The summary and reflection of the experimental report on the production of rose drinkThe following is a summary and reflection example of an experimental report on the production of rose drinks:
* * I. Summing Up **
1. * * Material characteristics and selection **
- Rose contains a variety of chemical components, such as more than 300 chemical components including quercitrin, fatty oil, organic acid, etc., as well as 18 kinds of human body needs to be the human body's basic trace elements. Its extract is beautiful in color, fragrant in smell, and has a certain anti-oxidization effect. It is a high-quality raw material for making beverages. In addition, roses from different origins, such as edible roses from Kunming, Yunnan, were harmless and suitable for beverage production.
- In the production of compound drinks, it can be matched with pomegranate, tamarind, etc. Pomegranate is rich in minerals, vitamins, vitamins, vitamins and ellagic acid. Tamarind is not suitable for raw food, but it has the effect of clearing heat and detoxification. They can be used with roses to develop compound drinks with different characteristics and nutritional value.
2. * * Key Points of Craftsmanship **
- * * Bactericidal segment **
- The conventional sterilization process was more recognized by the public in terms of sterilization, shelf life, and storage stability, but it would damage the nutritional content. The ultra-high pressure HPG sterilization technology could effectively preserve nutrients while disinfecting. For example, in the experiment of rose dregs beverage, under specific ultra-high pressure parameters, its physical and chemical and biochemical indicators met the production standards of the national standard. After 90 days of storage, the ultra-high pressure HPG sterilization technology could better maintain the color of the rose residue beverage compared to the pasteurization. The low temperature storage could retain the color to the greatest extent, and the stability difference was small. The decrease in the content of dissolved solid and poly-acids was small, and the ph value was more stable.
- * * Other Crafts **
- In the process of making rose and pomegranate compound beverage, it involved color protection, filtering, blending, sterilization and other processing processes. The analysis methods were used to determine the dissolved solid content by refraction, the color and luster by color-matching method, and the light transmission rate by spectrophotometer method. In the production of the rose tamarind juice compound drink, there were processes such as extraction, filtering, compound and sterilization.
- When making a self-made rose drink without any added ingredients, one had to first rinse the rose petals, control the moisture, remove the stamen and other sundries, then put the petals into the bottle, add lemon acid (or lemon juice), white sugar, pour boiling water, pay attention to sealing, and place it horizontally to cool.
3. * * product features and potential **
- There were many kinds of drinks made from roses, such as rose dregs drink, rose pomegranate compound drink, rose tamarind juice compound drink, and homemade rose drink. These drinks not only retained the nutritional content and unique flavor of roses, but also had different tastes and nutritional values due to the addition of composite raw materials. They had broad development prospects and could meet the needs of consumers for healthy and nutritious drinks.
* * 2. Reflection **
1. * * Material processing **
- There might be some areas that could be optimized in the processing of rose petals. For example, when washing rose petals, although it was mentioned that the stamens, leaves, and stems should be removed, the cleaning methods for possible pesticide or other impurities on the petals could be further studied to ensure the safety of the drink.
- When using composite raw materials, such as pomegranate and tamarind, their pre-treatment methods may need to be more refined. For example, how to retain the nutritional content and flavor of pomegranate juice to the greatest extent, and how to improve the extraction rate of active ingredients during the extraction process of tamarind.
2. * * Craftsmanship **
- Although the ultra-high pressure HPG sterilization technology had many advantages, the cost might be relatively high, and it might not be suitable for some small production companies or home-made products. There was a need to further explore methods that were less costly and could effectively disinfect and retain nutrients.
- In the blending process, it was a challenge to control the ratio of the ingredients more accurately to achieve the best balance of taste and nutritional value. Different consumers had different preferences for sweetness, sourness, and rose fragrance. More market research and experiments were needed to determine the best formula.
3. * * In terms of product innovation and market demand **
- In terms of product innovation, the current rose drink was mainly concentrated on combining with common fruits or plants, but it could be further explored to combine with other functional raw materials, such as combining with some Chinese herbal medicines with special health functions to meet the needs of more special consumer groups.
- The grasp of market demand was not precise enough. For example, more innovation could be made in terms of packaging forms and drinking scenes. At present, most rose drinks lacked distinctive packaging, and there was no targeted design for different consumption scenarios (such as after exercise, breakfast, etc.).
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