a cup, add a tablespoon of honey and a small amount of beer baking powder, mixed and stirred evenly into a paste; every night before going to bed after the bath, in the face of the coated form of mask, 15-20 minutes to remove, wash with warm water. Do so after half a month, promote subcutaneous skin blood circulation, increase metabolism, keep stagnant water, make the face smooth and delicate, rosy white.
What is the ph value of lemon juice3
Drinking lemon juice benefits and disadvantages
1, drink lemon juice can be beauty
Lemon juice contains a lot of vitamins, especially vitamin C content is particularly high, this substance into the human body after the promotion of collagen synthesis, also can inhibit melanin in the body. The synthesis of this substance into the human body will promote collagen synthesis, can also inhibit melanin deposition in the surface layer of the skin, often drink not only tender skin, but also whiten the skin, in addition to often drink lemon juice can inhibit dandruff generation, you can nourish the hair so that the hair becomes black and shiny.
2, drink lemon juice can prevent diabetes
Prevention of diabetes is also one of the important benefits of people drink lemon juice, because lemon juice contains some of the holy herb berry glycosides, this substance can make the high blood sugar down, but also can break down the sugar in the body, reduce the body's absorption of sugar, normally, the body will be able to prevent high blood sugar, but also to prevent the high blood sugar. The fact that you can drink it regularly prevents you from getting high blood sugar and also reduces the chance of getting diabetes.
3, drink lemon juice bad
usually drink lemon juice on the human body has a variety of benefits, but lemon juice has two sides, some people drink after the body also has some bad, lemon juice taste acid, the human intestines and stomach have a certain degree of irritation, especially those who have too much stomach acid and spleen and stomach function of the weaker crowd, can not drink lemon juice. Lemon juice, or there will be regurgitation of acid as well as stomach pain and gastric ulcers and other adverse symptoms, is not good for health.