Preparation device and method of a whole-nutrition sea-buckthorn whole-fruit raw pulp

Abstract

The application discloses a preparation device and method of full-nutrition sea-buckthorn whole-fruit original pulp. The preparation device of full-nutrition sea-buckthorn whole-fruit original pulp comprises an upper grinding disc and a lower grinding disc which are overlapped and can rotate relatively. A first grinding area is formed on the side of the upper grinding disc facing the lower grinding disc, and a second grinding area is formed on the side of the lower grinding disc facing the upper grinding disc, and the first grinding area and the second grinding area cooperate to form a grinding space. The top of the upper grinding disc is concave downward to form a hopper-shaped material guiding space, the bottom of the material guiding space is provided with a material guiding channel vertically communicating the material guiding space and the grinding space, and the side of the lower grinding disc is provided with a pulp collecting disc for collecting the pulp flowing out of the grinding space. In this way, the sea-buckthorn whole fruit is fully ground, and the homogenization effect of the sea-buckthorn whole-fruit original pulp is better.

Description

Technical Field

[0001] This invention relates to the field of sea buckthorn fruit processing technology, and in particular to an apparatus and method for preparing whole-nutritional sea buckthorn fruit pulp. Background Technology

[0002] Sea buckthorn berries are rich in nutrients and are often processed into a pulp for consumers. Currently, the method for preparing whole sea buckthorn berry pulp involves using a rotating blade to crush the berries into a pulp.

[0003] However, due to the difference in hardness and density between the sea buckthorn fruit kernel and the sea buckthorn fruit pulp, the degree to which the sea buckthorn fruit kernel can be crushed is limited, resulting in a low homogeneity of the whole sea buckthorn fruit puree, which in turn affects the consumer's eating experience. Summary of the Invention

[0004] The main objective of this invention is to provide an apparatus and method for preparing whole-nutritional sea buckthorn fruit pulp, which aims to improve the homogenization degree of the whole-nutritional sea buckthorn fruit pulp.

[0005] A device for preparing whole-nutritional sea buckthorn fruit pulp includes an upper grinding disc and a lower grinding disc that are stacked on top of each other and can rotate relative to each other. The upper grinding disc has a first grinding zone on the side facing the lower grinding disc, and the lower grinding disc has a second grinding zone on the side facing the upper grinding disc, which is opposite to the first grinding zone. The first grinding zone and the second grinding zone cooperate to form a grinding space. The top of the upper grinding disc is recessed downward to form a bucket-shaped material guiding space. The bottom of the material guiding space is provided with a vertical material guiding channel that connects the material guiding space and the grinding space. The side of the lower grinding disc is provided with a pulp collecting disc for collecting the pulp flowing out of the grinding space.

[0006] In one embodiment, the lower grinding disc is provided with a transition hole extending vertically through the lower grinding disc, and the upper grinding disc is provided with a drive hole corresponding to the transition hole; it also includes a drive shaft, the drive shaft having a drive section that cooperates with the drive hole to drive the upper grinding disc to rotate, a transition section that extends downward from the bottom of the drive section into the transition hole and slides with the lower grinding disc, and a drive input section that extends downward from the bottom of the drive section through the lower grinding disc, the drive input section being used for transmission cooperation with the torque output structure.

[0007] In one embodiment, the lower grinding disc protrudes upward on the side facing the upper grinding disc to form a slurry-blocking ring, and the bottom of the upper grinding disc is recessed upward to form a receiving cavity for accommodating the slurry-blocking ring; the grinding space is located on the outer side of the slurry-blocking ring in the radial direction.

[0008] In one embodiment, the drive section and the upper grinding disc slide together along the axial direction of the drive section. A permanent magnet is provided on the side of the upper grinding disc near the lower grinding disc. An electromagnet corresponding to the permanent magnet is provided on the side of the lower grinding disc near the upper grinding disc. When the electromagnet is energized, the electromagnet and the permanent magnet can provide a repulsive force to lift and separate the upper grinding disc relative to the lower template along the axial direction of the drive section, so that the grinding space becomes a rinsing space.

