Is there protein in the sperm? How much protein is in the sperm?

Is there protein in the sperm? This question is asked quite often. Male sperm is an organic liquid, which is a fairly complex substance, which has more than 30 components in its composition. In the chemical composition of sperm, important elements for human health are found: vitamins B12, C and others, citric acid, calcium, zinc, copper, highly concentrated potassium, sulfur.

This sticky, slimy, uneven and opaque liquid smells of a raw chestnut (like the slight smell of chlorine). The taste depends entirely on the food, sweet-salty, with a bitter taste and acid.

If ejaculation becomes frequent, then the taste of sperm changes. She's more bitter. Immediately after the act, it is dense, but after half a minute it liquefies, its color is opaque, cloudy white. The amount depends on the individual characteristics of the man, maximum - up to ten milliliters. This is influenced by age, health, drunk a day's fluid. And this does not affect fertility. The number of sperm cells in 1 milliliter of seminal fluid is significant.

The amount of sperm depends on how often ejaculations are made. The more they are, the less it is and it is lighter.

Seminal vesicles contain a variety of prostatic secretions that produce stimulation of the expansion of blood vessels, including muscle contractions. The sperm have alkaline properties, despite the fact that it contains citric acid. In this article, we will find out how much protein is in the sperm.

Composition

The sperm contains two main parts:

• Seminal plasma, which is formed by secretions of the testicles, ducts of the seminal gland, and including the secretion of the prostate gland.
• Spermatozoa are shaped elements.

Seminal fluid consists of a complex of specific chemical elements and substances that are also found in other tissues of the body, but in much smaller quantities. The main components of the seminal plasma are minerals, proteins, hormones, fats, enzymes, carbohydrates and other substances.

What determines the quality of sperm? It is caused by the secretion of testosterone by the testicles.

We are interested in how much protein is in the sperm. About this - further.

Proteins

Seminal vesicles and prostate gland contain protein compounds that instantly turn into amino acids under the action of enzymes during ejaculation. After several studies, it was found that the average amount of protein per 100 ml is 5040 mg. That's how much protein is contained in the sperm.

During ejaculation, the man on average releases sperm in a volume of 10 ml, and this is approximately 0.5 g, or 500 mg, of protein.

Seed plasma from amino acids secreted by proteins includes tyrosine, glutamic acid, glycine, serine, aspartic acid, lysine, leucine, histidine. Amino acids are contained approximately 0.0125 g / ml.

How much protein in the semen is now clear. And what else is there?

In addition to proteins and amino acids, seminal plasma has free amines in large quantities: creatine, known as growth creatine, which helps improve brain activity, regulate weight and work of the cardiovascular system, choline, spermine, spermidine (30-366 μg / ml).

A significant concentration in the seminal fluid contains creatine, which is mutually dependent on the concentration of creatine phosphokinase. The protein content in the semen we found, but how many carbohydrates are there in it?

Carbohydrates

Carbohydrates in seminal fluid are bound to proteins or are in a free state. Fructose, which has a decisive influence on sperm activity, accounts for the majority of free carbohydrates. In seminal fluid, the amount of fructose in the volume of approximately 1-5 mg / ml is considered normal. In the case where the indicators are higher, this may indicate diabetes mellitus, and if they are lower, then about the disease of the prostate gland. Fructose of semen is the main source of vital activity for spermatozoa. Other free carbohydrates are also found in the seminal plasma, for example, fucose, inositol, ribose, sorbitol, glucose. With carbohydrates figured out, go to fats. But for some reason, the frequent question: how many grams of protein in the semen?

Fats

The seminal fluid contains the following types of fats: fatty acids, cholesterol, phospholipids. On average, the cholesterol concentration is 0.5 mg / ml, and its prostate gland produces. Prostaglandins, they are fatty acids, have the properties of lowering blood pressure, stimulating smooth muscles and providing protective effects on the skin and mucous membranes.

The concentration of fatty acids in the semen and the sensitivity of the female uterus when it is in the period of ovulation are very important for the process of human reproduction. Some medications, such as "Indomethacin" and "Aspirin", inhibit the synthesis of prostaglandins, and this reduces the ability of the seed to fertilize.

Prostaglandins are biologically active fats, which play an important role in fertility. They stimulate smooth muscle, lower blood pressure, protect the skin and mucous membranes, including the stomach and intestines. The uterine motility increases when a seminal fluid enters it, or rather, a small amount. But a large volume strongly depresses and relaxes.

These fats are very important in the creation of offspring, since they are present in the sperm in sufficient quantity and the uterus to them is sensitive at the time of ovulation.

If you take anti-inflammatory medications that inhibit the synthesis of prostaglandin, then their level in the seminal fluid of a man will noticeably decrease. There is even an unconfirmed opinion that it is these fats that affect fertility.

Enzymes

We are considering the composition of the sperm. Protein is an important component. But now let's talk about enzymes.

In connection with the active participation of enzymes within twenty minutes after the eruption, liquefaction of the seed occurs. Often, the infertility of a man causes a lack of protein-degrading enzymes, as the sperm retains a viscous consistency, which complicates the progress of spermatozoa.

In addition to the enzymes of protein-destroying seeds, human fluid contains hydrolytic in large amounts (maltase, acid phosphatase, glucosidase) and oxidizing (isomonic dehydrogenase, lactic dehydrogenase) enzymes. Oxidizing agents play a vital role in the process of membrane metabolism.

Glucose-phosphate isomerase - this enzyme is also present in the male sperm, converts glucose-6-phosphate to fructose-6-phosphate. This enzyme is important for converting carbohydrates into pyruvic or lactic acid. It contains tissues that use the glycolytic pathway. High levels of activity of glucose-phosphate isomerase in the blood indicate the presence of pathology of the male genital organs, in addition, such overestimated rates occur in liver diseases, as well as prostate cancer.

Hormones

The hormones contained in the semen are not affected by the concentration in the blood. The testosterone content in the seminal plasma is only a tenth of that in the blood serum. After carrying out a simultaneous analysis of the semen and testosterone in the blood, it was found that the level of hormone concentration in the plasma of infertile men is 0.35-1.8 ng / ml, in those that are prolific, 2.81-8.50 Ng / ml. In particular, the number of spermatozoa and the positive ratio of testosterone levels were determined.

How much protein is in the sperm? This information is disclosed above.

Minerals

Seed plasma includes salts of magnesium, sodium, calcium, potassium. Also in seminal fluid a large concentration of zinc, 0.15-0.3 mg / ml, it plays an important role in intellectual activity. Of the prostate gland, zinc comes mainly in its quantity.

Other substances

An important substance of the seminal fluid composition is citric acid, which is produced by the prostate gland. The average index of its concentration in the seminal plasma is 510 mg / 100 ml. Citric acid is necessary for the success of the liquefaction-coagulation process of seminal fluid, besides it can bind to calcium ions.

We examined how much protein is in the sperm. Also, the composition of the seminal fluid was described in detail.