阅读说明：本技术 一种营养红糖及其制备方法 (Nutritional brown sugar and preparation method thereof ) 是由 钱小红 于 2019-11-01 设计创作，主要内容包括：本发明提出了一种营养红糖,由以下原料按重量制备而成：冰糖100-150份、甘草20-30份、甘蔗50-100份、仙茅20-30份、甜叶菊15-20份。本发明提供的营养红糖及其制备方法,工艺简单,操作方便,适于工业化生产,甜度高,且具有清热解毒、消炎止痛、提高免疫力,调节三高等效果,加工过程中不添加任何化学试剂和食品添加剂,保证了食品的绿色安全性,本发明采用酶解法制得的红糖晶粒细小,色泽自然,含杂质较少,具有很高的营养价值。(The invention provides nutritional brown sugar which is prepared from the following raw materials in parts by weight: 100-150 parts of rock candy, 20-30 parts of liquorice, 50-100 parts of sugarcane, 20-30 parts of rhizoma curculiginis and 15-20 parts of stevia rebaudiana. The nutritional brown sugar and the preparation method thereof provided by the invention have the advantages of simple process, convenience in operation, suitability for industrial production, high sweetness, effects of clearing away heat and toxic materials, diminishing inflammation and relieving pain, improving immunity, regulating hypertension, hyperlipidemia and the like, no chemical reagent or food additive is added in the processing process, and the green safety of food is ensured.)

1. The nutritional brown sugar is characterized by being prepared from the following raw materials in parts by weight: 100-150 parts of rock candy, 20-30 parts of liquorice, 50-100 parts of sugarcane, 20-30 parts of rhizoma curculiginis and 15-20 parts of stevia rebaudiana.

2. The nutritional brown sugar according to claim 1, which is prepared from the following raw materials by weight: 125 parts of rock candy, 25 parts of liquorice, 70 parts of sugarcane, 24 parts of curculigo orchioides and 17 parts of stevia rebaudiana.

3. A method for preparing the nutritional brown sugar as claimed in claim 1 or 2, which comprises the following steps:

s1, cleaning liquorice, curculigo orchioides and stevia rebaudiana, drying, chopping, uniformly mixing, adding pure water, extracting for 1-2h by boiling water, filtering, and keeping filtrate;

s2, peeling sugarcane, cutting into sections, squeezing, and filtering juice to obtain primary sugarcane juice; adding sucrase and maltase into the primary sugarcane juice, adjusting conditions for enzymolysis, inactivating enzymes, and filtering to obtain sugarcane juice;

s3, combining the filtrate obtained in the step S1 and the sugarcane juice obtained in the step S2, and concentrating until the relative density is 1.5-2 to obtain a concentrated solution;

s4, heating the crystal sugar in a sugar dissolving pot with slow fire until the crystal sugar is melted, adding the concentrated solution, uniformly stirring, decocting with slow fire until the relative density is 4-4.5, and turning off the fire;

s5, spreading the boiled liquid on a cooling bed, neatly marking the liquid by using a marking tool, and packaging and selling the liquid after completely cooling and forming.

4. The preparation method according to claim 3, wherein the volume mass ratio of the pure water to the mixture of licorice, curculigo orchioides and stevia rebaudiana is (5-10): 1.

5. the method according to claim 3, wherein the sucrase and the maltase are added in an amount of 1000U/kg and 700U/kg, respectively.

6. The method according to claim 3, wherein the enzymatic activities of sucrase and maltase are 300U/g and 500U/g, respectively.

7. The preparation method according to claim 3, wherein the enzymolysis condition is pH 5, the temperature is 70-80 ℃, and the enzymolysis time is 1-2 h.

8. The method according to claim 3, wherein the enzyme deactivation method is heating at 105 ℃ for 10 min.

9. The method of claim 3, wherein the concentration is carried out by ultrafiltration using a ceramic membrane having a pore size of 0.05 to 0.10 μm.

10. The method of claim 9, wherein the operating conditions of the ceramic membrane ultrafiltration are: the transmembrane pressure difference is 0.15-0.27MPa, the filtration temperature is 50-60 ℃, and the membrane surface flow rate is 7-10 m/s.

