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<span class="text_page_counter">Trang 1</span><div class="page_container" data-page="1">
<b>Đánh giá cảm quan trong nghiên cứu phát </b>
<b>triển sản phẩm</b>
</div><span class="text_page_counter">Trang 2</span><div class="page_container" data-page="2"><b>I. Tổng quan về đánh giá cảm quan</b>
<i><b>Mối liên hệ giữa ngành khoa học cảm quan với </b></i>
</div><span class="text_page_counter">Trang 3</span><div class="page_container" data-page="3"><b>Khái niệm</b>
Đánh giá cảm quan là một phương pháp khoa học được dùng để gợi lên, đo đạc, phân tích và giải thích các cảm nhận của con người đối với sản phẩm thông qua các giác quan là thị giác, khứu giác, xúc giác, vị giác và thính giác.
</div><span class="text_page_counter">Trang 4</span><div class="page_container" data-page="4"><b>Mối liên quan giữa đánh giá cảm quan với khoa học tự nhiên và hành vi con người</b>
<b>Cơ sở khoa học của đánh giá cảm quan </b>
</div><span class="text_page_counter">Trang 5</span><div class="page_container" data-page="5"><b>Mối liên hệ giữa khoa học cảm quan và các lĩnh vực khác</b>
<b>Mối tương tác giữa kỹ thuật phân tích cảm quan với các lĩnh vực khác trong thực phẩm </b>
</div><span class="text_page_counter">Trang 6</span><div class="page_container" data-page="6">Contents of this template
<small>- You can tốc độ phản ugnws delete this slide when you’re done editing the presentation</small>
</div><span class="text_page_counter">Trang 7</span><div class="page_container" data-page="7"><i><b>Cơ chế cảm nhận</b></i>
</div><span class="text_page_counter">Trang 8</span><div class="page_container" data-page="8"><b>Mùi và khứu giác</b>
- Đánh giá cảm quan bằng khứu giác • Động tác: hít đều từng đợt
• Cảm giác về mùi tăng nếu ta hít mạnh
• Có hiện tượng mệt mỏi, thích nghi của khứu giác hay lượng mùi giảm
- Các yếu tố ảnh hưởng đến khả năng cảm thụ mùi:
• Tuổi: người lớn phân biệt mùi tốt hơn trẻ em ( trẻ em còn thiếu kinh nghiệm, người già có kinh nghiệm nhưng sự cảm nhận giảm do tế bào bị lão hóa)
• Giới tính: phụ nữ nhạy cảm hơn nam giới • Phụ thuộc vào giác quan
• Tình trạng no đói: khả năng nhạy cảm tăng lên khi đói và giảm khi no
+ Khả năng nhạy cảm tốt nhất trong khoảng 10 – 11 giờ+ Đánh giá lúc khơng no khơng đói
</div><span class="text_page_counter">Trang 9</span><div class="page_container" data-page="9">- Đánh giá cảm quan bằng vị giác:
• Chập lưỡi nhiều lần, suy nghĩ cảm giác, tiết nước bọt
• Làm sạch lưỡi trước khi đưa mẫu mới vào
</div><span class="text_page_counter">Trang 10</span><div class="page_container" data-page="10"><b>Vị và vị giác (tiếp)</b>
- Các yếu tố ảnh hưởng đến khả năng cảm nhận vị:
• Tuổi: trẻ em nhận biết vị ngọt cao hơn người lớn nhưng khó nhận biết vị đắng. Người giá khó nhận biết vị ngọt
• Nhiệt độ: Nhiệt độ tăng khả năng cảm nhận vị ngọt tang, vị đắng
</div><span class="text_page_counter">Trang 11</span><div class="page_container" data-page="11"><b>Màu và thị giác</b>
- Thị giác là giác quan được sử dụng đến đầu tiên khi người thử tiếp xúc với sản phẩm
- Giúp xác định những tính chất của thực phẩm: độ nhám bề mặt, kích thước hay số lượng, vết lõm bề mặt, độ trong, độ đục, độ bóng lống…
- Màu nhận được phụ thuộc vào: thành phần quan phổ, độ chiếu sáng, độ nhạy của mắt
- Thị giác đưa ra ngay những so sánh về các đối tượng khi chúng được đưa ra cùng lúc với số lượng không quá lớn
- Màu sắc gây ra những ảnh hưởng khác nhau đến cảm giác them ăn của con người
</div><span class="text_page_counter">Trang 14</span><div class="page_container" data-page="14">Mercury the closest
Venus is the second
Jupiter is the biggest
planet of them all <sup>Waiting</sup>
</div><span class="text_page_counter">Trang 16</span><div class="page_container" data-page="16">The slide title goes
● You can organize your ideas clearly
● <sub>You’ll never forget to buy milk!</sub>
And the most important thing: the audience won’t miss the point of your presentation
</div><span class="text_page_counter">Trang 18</span><div class="page_container" data-page="18">You can give a brief description of the topic you want to talk about here. For example, if you want to talk about Mercury, you can say that it’s the smallest planet in the entire Solar System
</div><span class="text_page_counter">Trang 19</span><div class="page_container" data-page="19">How to enjoy the festival
Mercury is the closest planet to the Sun and the smallest one in the Solar System—it’s
only a bit larger than the Moon
Venus has a beautiful name and is the second planet from the Sun. It’s hot and has a poisonous atmosphere
</div><span class="text_page_counter">Trang 20</span><div class="page_container" data-page="20">What should you bring
It’s the closest planet to the Sun and the smallest in the Solar
