Refined Soybean Oil - Thailand
- IUPAC Name
- soybean oil (refined)
- Molecular Formula
- Triacylglycerols (linolenic)
- Synonyms & Trade Names
- Refined soybean oil; Soya oil; Soybean oil RBD
- Purity / Assay (%)
- Refined
- Grade / Quality Level
- Food Grade
- Physical Form
- Liquid
Categories
Technical Document
Brief Overview
Refined soybean oil is a widely used and versatile cooking oil that is derived from soybeans through a process of extraction, refining, and sometimes hydrogenation. Refined soybean oil is known for its high smoke point, making it suitable for various cooking methods, including frying, sautéing, and baking. It is valued for its affordability, mild taste, and versatility. Additionally, soybean oil is a source of polyunsaturated fats, including omega-3 and omega-6 fatty acids, which are considered beneficial for heart health.
Manufacturing Process
Soybean oil is a vegetable oil derived from soybeans, which are legumes native to East Asia. It is one of the most widely consumed cooking oils globally. The production of soybean oil involves several key steps:
1. Extraction: The oil is extracted from soybeans through a mechanical process, typically involving crushing or pressing. This results in the extraction of crude soybean oil.
2. Refining: The crude soybean oil undergoes refining processes to remove impurities, such as free fatty acids, phospholipids, pigments, and undesirable flavors. The refining process enhances the oil's quality, taste, and shelf life.
3. Degumming: This step removes the gum or phospholipids present in crude soybean oil.
4. Neutralization: It involves treating the oil with an alkaline substance to reduce acidity.
5. Bleaching: The oil is filtered to remove pigments and other impurities, improving its color and clarity.
6. Deodorization: Undesirable odors and flavors are removed through steam distillation.
The resulting refined soybean oil is a pale-yellow, neutral-tasting oil with a high smoke point, making it suitable for various cooking methods, including frying, baking, and sautéing. It is also used in salad dressings, margarine, and as an ingredient in numerous processed foods.