[0009] In one embodiment, the lower grinding disc is provided with a first water supply channel, and the drive shaft is provided with a second water supply channel that is in communication with the first water supply channel. The inlet of the first water supply channel is located at the bottom of the lower grinding disc, and the outlet of the second water supply channel is located on the drive section. When the upper grinding disc is raised by energizing the electromagnet, the outlet of the second water supply channel is exposed on the inner wall of the drive hole. When the electromagnet is de-energized, the inner wall of the drive hole blocks the outlet of the second water supply channel.

[0010] In one embodiment, there are multiple electromagnets and multiple permanent magnets, and the multiple permanent magnets are distributed at intervals around the drive shaft.

[0011] In one embodiment, the drive shaft is fitted with an upper sealing ring and a lower sealing ring located within the adapter hole, and the upper and lower sealing rings are respectively positioned on the upper and lower sides of the first water conveying channel; the inner wall of the adapter hole is provided with an upper annular groove for installing the upper sealing ring and a lower annular groove for installing the lower sealing ring; the drive shaft is provided with a flow guiding annular groove, which is located between the upper annular groove and the lower sealing ring, and the inlet of the second water conveying channel is opened on the inner wall of the flow guiding annular groove.

[0012] In one embodiment, the drive shaft is fitted with an upper bearing and a lower bearing located within a transition hole. The upper bearing is located on the side of the upper sealing ring away from the lower sealing ring, and the lower bearing is located on the side of the lower sealing ring away from the upper sealing ring.

[0013] In one embodiment, the transition section is fitted with a waterproof ring, which is located on the side of the upper bearing opposite to the lower bearing.

[0014] This invention also provides a method for preparing a fully nutritious sea buckthorn whole fruit pulp, S10, washing the sea buckthorn fruit;

[0015] S20, the washed sea buckthorn berries are fed into the preparation device for the whole-nutrition sea buckthorn fruit pulp to grind the sea buckthorn berries into sea buckthorn fruit pulp; S30, the sea buckthorn fruit pulp is sterilized and packaged.

[0016] The beneficial effects of this invention are as follows: In preparing sea buckthorn whole fruit pulp, the washed sea buckthorn whole fruits are fed into the feeding space via a conveying mechanism. Under the action of gravity, the sea buckthorn whole fruits enter the grinding space along the feeding channel. Under the action of the relatively rotating upper and lower grinding discs, the sea buckthorn whole fruits are ground into pulp. The pulp flows out of the grinding space away from the rotation center of the upper and lower grinding discs and is collected by the pulp collecting disc. This ensures that the sea buckthorn whole fruits are thoroughly ground, resulting in a better homogenization effect in the sea buckthorn whole fruit pulp. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram showing the working state of the apparatus for preparing the all-nutrient sea buckthorn whole fruit pulp of the present invention;

[0019] Figure 2 yes Figure 1 A magnified view of a section at point A in the middle;

[0020] Figure 3 This is a schematic diagram of the cleaning state of the preparation device for the all-nutrient sea buckthorn whole fruit pulp of the present invention;

[0021] Figure 4 yes Figure 3 A magnified view of a section at point B.

[0022] Explanation of icon symbols:

[0023] 100. Upper grinding disc; 101. First grinding zone; 102. Material guiding space; 103. Material guiding channel; 104. Drive hole; 105. Permanent magnet; 106. Accommodating cavity; 200. Lower grinding disc; 201. Second grinding zone; 202. Slurry collecting disc; 203. Adapter hole; 203a. Upper ring groove; 203b. Lower ring groove; 204. Slurry baffle ring; 205. Electromagnet; 206. First water supply channel; 1a. Grinding space; 2a. Flushing space; 300. Drive shaft; 301. Drive section; 302. Adapter section; 302a. Flow guiding ring groove; 303. Drive input section; 304. Second water supply channel; 401. Upper sealing ring; 402. Lower sealing ring; 403. Upper bearing; 404. Lower bearing; 405. Waterproof ring.