Venus has a beautiful name and is the second
planet from the Sun
Despite being red, Mars is actually a cold place. It’s full of iron oxide dust
</div><span class="text_page_counter">Trang 21</span><div class="page_container" data-page="21">Plan your festival
Venus is the second planet from the Sun
It’s the farthest planet from the Sun
Despite being red, Mars is a cold place
It’s a gas giant and has several rings
</div><span class="text_page_counter">Trang 22</span><div class="page_container" data-page="22">The juicy festival
Jupiter is the biggest planet of them all
It’s composed of hydrogen and helium
It’s the farthest planet from the Sun
Mercury is the closest planet to the Sun
Venus is the second planet from the Sun
Mars is actually a very cold place
</div><span class="text_page_counter">Trang 23</span><div class="page_container" data-page="23">Awesome words
</div><span class="text_page_counter">Trang 24</span><div class="page_container" data-page="24">—Someone Famous
“This is a quote, words full of wisdom that someone
important said and can make the reader get inspired”
</div><span class="text_page_counter">Trang 25</span><div class="page_container" data-page="25">A picture is worth a thousand words
</div><span class="text_page_counter">Trang 26</span><div class="page_container" data-page="26">A picture always
reinforces the concept
Images reveal large amounts of data, so remember: use an
image instead of a long text. Your audience will appreciate it
</div><span class="text_page_counter">Trang 27</span><div class="page_container" data-page="27">You can enter a subtitle here if you need it
</div><span class="text_page_counter">Trang 28</span><div class="page_container" data-page="28">7,498,000Big numbers catch your audience’s attention
</div><span class="text_page_counter">Trang 30</span><div class="page_container" data-page="30">Venus is the second planet from the Sun
</div><span class="text_page_counter">Trang 31</span><div class="page_container" data-page="31">Question and answer
Is Mercury the closest planet to the Sun and also the smallest one in the entire Solar System?
Venus has a beautiful name and is the second planet from the Sun. It’s hot and has a poisonous
atmosphere
</div><span class="text_page_counter">Trang 32</span><div class="page_container" data-page="32">Topic breakdown
It’s the closest planet to the Sun and the smallest of them all
Venus has a beautiful name and is the second planet from the
Despite being red, Mars is a cold place.
It’s full of iron oxide dust
</div><span class="text_page_counter">Trang 33</span><div class="page_container" data-page="33">Tablet
You can replace the image on the screen with your own work. Just right-click on it and select “Replace image”
</div><span class="text_page_counter">Trang 34</span><div class="page_container" data-page="34">Mobile screenshot
You can replace the image on the screen with your own work. Just right-click on it and select “Replace image”
</div><span class="text_page_counter">Trang 35</span><div class="page_container" data-page="35">You can replace the image on the screen with your own work. Just right-click on it and select “Replace image”
Desktop
screenshot
</div><span class="text_page_counter">Trang 36</span><div class="page_container" data-page="36">Mercury is the closest planet to the Sun and the smallest planet in
the Solar System
Mercury
</div><span class="text_page_counter">Trang 37</span><div class="page_container" data-page="37">Festival head team
Timmy Jimmy
You can speak a bit about this person here
Susan Smith
You can speak a bit about this person here
</div><span class="text_page_counter">Trang 40</span><div class="page_container" data-page="40">very cold place
It’s the second planet from the
Mercury is quite a
small planet enormous planet<sup>Jupiter is an </sup>
</div><span class="text_page_counter">Trang 41</span><div class="page_container" data-page="41">Saturn is a gas giant and has several rings
Venus is the second planet from the Sun
<small>Follow the link in the graph to modify its data and then paste the new one here. For </small>
<b><small>more info, click here</small></b>
</div><span class="text_page_counter">Trang 42</span><div class="page_container" data-page="42">from the Sun
<b><small>Follow the link in the graph to modify its data and then paste the new one here. For more info, click here</small></b>
It’s the closest planet to the Sun
</div><span class="text_page_counter">Trang 43</span><div class="page_container" data-page="43">Mercury is the closest planet to the Sun and the smallest of them all
It has a beautiful name and is the second closest
planet from the Sun
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