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Food Safety Bulletin (3rd issue of 2016)

Feature Article

Food Safety Day 2016

Food Safety Day 2016

As the Chinese saying goes, "What one is like at eighty can be traced back to the age of three." Healthy habits are most effective when developed at a young age. That's why most parents encourage their children to make saving a habit early in life. In fact, health is the first wealth. It is also important to teach children to "accumulate wealth" in this regard.

We all know that eating habits and health are closely related. Excessive consumption of sodium and sugar may lead to chronic diseases. People with a high salt intake are at greater risk of developing hypertension, stroke and coronary heart diseases, whereas eating too much sugar increases the chance of obesity and dental caries. The Centre for Food Safety ("CFS") has been striving to safeguard food safety and promote healthy eating in Hong Kong. Starting last year, the CFS has been encouraging the public to build a healthy dietary habit with low intake of salt and sugar through publicity activities under the theme "Hong Kong's Action on Salt and Sugar Reduction".

The Food Safety Day is an annual signature event of the CFS to kick-start a series of promotional activities. Food Safety Day 2016 was held at the Arts and Technology Education Centre on 30 June 2016. The theme of this year's campaign is "Hong Kong's Action on Salt and Sugar Reduction: Healthy Cooking Starts Small". The meaning of "small" is two-folded, as healthy cooking begins not only with small actions but also with small children.

Officiating guests at the event

Officiating guests at the event

Officiating guests at the event included Mrs Cherry TSE, Permanent Secretary for Food and Health (Food); Miss Vivian LAU, Director of Food and Environmental Hygiene; Dr HO Yuk-yin, Acting Controller of the CFS; Dr MAK Sin-ping, Vice-chairperson of the Committee on Reduction of Salt and Sugar in Food ("CRSS"); Mr CHENG Wing-cheung, Chief Curriculum Development Officer (Technology Education) of the Education Bureau ("EDB"); Dr Christopher LEUNG, Vice-principal of the Chinese Culinary Institute ("CCI"); and Ms YUNG Pik-ching, Secretary of the Committee on Home-School Co-operation ("CHSC"). Signatories of the Food Safety Charter ("FSC") were invited to attend the ceremony in recognition of their continuous support for promoting food safety and healthy diets. A signing ceremony was also held during which representatives from food trade associations signing up for the FSC and the "Reduce Salt, Sugar, Oil. We Do!" Programme pledged to take appropriate measures to enhance protection of food safety and serve customers with healthy food prepared with less salt, sugar and oil.

The highlight of the day was the final adjudication and award presentation ceremony of the "Junior Chefs' Culinary Ideas of Salt and Sugar Reduction Competition". The competition was jointly organised by the Food and Environmental Hygiene Department ("FEHD"), the CFS and the EDB, with the CRSS, the CCI and the CHSC as supporting organisations. It was the first of its kind to explore healthy and tasty culinary ideas and encourage the application of food safety tips when preparing food, with a view to fostering healthy eating and food safety habits.

The competition consisted of senior primary (parent-child teams) and junior secondary categories. With "salt and sugar reduction" as the theme, entrants could either design a novel recipe low in salt and sugar or modify traditional recipes using less salt and sugar. Of course, "food safety" and "tastefulness" were the key factors not to be neglected. There was an enthusiastic response with 65 presentations on recipes received by the CFS. In the first round, six finalist teams were shortlisted from each category. Their recipes were uploaded to the competition website for public voting. The presentation with the highest number of votes in each category was the winner of the "Most Liked Award".

On the day of final adjudication, the "junior chefs" displayed their cooking skills and gave an outstanding performance. The finalists presented their novel recipes with low salt and sugar content and demonstrated on site their dishes to bring out the message that creativity could add flavour to food prepared with reduced salt and sugar. Each dish was tasted and given a score by the judging panel, which then selected the champion and the first and second runner-ups of each category.