[0024] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0027] Furthermore, the use of terms such as "first" and "second" in this invention is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this invention.

[0028] This invention provides an apparatus for preparing whole-nutritional sea buckthorn fruit puree, so as to provide consumers with sea buckthorn fruit puree with a high degree of homogenization.

[0029] Combination Figure 1 The apparatus for preparing whole-nutrition sea buckthorn fruit pulp includes an upper grinding disc 100 and a lower grinding disc 200 that are stacked on top of each other and can rotate relative to each other. The upper grinding disc 100 has a first grinding area 101 on the side facing the lower grinding disc 200, and the lower grinding disc 200 has a second grinding area 201 on the side facing the upper grinding disc 100, which is opposite to the first grinding area 101. The first grinding area 101 and the second grinding area 201 cooperate to form a grinding space 1a. The top of the upper grinding disc 100 is recessed downward to form a bucket-shaped material guiding space 102. The bottom of the material guiding space 102 is provided with a material guiding channel 103 that vertically connects the material guiding space 102 and the grinding space 1a. The side of the lower grinding disc 200 is surrounded by a pulp collecting disc 202 for collecting the pulp flowing out of the grinding space 1a.

[0030] When preparing whole sea buckthorn fruit pulp, the washed whole sea buckthorn fruit is fed into the feeding space 102 through a feeding mechanism (not shown in the figure). Under the action of gravity, the whole sea buckthorn fruit enters the grinding space 1a through the feeding channel 103. Under the action of the relatively rotating upper grinding disc 100 and lower grinding disc 200, the whole sea buckthorn fruit is ground into pulp. The pulp flows out of the grinding space 1a away from the rotation center of the upper and lower grinding discs 100 and 200 and is collected through the pulp collection disc 202.

[0031] It is understood that the slurry collecting plate 202 and the lower grinding plate 200 can be manufactured separately or integrally formed. In order to prevent the slurry collected in the slurry collecting plate 202 from overflowing, the height of the outer edge of the slurry collecting plate 202 is generally higher than the height of the top of the lower grinding plate 200; of course, in other embodiments, the height of the slurry collecting plate 202 can also be higher than the top of the upper grinding plate 100.

[0032] Furthermore, to facilitate the entry of whole sea buckthorn fruits into the grinding space 1a, the bottom of the upper grinding disc 100 is provided with a downward-opening funnel-shaped space, the top of which is connected to the bottom of the feed channel 103. Thus, whole sea buckthorn fruits can enter the grinding space 1a through the wedge-shaped gap formed between the inner wall of the funnel-shaped space and the top surface of the lower grinding disc 200, allowing the first grinding zone 101 and the second grinding zone 201 to grind the whole sea buckthorn fruits.

[0033] It should be noted that the relative rotation of the upper and lower grinding discs 100 and 200 can be such that one of them is stationary while the other rotates, or that they rotate in opposite directions, or that they rotate in the same direction but with a difference in speed between them.

[0034] Regarding the first grinding area 101 and the second grinding area 201, those skilled in the art will understand that the grinding area should be uneven, which can be formed by opening grooves on a plane.

[0035] Specifically, in combination Figure 2 In this embodiment, the lower grinding disc 200 is fixed, while the upper grinding disc 100 rotates relative to the lower grinding disc 200. Specifically, the lower grinding disc 200 has a vertically penetrating transition hole 203, and the upper grinding disc 100 has a vertically corresponding drive hole 104. It also includes a drive shaft 300, which has a drive section 301 that engages with the drive hole 104 to drive the upper grinding disc 100 to rotate; a transition section 302 that extends downward from the bottom of the drive section 301 into the transition hole 203 and slides with the lower grinding disc 200; and a drive input section 303 that extends downward from the bottom of the drive section 301 out of the lower grinding disc 200. The drive input section 303 is used for transmission engagement with the torque output structure.

