Kerala PSC » Kerala PSC Study Materials » Dairy Microbiology » butter fat content test – FSSAI standards of milk

butter fat content test – FSSAI standards of milk

Introduction  

The term “Butter” is defined as the fat concentrate that is acquired by the churning cream, associating the concentrated fat with dense lump and then activating it. According to FSSAI (“Food Safety and Standards Authority of India”), the word “Butter” means a fatty output that is derived from the milk of buffalo or cow principally drawn up by the “Water-in-oil” kind of a mixture. The “Butterfat content test” may be without or with added general salt and the primary culture of the gentle lactic acid and the flavor that is producing the bacteria. It should be free from the fat of the animal body, mineral oil, vegetable oil, and extra flavor.

 

Discussion

Typical adulterants in milk 

The “milk powder” is considered to be one of the most credible food components in the chance of the adulteration process after the olive oil. The process of “Adulterants in the milk” mostly incorporates the addition of multiple vegetable proteins, the respective milk from various species, watering, and whey addition. The previously mentioned adulterants method does not constitute any emergency health risk. Notwithstanding, few adulterants are considered as detrimental to be dominated. A few of the crucial adulterants in the milk is having some serious unfavorable health effects are ammonium, urea, formalin, boric acid, detergents, benzoic acid, caustic soda, ammonium sulfate, sugars, melamine, hydrogen peroxide, and salicylic acid. The general parameters which are checked for evaluating the quality of the milk are SNF (“Solid-not-Fat”) percentage, freezing point, fat percentage, and protein content. The various adulterants are added into the milk for increasing the multiple parameters, consequently resulting in the increase of the quality of the milk in a devious way. For example, scratch, cane, urea, sugar, common salts, and sulfate salts are combined for increasing the SNF (“solid-not-fat”). The term “Urea” being an accustomed component of the “raw milk”, has a superlative limit that is prescribed by the “FSSAI”. The “Commercial urea” is further combined with the milk for increasing the “non-protein nitrogen” constituent. The detergents are further added for dissolving and emulsifying the “oil-in-water”, providing a foaming solution that is considered as the desired character. 

Qualitative detection methods 

The “Qualitative detection” of the adulterants process in the milk are general color-based “chemical reactions”. The above-mentioned process can be carried out in any of the “Biosafety Level 1” Laboratories along with the handiness of the multiple necessary precautions and chemical reactions. The major disadvantages of the adulterants techniques are considered as the realities that the adulterants are authenticated for a very limited span of the concentrations and not considered as sufficiently precise. Notwithstanding the multiple “qualitative detections” are beneficial because the qualitative detections are rapid, very easy, and simple to perform. Few of the “edible compounds” are frequently used as adulterants for improving milk taste. The existence of the adulterants in the milk is possible for detecting the various consumable components in a fast manner. In the stool fat content test process, there are a few hazardous chemicals that are combined with the milk for improving self-life and multiple physical appearances. Few of them are considered very hazardous and can “lead” to multiple fatal diseases. In addition, a few other mixtures of chemicals namely, coloring compounds, soaps, and detergents are sometimes combined with the milk for improving the appearance of the milk. Few of the “Adulterants” consist of major health impacts and occasionally in the “long-run” as well. The ingestion process of the respective Melamine at various levels that are above the multiple safety limits can persuade death in children and renal failure.        

Quantitative detection methods 

The adulteration of the milk with multiple foreign proteins such as almond proteins, soy, and rice is deliberately processed into multiple milk products and is bartered as multiple milk supplements for the buyers along with lactose intolerance. Notwithstanding the almond proteins, soy and wheat are categorized as the multiple allergens by the FALCPA (“Food Allergen Labeling and Consumer Protection”) of “2004”. On the other hand, the maize proteins, pea, lupin, and rice are pragmatically recognized as allergens. The reality is that the production price of soy milk in the milk is isoelectric precipitation, immune-diffusion method, polarimetric method, HPLC (“High-Performance Liquid Chromatography”), and SDS-PAGE (“Sodium Dodecyl Sulphate Polyacrylamide Gel Electrophoresis”). In the fat content in the food test, the NIR (“Near Infrared”) spectrum analysis has been utilised for examining the milk powder “adulteration” along with the various vegetable proteins. The “ELISA” has been utilised for identifying the multiple proteins along with the polyclonal antibodies. Selectively the “tetra borate-EDTA” buffer for distilling the multiple “plant proteins” from the milk product has been utilized for developing a fast “turbidimetric” detection method to identify the difficult plant protein. 

Conclusion

The “Butterfat content test” is considered one of the important chapters of microbiology.  It includes multiple adulterants processes of milk, which help in classifying the various by-products of milk. There are two types of adulterants methods, namely qualitative and quantitative detection methods. The various types of milks fall under FSSAI rules for example cow milk, buffalo milk, sheep milk, recombined milk, mixed milk, and many more.