The champion and the first and second runner-ups of each category

The champion and the first and second runner-ups of each category

Mr Bernard Chan, Chairperson of the CRSS, officiated at the award presentation ceremony of the competition to present prizes and certificates to the winning teams and share his cooking ideas with the participating students and parents.

We would like to take this opportunity to extend our congratulations to all the winning teams. The prize winners and their marvelous dishes are listed below:

Senior Primary Category (Parent-child Teams)

Winning Teams Prize Winning Snacks
Champion

St. Francis of Assisi's English Primary School ─ 營廚小先鋒
CHOW Cheuk-long (Student), Law Kam-yee (Parent)

Senior Primary CategoryChampion

Senior Primary CategoryChampion

Multi-veggie Tuna Tarts
Cinnamon Apple Pies and Purple Sweet Potato Rolls

Multi-veggie Tuna Tarts    Cinnamon Apple Pies and Purple Sweet Potato Rolls

First runner-up

Ying Wa Primary School ─ 英華營廚
Hermes IU (Student), Simon YU (Parent)

Crabmeat and Tomato Salad
Mixed Grains and Veggie Congee

Second runner-up

Diocesan Girls' Junior School ─ Father-daughter Sure-win Team
Annette MA (Student), Vincent MA (Parent)

Mini Apple Cups
Egg-cado Rice Crunch

Most Liked Award

Diocesan Girls' Junior School ─ Father-daughter Sure-win Team
Annette MA (Student), Vincent MA (Parent)

Mini Apple Cups
Egg-cado Rice Crunch

Junior Secondary Category

Winning Teams Prize Winning Main Dishes
Champion

SKH Lam Woo Memorial Secondary School ─ Rainbow
LI Ka-wing, JIM Tsz-ching, YAU Nga-man

Junior Secondary CategoryChampion

Junior Secondary CategoryChampion

Pan-fried and Veggie-stuffed Minced Chicken Cakes
Shrimp-stuffed Portobello Mushrooms with Bell Peppers and Fungi

Shrimp-stuffed Portobello Mushrooms with Bell Peppers and Fungi

First runner-up

Maryknoll Fathers' School ─ " 董 " 煮意
LO Tung-wai, MOK Ka-man, CHAN Sum-yi

Pumpkin Risotto with Shrimps
Pan-fried Fish Fillet with Salad

Second runner-up

SKH Lam Woo Memorial Secondary School ─ 營養星廚
YEUNG Sin-man, LEUNG Ching-yuet, WONG Hiu-tong

Shrimp Balls Stuffed with Pumpkin and Quinoa
Chicken Rolls with Shredded Burdock Root

Most Liked Award

Kwai Chung Methodist College ─ KCMC Little Chefs
NG Wing-suet, CHAN Cheuk-ling, LO Sze-wing

Steamed Shrimp Balls
Chicken Wings Stuffed with Assorted Vegetables

Following the Food Safety Day 2016 opening ceremony, a series of publicity initiatives on food safety and healthy eating are being launched. The CFS hopes that the goal of reducing salt and sugar intake by the local population will be achieved through tripartite collaboration among the government, the public and the food trade so that everyone can enjoy a healthy lifestyle.

Readers' Corner

Safety Tips to Reduce Pesticides in Vegetables and Fruits

Safety Tips to Reduce Pesticides in Vegetables and Fruits

What Is a Pesticide?

A pesticide is any substance or mixture of substances intended for preventing, destroying, repelling or mitigating pests. Classes of pesticides commonly used for crop growing include:

Why Would Vegetables and Fruits Contain Excessive Pesticide Residues?

When used properly, pesticides can improve the quantity and quality of food as well as reducing the chance of crops being eaten up and damaged by pests. However, the use of pesticides in food production would inevitably leave residues in some of the products. If the trade does not observe Good Agricultural Practice when applying pesticides, such as overusing pesticides on crops and not allowing sufficient time for pesticides to decompose before harvesting, the crops may contain excessive pesticide residues.

How Are Pesticide Residues in Food Being Regulated?

