JPS5943137B2 - hard butter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lauric bird butter with extremely excellent melting properties.

Conventionally, lauric oils and fats known as coconut oil, palm kernel oil, etc. are used as bird bags, such as fractionated oils, hydrogenated oils, or transesterified oils obtained by fractionating them under appropriate conditions.

Among these, the fractionated oil obtained by solvent fractionation is usually used as it is or after hydrogenation.

Although such conventional bird palls have been used to some extent, they cannot yet be said to have satisfactory melting properties.

As a result of intensive research in view of the above points, the present inventors found that
We have obtained the knowledge that fractionated oils of lauric fats and oils in which the total number of carbon atoms in the bound fatty acid groups constituting triglycerides exist within a certain range exhibit extremely excellent melting properties when they are hydrogenated. Ta.

The present invention was completed based on this knowledge.

That is, the present invention provides a triglyceride composition of a fractionated oil obtained by fractionating lauric fats and oils.
) The ratio of TG-C38 component to 36 components is 8
The ratio of the TG-C34 component to the TG-C36 component is 30% or less at the 2nd scale (weight basis, the same applies hereinafter),
In addition, Bird Pal is made of a fractionated hydrogenated oil of lauric oil and fat in which the ratio of the TG-C42 component to the TG-C40 component is 65 parts or less.

According to the present invention, a fractionated oil of lauric fats and oils that satisfies the range specified in the present invention can be obtained using a relatively low polar solvent such as n-hexane, and a relatively low polar solvent such as acetone. It cannot be obtained with expensive solvents.

Taking palm kernel oil as an example, TRIC-21 before separation
An example of a J-do composition is as follows.

The results of the tricryceride composition of the fractionated oil obtained by fractionating palm kernel oil having the above composition with n-hexane are as shown in Production Example 1 below, and the results obtained by fractionating palm kernel oil with -10,000 acetone. The results of the fractionated oil are as shown in Comparative Production Example 3 below.

As is clear from comparing these two results, TG-C
The ratio of 38/TG-C36 is 76 when n-hexane is used, whereas it is 89 when acetone is used.

This result shows that there is a difference in the melting properties as shown in the figure.
As shown in 2.

Further, according to the present invention, TG-C36 component
When the proportion of C34 component exceeds 30%, the product becomes soft as a whole, and even when hydrogenated, the solid fat content index (SCI) value at 20° to 25°C is low, and the overall melting properties tend to lack sharpness. be.

Furthermore, if the ratio of the TG-C42 component to the TG-C40 component exceeds 65%, the hydrogenated hardened oil will have a high melting point portion and will have poor melting properties.

This is thought to be because the bound fatty acids in the TG-C42 component include unsaturated fatty acids with 18 carbon atoms, which become saturated fatty acids as a result of hydrogenation and become a cause of worsening zero melting.

It can be seen from the following experimental results that these phenomena are caused by increasing the yield of crystalline portions by carrying out production according to Production Example 1 described later.

As a result of measuring the melting properties of the two parts obtained in Experiment 4 which were subjected to extreme hydrogenation, the solid fat content index was
10 °C 76% 20 °C 75% 25 °C 69% 27.58C60% 30 °C 35% 35 °C 7% 37. The display was defective.

. Note that thin layer chromatography (TLC) is a method for measuring the trichloride composition of fats and oils, and in the present invention, measurement was performed using gas chromatography using the following equipment and conditions.

Equipment: ■Shimadzu Corporation, Model C4CM Detector: FID 350℃ Power Ram: 3FIEIIIφ x 50cm Glass filler: Silicon 0V-172% Chromosolve W, supported 60-80mesh (manufactured by Nishio Kogyo ■) Temperature = 225℃ Temperature increase to ~345℃ (5℃, /min) Carrier gas 2N2100ml 1Z minute Sample preparation: 2.5% CCl4 solution, 50μm injection Converted.

Production examples of the present invention and comparative production examples are illustrated below.

Production Example 1 1 part of deoxidized palm kernel oil (based on weight, the same applies hereinafter) was partially melted and then dissolved in 9 parts of n-hexane, and heated at △0.5°C/min from -16°C with stirring. The crystals precipitated by cooling with a temperature gradient were separated from each other.

Next, 2 parts of n-hexane cooled to -18°C was added to the crystals, thoroughly washed, separated, and the solvent was removed to obtain 0.56 parts (yield 56%) of a fractionated oil having the following properties. .

Melting point (Spt,) 3x, 5℃ Iodine value (IV) 6.0
6 By subjecting the above fractionated oil to extreme hydrogenation, hard butter having extremely excellent melting properties and an SCI value was obtained as shown in Figure 1.

Melting point: 33.3°C
The crystals were washed with 2 parts of n-hexane at -18°C and then the solvent was removed to obtain 0.6 parts of a fractionated oil having the following properties.

Melting point: 30.6°C IV, 9.79 The hardened oil obtained by extremely hydrogenating the above fractionated oil had a high melting point portion and poor melting properties, as shown in Figure 1.

Melting point: 34.3°C IV, 0.40 Comparative Production Example 2 0.49 part of a fractionated oil was obtained in the same manner as in Comparative Production Example 1 except that the oil was cooled with a temperature gradient of 60.05°C and 57 minutes.

Melting point: 31.0°C IV, 9.80 The hardened oil obtained by extremely hydrogenating this fractionated oil had poor melting properties and had a high melting point portion, as shown in Figure 2.

Melting point: 34.8°C IV, 0.31 Comparative example of fabrication 3 In Production Example 1, acetone (water content 0.2%) was used instead of n-hexane, and crystals precipitated at -4°C in the same manner. After separating the crystals, add 2 parts of acetone at -6°C, wash thoroughly, and then remove the solvent and obtain the following fractionated oil: 0.56
I got the department.

Melting point: 30.7°C IV, 10.4 As shown in Figure 2, the SCI value of the hardened oil obtained by subjecting this fractionated oil to extreme hydrogenation exhibited unsatisfactory properties as in the case of other comparative production examples.

Melting point: 34.2°C IV, 0.21 pieces Chocolate making example: After rolling and conching in a conventional manner, the mixture was poured into a mold, cooled, and separated from the mold to obtain chocolate.

Blend (based on weight) Powdered sugar 42.5 parts Cocoa powder 6.5 Skim milk powder 20.0 parts - Doba J-31.0 Lecithin 0.4 Bird Bak - The one obtained in Production Example 1 of the present invention was used The chocolate had good snap properties and no melting.

On the other hand, the chocolates obtained in Comparative Manufacturing Examples 1 to 3 had 0 poor melting properties.

[Brief explanation of the drawing]

Figures 1 and 2 are graphs showing the solid fat content index (SCI), and are the SCI values of hydrogenated oils of fractionated oils obtained in Production Example 1 and Production Comparative Examples 1 to 4 exemplified herein. It is.

Claims (1)

[Claims] 1. In the triglyceride composition of the fractionated oil obtained by fractionating lauric fats and oils, the total number of carbon atoms of the bonded fatty acid groups constituting the triglyceride (hereinafter abbreviated as TG-C) 3
The ratio of the TG-C38 component to the 6 components is below the 82nd ratio (based on weight, the same applies hereinafter), and the ratio of the TG-C38 component to the TG-C36 component is below 82
The proportion of G-C34 component is 30% or less, and TG
-The ratio of TG-C42 component to C40 component is 65%
Bird butter is made from the following fractionated hydrogenated lauric oils: