**Enzymes Present in the Stomach**

The stomach is an important organ of the digestive system that plays a crucial role in the breakdown of food. It secretes several enzymes that aid in the digestion of proteins, carbohydrates, and fats. Let's discuss the enzymes present in the stomach:

**1. Pepsin:**
Pepsin is the main enzyme secreted by the gastric glands in the stomach. It is derived from pepsinogen, an inactive form that is converted into pepsin by the low pH environment of the stomach. Pepsin is responsible for the digestion of proteins into smaller peptides. It breaks down the peptide bonds present in proteins, converting them into polypeptides.

**2. Gastric Lipase:**
Gastric lipase is another enzyme present in the stomach. It plays a minor role in the digestion of fats. Gastric lipase helps in breaking down certain triglycerides into fatty acids and monoglycerides, facilitating their digestion and absorption in the small intestine.

**3. Gelatinase:**
Gelatinase is an enzyme found in the stomach that specifically acts on gelatin. It digests gelatin proteins into smaller peptides.

**4. Gastric Amylase:**
Gastric amylase is an enzyme involved in the digestion of carbohydrates. However, its presence and significance in the stomach are still a subject of debate. Some studies suggest that gastric amylase may contribute to the initial breakdown of starches into simpler sugars.

**5. Hydrochloric Acid (HCl):**
Although not an enzyme, hydrochloric acid is an essential component of gastric juice. It is secreted by the parietal cells of the stomach lining. HCl provides an acidic environment (pH 1-3) that activates pepsinogen to pepsin and denatures proteins, making them more accessible for enzymatic digestion.

**Importance of Stomach Enzymes:**
The enzymes present in the stomach are crucial for the initial breakdown of food components, especially proteins. Pepsin, the main enzyme, breaks down proteins into smaller peptides, preparing them for further digestion in the small intestine. The acidic environment created by HCl helps in the activation of pepsin and denaturation of proteins. Additionally, gastric lipase and gelatinase contribute to the digestion of fats and gelatin, respectively.

It's important to note that most of the enzymatic digestion occurs in the small intestine. After leaving the stomach, partially digested food enters the duodenum, where it mixes with enzymes from the pancreas, liver, and intestinal mucosa, further facilitating digestion and nutrient absorption.

In conclusion, the stomach secretes various enzymes, including pepsin, gastric lipase, gelatinase, and possibly gastric amylase. These enzymes, along with the acidic environment provided by HCl, play a crucial role in the initial breakdown of proteins, fats, and gelatin, aiding in the overall digestion process.

Enzymes found in stomach are:
1: pepsin explorated by hcl.pepsinogen
2: gastric lipase.