Technical Field

The invention relates to the technical field of brown sugar processing, and particularly relates to nutritional brown sugar and a preparation method thereof.

Background

Brown sugar is red to reddish brown crystals, also called brown sugar, made by squeezing stems of grass plant sugarcane to obtain juice and refining. Brown sugar retains almost all the ingredients in sugarcane juice, and besides having the function of sugar, it also contains vitamins and trace elements, such as: the nutrient contents of iron, zinc, manganese and the like are many times higher than that of white granulated sugar. Brown sugar can also be used as a medicine, and in terms of traditional Chinese medicine, brown sugar is warm in nature, sweet in taste and capable of entering spleen, has the effects of enriching blood, dissipating blood stasis, warming liver, dispelling cold and the like, and is particularly suitable for being eaten by puerperae and children with anemia.

However, brown sugar has the effects of nourishing blood and enriching blood, but has a single component, so the nourishing effect is not good.

Disclosure of Invention

The invention provides nutritional brown sugar with good nutritional value and a preparation method thereof, and provides a new preparation method of brown sugar so as to improve the industrialization level and quality of brown sugar.

The invention provides nutritional brown sugar which is prepared from the following raw materials in parts by weight: 100-150 parts of rock candy, 20-30 parts of liquorice, 50-100 parts of sugarcane, 20-30 parts of rhizoma curculiginis and 15-20 parts of stevia rebaudiana.

As a further improvement of the invention, the health-care food is prepared from the following raw materials in parts by weight: 125 parts of rock candy, 25 parts of liquorice, 70 parts of sugarcane, 24 parts of curculigo orchioides and 17 parts of stevia rebaudiana.

The invention further provides a preparation method of the nutritional brown sugar, which comprises the following steps:

s1, cleaning liquorice, curculigo orchioides and stevia rebaudiana, drying, chopping, uniformly mixing, adding pure water, extracting for 1-2h by boiling water, filtering, and keeping filtrate;

s2, peeling sugarcane, cutting into sections, squeezing, and filtering juice to obtain primary sugarcane juice; adding sucrase and maltase into the primary sugarcane juice, adjusting conditions for enzymolysis, inactivating enzymes, and filtering to obtain sugarcane juice;

s3, combining the filtrate obtained in the step S1 and the sugarcane juice obtained in the step S2, and concentrating until the relative density is 1.5-2 to obtain a concentrated solution;

s4, heating the crystal sugar in a sugar dissolving pot with slow fire until the crystal sugar is melted, adding the concentrated solution, uniformly stirring, decocting with slow fire until the relative density is 4-4.5, and turning off the fire;

s5, spreading the boiled liquid on a cooling bed, neatly marking the liquid by using a marking tool, and packaging and selling the liquid after completely cooling and forming.

As a further improvement of the invention, the volume mass ratio of the pure water to the mixture of liquorice, curculigo orchioides and stevia rebaudiana is (5-10): 1.

as a further improvement of the invention, the addition amounts of the sucrase and the maltase are 1000U/kg and 700U/kg, respectively.

As a further improvement of the invention, the enzyme activities of the sucrase and the maltase are 300U/g and 500U/g respectively.

As a further improvement of the invention, the enzymolysis condition is that the pH is 5, the temperature is 70-80 ℃, and the enzymolysis time is 1-2 h.

As a further improvement of the invention, the enzyme deactivation method is heating at 105 ℃ for 10 min.

As a further improvement of the invention, the concentration method adopts ceramic membrane ultrafiltration, and the pore diameter of the ceramic membrane is 0.05-0.10 μm.

As a further improvement of the invention, the operating conditions of the ultrafiltration of the ceramic membrane are as follows: the transmembrane pressure difference is 0.15-0.27MPa, the filtration temperature is 50-60 ℃, and the membrane surface flow rate is 7-10 m/s.

The liquorice is sweet and neutral in nature, enters heart, lung, spleen and stomach channels, tonifies spleen and qi, eliminates phlegm and stops coughing, relieves spasm and pain, clears heat and detoxifies and harmonizes the other drugs;

sugarcane is sweet in nature, mild in nature, capable of removing heat to quench thirst, harmonizing the middle energizer, and widely separating to drain water. Can be used for treating fever, dry mouth, cough due to lung dryness, sore throat, dysphoria with smothery sensation in chest, regurgitation, emesis, and edema of pregnancy,

curculigo orchioides is hot in nature and pungent in taste, enters kidney, liver and spleen meridians, and warms kidney yang and strengthens body; dispel cold-dampness. Impotence and cold essence; urinary incontinence; abdominal cold pain; soreness of the waist and knees; the muscles and bones are weak; contracture of the lower limbs; climacteric syndrome

Stevia rebaudiana, sweet in taste; huaiping, promoting the production of body fluid to quench thirst; reducing blood pressure. Diabetes mainly; hypertension.

The invention has the following beneficial effects: the nutritional brown sugar and the preparation method thereof provided by the invention have the advantages of simple process, convenience in operation, suitability for industrial production, high sweetness, effects of clearing away heat and toxic materials, diminishing inflammation and relieving pain, improving immunity, regulating hypertension, hyperlipidemia and the like, no chemical reagent or food additive is added in the processing process, and the green safety of food is ensured.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The raw materials comprise the following components in parts by weight: 100 parts of rock candy, 20 parts of liquorice, 50 parts of sugarcane, 20 parts of curculigo orchioides and 15 parts of stevia rebaudiana.

A preparation method of nutritional brown sugar comprises the following steps:

s1, cleaning liquorice, curculigo orchioides and stevia rebaudiana, drying, chopping, uniformly mixing, and mixing according to a solid-to-liquid ratio of 1: adding 5g/mL of the extract into pure water, extracting with boiling water for 1h, filtering, and keeping the filtrate;

s2, peeling sugarcane, cutting into sections, squeezing, and filtering juice to obtain primary sugarcane juice; adding sucrase (with enzyme activity of 300U/g) and maltase (with enzyme activity of 500U/g) into the primary sugarcane juice, wherein the addition amounts are 1000U/kg and 700U/kg respectively, adjusting the pH to 5 by using 1mol/LHCl solution, adjusting the temperature to 70 ℃, performing enzymolysis for 1h, and performing enzyme deactivation, wherein the enzyme deactivation method comprises heating at 105 ℃ for 10min and filtering to obtain the sugarcane juice;

s3, combining the filtrate obtained in the step S1 and the sugarcane juice obtained in the step S2, and concentrating until the relative density is 1.5 to obtain a concentrated solution;

the concentration method adopts ceramic membrane ultrafiltration, the aperture of the ceramic membrane is 0.05 mu m, and the operating conditions of the ceramic membrane ultrafiltration are as follows: the transmembrane pressure difference is 0.15MPa, the filtration temperature is 50 ℃, and the membrane surface flow rate is 7 m/s.

S4, heating the crystal sugar in a sugar dissolving pot with slow fire until the crystal sugar is melted, adding the concentrated solution, uniformly stirring, decocting with slow fire until the relative density is 4, and turning off the fire;

s5, spreading the boiled liquid on a cooling bed, neatly marking the liquid by using a marking tool, and packaging and selling the liquid after completely cooling and forming.

Example 2

The raw materials comprise the following components in parts by weight: 150 parts of rock candy, 30 parts of liquorice, 100 parts of sugarcane, 30 parts of rhizoma curculiginis and 20 parts of stevia rebaudiana.

A preparation method of nutritional brown sugar comprises the following steps:

s1, cleaning liquorice, curculigo orchioides and stevia rebaudiana, drying, chopping, uniformly mixing, and mixing according to a solid-to-liquid ratio of 1: adding 10g/mL of the extract into pure water, extracting for 2 hours by boiling water, filtering, and keeping the filtrate;

s2, peeling sugarcane, cutting into sections, squeezing, and filtering juice to obtain primary sugarcane juice; adding sucrase (with enzyme activity of 300U/g) and maltase (with enzyme activity of 500U/g) into the primary sugarcane juice, wherein the addition amounts are 1000U/kg and 700U/kg respectively, adjusting the pH to 5 by using 1mol/LHCl solution, adjusting the temperature to 80 ℃, performing enzymolysis for 2h, and performing enzyme deactivation, wherein the enzyme deactivation method comprises heating at 105 ℃ for 10min, and filtering to obtain the sugarcane juice;