[0036] For ease of installation, the device also includes a bracket (not shown in the figure), with the lower grinding disc 200 mounted on the bracket so that the bottom of the lower grinding disc 200 is suspended, thereby allowing the drive shaft 300 and the torque output structure that cooperates with the drive to be conveniently and easily configured at the bottom of the lower grinding disc 200.

[0037] Since the sea buckthorn berries used to prepare whole sea buckthorn pulp are fresh berries, they contain a certain amount of moisture. When the sea buckthorn berries enter the grinding space 1a, they are crushed and ground before becoming pulp. During the crushing of the sea buckthorn berries, the sea buckthorn pulp splashes outwards. To prevent the splashed sea buckthorn pulp from flowing into the transfer hole 203, this embodiment proposes that the lower grinding disc 200 has an upward protrusion on the side facing the upper grinding disc 100 to form a pulp-blocking ring 204 that fits into the transfer section 302, and the bottom of the upper grinding disc 100 is recessed upwards to form a cavity for accommodating the pulp-blocking ring 204; the grinding space 1a is located on the outer side of the pulp-blocking ring 204 in the radial direction. Thus, under the constraint of the baffle ring 204, the sea buckthorn juice is blocked outside the transfer hole 203; that is, it avoids the sea buckthorn pulp flowing towards and splashing into the inner wall of the transfer section 302 and the inner wall of the transfer hole 203, preventing the sliding fit between the transfer section 302 and the inner wall of the transfer hole 203 from being jammed by the sea buckthorn pulp; in other words, the baffle ring 204 can effectively ensure the smooth rotational fit between the transfer section 302 and the lower grinding disc 200. At the same time, the baffle ring 204 can also prevent the sea buckthorn pulp from leaking outward from the gap between the outer wall of the transfer section 302 and the inner wall of the transfer hole 203.

[0038] Currently, after each pulping process, the upper and lower grinding discs 100 and 200 are typically disassembled for cleaning. However, this method is too cumbersome and labor-intensive, making it unsuitable for industrial production.

[0039] Combination Figure 3 , Figure 4 Therefore, this embodiment proposes that the drive section 301 and the upper grinding disc 100 slide together along the axial direction of the drive section 301. The upper grinding disc 100 is provided with a permanent magnet 105 on the side near the lower grinding disc 200. The lower grinding disc 200 is provided with an electromagnet 205 corresponding to the permanent magnet 105 on the side near the upper grinding disc 100. When the electromagnet 205 is energized, the electromagnet 205 and the permanent magnet 105 can provide a repulsive force to lift and separate the upper grinding disc 100 relative to the lower grinding disc 200 along the axial direction of the drive section 301, so as to form a rinsing space 2a between the first grinding area 101 and the second grinding area 201.

[0040] When the upper and lower grinding discs 100 and 200 need to be cleaned, the electromagnet 205 is energized. The electromagnet 205 and the permanent magnet 105 provide a repulsive force that lifts and separates the upper grinding disc 100 relative to the lower grinding disc 200 along the axis of the drive section 301. This causes the first grinding zone 101 and the second grinding zone 201 to lose their grinding effect on the whole sea buckthorn fruit due to the increased distance between them, allowing water to flow between the first grinding zone 101 and the second grinding zone 201. Thus, the grinding space 1a becomes the rinsing space 2a. In this way, the residual sea buckthorn pulp on the first grinding zone 101 and the second grinding zone 201 can be easily washed away.

[0041] Specifically, in this embodiment, the lower grinding disc 200 is provided with a first water supply channel 206, and the drive shaft 300 is provided with a second water supply channel 304 that is in communication with the first water supply channel 206. The inlet of the first water supply channel 206 is located at the bottom of the lower grinding disc 200, and the outlet of the second water supply channel 304 is located on the drive section 301. When the upper grinding disc 100 is raised by energizing the electromagnet 205, the outlet of the second water supply channel 304 is exposed on the inner wall of the drive hole 104. When the electromagnet 205 is de-energized, the inner wall of the drive hole 104 blocks the outlet of the second water supply channel 304.

