Quality control of feed flavors at six o'clock

The flavoring agent for feed generally requires strong special properties, and meets the age and taste preference of specific animal species; its flavor concentration is relatively stable, and can withstand various adverse factors in processing, transportation and storage to varying degrees; It has good compatibility with the compatibility of feed ingredients and other feed additives; uniformity and consistency are good, so as to avoid grading when mixing feed; safety is good, and there is little residue in animal products. All other natural, synthetic flavors and solvents used in the production of feed flavoring agents must comply with the regulations for the use of raw materials permitted by the Food Additives of the People's Republic of China. In order to judge the quality of the flavoring agent for feed, it can be controlled by the following main indicators: hNC China Feed Industry Information Network - based on feed, serving animal husbandry

1, appearance hNC China feed industry information network - based on feed, service animal husbandry

The appearance is mainly based on several quality control indicators of color, graininess and free flow. The color can be visually compared between the production sample and the standard sample under appropriate light. hNC China Feed Industry Information Network - based on feed, serving animal husbandry

Particle size is an indicator of the size of the powder flavor particles. Generally, a range of amplitudes can be specified, and the minimum percentage of particles that conform to the range of the fragrance in the entirety of the fragrance can be specified and can be determined by a biomicroscope in combination with a micrometer eyepiece. hNC China Feed Industry Information Network - based on feed, serving animal husbandry

The smaller the volume of the processing agent itself, the larger the surface area per unit volume, and the greater the chance of contact with the feed particles, the more the fragrance can function. The smaller the feed pellet to which the fragrance is added, the larger the odor emission area and the stronger the aroma. hNC China Feed Industry Information Network - based on feed, serving animal husbandry

Free flow can be shaken by placing the powdered fragrance in a dried stoppered glass bottle and should be free of sticking. hNC China Feed Industry Information Network - based on feed, serving animal husbandry

2, aroma hNC China feed industry information network - based on feed, service animal husbandry

Sensory indicators, judged by experienced personnel familiar with aroma and aroma, by comparing the production sample with the standard sample for sensory evaluation and evaluation. hNC China Feed Industry Information Network - based on feed, serving animal husbandry

Describe or communicate “aroma” is very difficult and requires special training. "Aroma Language" is based on a mutual understanding of the expression, such as: milky, spicy or fruity. These descriptions are all inaccurate. "Scent" can mean fennel, clove, cinnamon, and "fruity" can mean strawberries, green apples, and bananas. The perfumer uses a single standard to achieve an accurate description: rose scent like phenylethyl alcohol, green apple like cis-2-hexenal, and fresh milk like milk lactone. Ordinary people who are not familiar with the language of aroma "know" the fragrance they imagined, but cannot describe it. It is best to develop a communication between the perfumer and the client who develops the flavoring agent for the feed, understand the opinions of the customers, and satisfy their ideas. . To make customers get satisfactory products. hNC China Feed Industry Information Network - based on feed, serving animal husbandry

3, water content hNC China feed industry information network - based on feed, service animal husbandry

Moisture indicators can be determined by the dry weight loss method and are in compliance with the standards specified in the product standard. Excessively water-containing aromas form bonds and lose loose, free-flowing conditions, making it difficult to use. It can be shaken by placing the powdered fragrance in a dried stoppered glass bottle and should be free from sticking. In addition, the high water content is not conducive to the fragrance smell, and the external performance is insufficient. hNC China Feed Industry Information Network - based on feed, serving animal husbandry

4, volatility and thermal stability hNC China feed industry information network - based on feed, service animal husbandry

Feed flavors should have a certain volatility, but also have a certain stability (shelf life, usually one year), in the feed processing, granulation and storage, not to lose the taste, to maintain its efficacy. It also requires a certain shelf life (usually one month) after mixing with the feed. hNC China Feed Industry Information Network - based on feed, serving animal husbandry

The pros and cons of the comparative test are generally determined by applying the data of the comparative test. hNC China Feed Industry Information Network - based on feed, serving animal husbandry

5, effectiveness hNC China feed industry information network - based on feed, service animal husbandry

It can improve the palatability of the feed, increase the appetite of the animal, increase the feed intake and daily gain, and increase the feed conversion rate when the feed itself is properly formulated. Can give the product a special style and enhance the merchandise. hNC China Feed Industry Information Network - based on feed, serving animal husbandry

6, physical and chemical standards hNC China feed industry information network - based on feed, service animal husbandry

The quality should be stable, uniform and uniform within each batch of products, and powder solid products can not be layered and agglomerated and formed. This requires the carrier to have small particle size and no moisture absorption of each component. It has good chemical stability, does not produce chemical reaction with other components in the feed, and does not excessively oxidize and decompose itself, resulting in bad odor and taste. Other indicators of hygiene and bacteria and heavy metals are tested according to national standards. hNC China Feed Industry Information Network - based on feed, serving animal husbandry