s3, combining the filtrate obtained in the step S1 and the sugarcane juice obtained in the step S2, and concentrating until the relative density is 2 to obtain a concentrated solution;

the concentration method adopts ceramic membrane ultrafiltration, the aperture of the ceramic membrane is 0.10 mu m, and the operating conditions of the ceramic membrane ultrafiltration are as follows: the transmembrane pressure difference is 0.27MPa, the filtration temperature is 60 ℃, and the membrane surface flow rate is 10 m/s.

S4, heating the crystal sugar in a sugar dissolving pot with slow fire until the crystal sugar is melted, adding the concentrated solution, uniformly stirring, decocting with slow fire until the relative density is 4.5, and turning off the fire;

s5, spreading the boiled liquid on a cooling bed, neatly marking the liquid by using a marking tool, and packaging and selling the liquid after completely cooling and forming.

Example 3

The raw materials comprise the following components in parts by weight: 125 parts of rock candy, 25 parts of liquorice, 70 parts of sugarcane, 24 parts of curculigo orchioides and 17 parts of stevia rebaudiana.

A preparation method of nutritional brown sugar comprises the following steps:

s1, cleaning liquorice, curculigo orchioides and stevia rebaudiana, drying, chopping, uniformly mixing, and mixing according to a solid-to-liquid ratio of 1: adding 7g/mL of the extract into pure water, extracting with boiling water for 1.5h, filtering, and keeping the filtrate;

s2, peeling sugarcane, cutting into sections, squeezing, and filtering juice to obtain primary sugarcane juice; adding sucrase (enzyme activity 300U/g) and maltase (enzyme activity 500U/g) into the primary sugarcane juice, wherein the addition amounts are 1000U/kg and 700U/kg respectively, adjusting the pH to 5 by using 1mol/LHCl solution, adjusting the temperature to 70-80 ℃, performing enzymolysis for 1.5h, performing enzyme deactivation, heating at 105 ℃ for 10min, and filtering to obtain the sugarcane juice;

s3, combining the filtrate obtained in the step S1 and the sugarcane juice obtained in the step S2, and concentrating until the relative density is 1.7 to obtain a concentrated solution;

the concentration method adopts ceramic membrane ultrafiltration, the aperture of the ceramic membrane is 0.07 mu m, and the operating conditions of the ceramic membrane ultrafiltration are as follows: the transmembrane pressure difference is 0.2MPa, the filtration temperature is 55 ℃, and the membrane surface flow rate is 8 m/s.

S4, heating the crystal sugar in a sugar dissolving pot with slow fire until the crystal sugar is melted, adding the concentrated solution, uniformly stirring, decocting with slow fire until the relative density is 4.2, and turning off the fire;

s5, spreading the boiled liquid on a cooling bed, neatly marking the liquid by using a marking tool, and packaging and selling the liquid after completely cooling and forming.

Test example 1

The nutritional brown sugar prepared in examples 1-3 of the present invention was tested with common brown sugar (purchased from Chao' an district quality Kanghong sugar factory, Guangdong Chaozhou) and the results are shown in tables 1 and 2.

TABLE 1

	Product characteristics
		Nutritional Brown sugar prepared in examples 1-3	The product has rich nutrients and special flavor
Common brown sugar	Constant nutrient species and content

TABLE 2

	Example 1	Example 2	Example 3	Common brown sugar
					Sugar content/% of sucrose	85.2	83.4	87.5	67.2
Polyphenol/%)	0.75	0.72	0.82	0.35
					Amino acid/%)	2.53	2.47	2.92	0.29
turbidity/NTU	0.56	0.67	0.42	2.34

Compared with the prior art, the nutritional brown sugar and the preparation method thereof provided by the invention have the advantages of simple process, convenience in operation, suitability for industrial production, high sweetness, effects of clearing away heat and toxic materials, diminishing inflammation and relieving pain, improving immunity, regulating hypertension, hyperlipidemia and the like, no chemical reagent or food additive is added in the processing process, and the green safety of food is ensured.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.