[0042] When the upper and lower grinding discs 100 and 200 need to be cleaned, the electromagnet 205 is energized, and the grinding space 1a becomes the rinsing space 2a. Water flows into the rinsing space 2a from the outlet of the second water supply channel 304 and flows away from the drive shaft 300. At this time, since the upper grinding disc 100 is rotating during the rinsing process, the height of the two sides of the rinsing space 2a is uneven due to the unevenness of the first grinding area 101 and the second grinding area 201. As a result, the water flow in the rinsing space 2a will continuously generate turbulence as it flows from the outlet of the second water supply channel 304 away from the drive shaft 300. This turbulence can be used to flush the slurry adhering to the first grinding area 101 and the second grinding area 201 in multiple directions, so that the slurry can be more easily removed from the first grinding area 101 and the second grinding area 201, thereby achieving the effect of effectively cleaning the first grinding area 101 and the second grinding area 201.

[0043] Furthermore, there are multiple electromagnets 205 and multiple permanent magnets 105, which are distributed at intervals around the drive shaft 300. Thus, when the drive shaft 300 drives the upper grinding disc 100 to rotate, the magnitude of the repulsive force that lifts the upper grinding disc 100 changes, causing more drastic changes in height at various points within the rinsing space 2a. Consequently, as the water flows from the outlet of the second water supply channel 304 away from the drive shaft 300, the frequency and degree of turbulence in the water flow increase, thereby improving the effective cleaning effect of the first grinding zone 101 and the second grinding zone 201.

[0044] Furthermore, in this embodiment, the transition section 302 is fitted with an upper sealing ring 401 and a lower sealing ring 402 located within the transition hole 203, and the upper sealing ring 401 and the lower sealing ring 402 are respectively placed on the upper and lower sides of the first water conveying channel 206; the inner wall of the transition hole 203 is provided with an upper annular groove 203a for installing the upper sealing ring 401 and a lower annular groove 203b for installing the lower sealing ring 402; the transition section 302 is provided with a flow guiding annular groove 302a, which is located between the upper annular groove 203a and the lower annular groove 203b, and the inlet of the second water conveying channel 304 is opened on the inner wall of the flow guiding annular groove 302a.

[0045] The upper sealing ring 401 and the lower sealing ring 402 can seal the upper and lower sides of the guide ring groove 302a, preventing water from flowing out through the gap between the outer wall of the transition section 302 and the inner wall of the transition hole 203, thereby ensuring that the water can flow according to the designed conveying trajectory.

[0046] Furthermore, in this embodiment, the adapter section 302 is fitted with an upper bearing 403 and a lower bearing 404 located within the adapter hole 203. The upper bearing 403 is located on the side of the upper sealing ring 401 away from the lower sealing ring 402, and the lower bearing 404 is located on the side of the lower sealing ring 402 away from the upper sealing ring 401.

[0047] Furthermore, the transition section 302 is fitted with a waterproof ring 405, which is located on the side of the upper bearing 403 opposite to the lower bearing 404. This prevents the rinsing water from flowing into the upper bearing 403 through the gap between the outer wall of the transition section 302 and the inner wall of the transition hole 203.

[0048] In addition, the present invention also provides a method for preparing a fully nutritious sea buckthorn whole fruit pulp, comprising the following steps:

[0049] S10, clean the sea buckthorn berries;

[0050] S20, the washed sea buckthorn fruit is fed into the whole-nutrition sea buckthorn fruit pulp preparation device described in any of the above embodiments to grind the sea buckthorn fruit into sea buckthorn fruit pulp;

[0051] S30 is used to disinfect, sterilize, and package sea buckthorn pulp.

[0052] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A device for preparing whole-nutritional sea buckthorn fruit pulp, characterized in that, It includes an upper grinding disc and a lower grinding disc that are stacked on top of each other and can rotate relative to each other; the upper grinding disc has a first grinding area on the side facing the lower grinding disc, and the lower grinding disc has a second grinding area on the side facing the upper grinding disc, which is opposite to the first grinding area. The first grinding area and the second grinding area cooperate to form a grinding space. The top of the upper grinding disc is recessed downward to form a bucket-shaped material guiding space. The bottom of the material guiding space is provided with a material guiding channel that vertically connects the material guiding space and the grinding space. The side of the lower grinding disc is surrounded by a slurry collecting disc for collecting the slurry flowing out of the grinding space. The lower grinding disc is provided with a vertically penetrating transition hole, and the upper grinding disc is provided with a vertically corresponding drive hole; It also includes a drive shaft having a drive section that engages with a drive hole to drive the upper grinding disc to rotate, a transition section that extends downward from the bottom of the drive section into a transition hole and engages with the lower grinding disc, and a drive input section that extends downward from the bottom of the drive section through the lower grinding disc, the drive input section being used to engage with a torque output structure for transmission. The drive section and the upper grinding disc slide together along the axial direction of the drive section. A permanent magnet is provided on the side of the upper grinding disc near the lower grinding disc. An electromagnet corresponding to the permanent magnet is provided on the side of the lower grinding disc near the upper grinding disc. When the electromagnet is energized, the electromagnet and the permanent magnet can provide a repulsive force to lift and separate the upper grinding disc relative to the lower grinding disc along the axis of the drive section, so that the grinding space becomes a rinsing space. The lower grinding disc is provided with a first water supply channel, and the drive shaft is provided with a second water supply channel that is in communication with the first water supply channel. The inlet of the first water supply channel is located at the bottom of the lower grinding disc, and the outlet of the second water supply channel is located on the drive section. When the upper grinding disc is raised by the electromagnet being energized, the outlet of the second water supply channel is exposed on the inner wall of the drive hole; when the electromagnet is de-energized, the inner wall of the drive hole blocks the outlet of the second water supply channel. There are multiple electromagnets and permanent magnets, and these multiple electromagnets and permanent magnets are distributed at intervals around the drive shaft.

2. The apparatus for preparing whole-nutrition sea buckthorn fruit pulp as described in claim 1, characterized in that, The lower grinding disc protrudes upward on the side facing the upper grinding disc to form a slurry-blocking ring, and the bottom of the upper grinding disc is recessed upward to form a receiving cavity for accommodating the slurry-blocking ring; the grinding space is located on the outer side of the slurry-blocking ring in the radial direction.

3. The apparatus for preparing whole-nutrition sea buckthorn fruit pulp as described in claim 1, characterized in that, The drive shaft is fitted with an upper sealing ring and a lower sealing ring located in the adapter hole, and the upper sealing ring and the lower sealing ring are respectively placed on the upper and lower sides of the first water conveying channel. The inner wall of the adapter hole is provided with an upper annular groove for installing the upper sealing ring and a lower annular groove for installing the lower sealing ring. The drive shaft is provided with a flow guide ring groove, which is located between the upper ring groove and the lower sealing ring. The inlet of the second water conveying channel is opened on the inner wall of the flow guide ring groove.

4. The apparatus for preparing whole-nutrition sea buckthorn fruit pulp as described in claim 3, characterized in that, The drive shaft sleeve is equipped with an upper bearing and a lower bearing located in the adapter hole. The upper bearing is located on the side of the upper sealing ring away from the lower sealing ring, and the lower bearing is located on the side of the lower sealing ring away from the upper sealing ring.

5. The apparatus for preparing whole-nutrition sea buckthorn fruit pulp as described in claim 3, characterized in that, The transition section is fitted with a waterproof ring, which is located on the side of the upper bearing away from the lower bearing.

6. A method for preparing a fully nutritious sea buckthorn whole fruit pulp, characterized in that, S10, clean the sea buckthorn berries; S20, the washed sea buckthorn fruit is fed into the preparation device for the whole nutrient sea buckthorn fruit pulp according to any one of claims 1-5, so as to grind the sea buckthorn fruit into sea buckthorn fruit pulp; S30 is used for sterilization and packaging of sea buckthorn fruit pulp.

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