Through its Food Surveillance Programme, the CFS regularly takes vegetable samples at the import, wholesale and retail levels for testing of pesticide residues in the Government Laboratory. The CFS will determine whether the pesticide residue levels in vegetables are in excess of the limits prescribed by the Pesticide Residues in Food Regulation (Cap. 132CM) in order to safeguard public health.

What Can the Public Do to Minimise Dietary Exposure to Excessive Pesticide Residues from Vegetables and Fruits?

Get the Temperature Right

Get the Temperature Right

Improper storage temperatures for food would facilitate bacterial growth and increase the risk of food poisoning. Preferably, food should be consumed immediately after preparation. Otherwise, food should be held hot or kept refrigerated at a suitable temperature.

Placing a thermometer in a refrigerator or a hot food holding cabinet can help monitor and ensure proper storage temperatures for food.

Placing a thermometer in a refrigerator

News on New Dishes

Safety Tips on Preparing "Pan-seared Salmon with Sautéed Assorted Vegetables"

When talking about salmon, most of us will prefer eating it raw as the fish meat is fleshy and tender. Have you thought of other salmon recipes? Pan-seared salmon is in fact a good option. It is not only simple and quick to prepare but also very delicious. You might as well have a try. This time , we have invited the chef of " California Pizza Kitchen", a signatory of the Food Safety Charter , to demonstrate the preparation of the dish "Pan-seared Salmon with Sautéed Assorted Vegetables " for us.

Preparation of the dish

Preparation Steps Small Tips, Big Wisdom
Receiving
Receiving
Purchase ingredients from approved and reliable suppliers. Upon receipt of the ingredients, check carefully to ensure their freshness. Keep vegetables in a refrigerator at 4ºC or below and the frozen salmon fillet at -18ºC or below .
Thawing
Thawing
Thaw the salmon fillet in a refrigerator at 4ºC or below . Thawing the fillet in a refrigerator at 4ºC or below can effectively prevent bacterial growth and enable the fish meat to regain its original tenderness .
Rinsing
Rinsing
Rinse all vegetables thoroughly using a vegetable washer. Rinsing vegetables with clean water can effectively reduce the risk of pesticide intake and remove surface impurities such as sand and mud.
Cutting
Cutting
Shred/dice the onion, tri-colour bell peppers, carrots, broccoli (blanched), string beans (baked), white mushrooms and Welsh onions. Vegetables that require a longer cooking time should be blanched or baked beforehand. The ingredients should also be shredded or diced. These steps can shorten the time of subsequent high-temperature cooking and prevent the formation of harmful substances
Pan-searing
Pan-searing

Drain the salmon fillet well. Sprinkle herbal seasoning over the back side of the fillet.

Heat olive oil in a pan over high heat . Put in the salmon fillet, then turn to medium heat. Cover the pan lid and cook each side of the fillet for 4 minutes until the fish meat turns golden yellow. Soak up excess oil with an oil-absorbing cooking paper. Dish up and set aside.

The pan-seared salmon fillet should be consumed as soon as possible. Avoid leaving it at room temperature for more than 2 hours.
Sautéing
Sautéing
Heat canola oil in wok over high heat. Add assorted vegetables, a pinch of salt and black pepper powder and sauté for 2 minutes. Lastly, pile the vegetables beside the salmon on the plate. Garnish with a lemon wedge and ready to serve. Sautéing in wok can enhance the taste of ingredients and ensure that they are thoroughly cooked.

Tips from Mr IP Ka-chun, General Manager of California Pizza Kitchen

Tips from Mr IP Ka-chun, General Manager of California Pizza Kitchen:

  1. Olive oil is used for pan-searing the salmon fillet garnished with assorted vegetables. Hence the dish is highly nutritious, delicious and commensurate with healthy eating.
  2. When pan-searing the salmon fillet, cover the pan with a lid. Cook one side until done, then turn and cook the other side. This can ensure that the fillet is thoroughly cooked and its natural flavour is preserved.
  3. California Pizza Kitchen attaches great importance to food safety. It lays down a monitoring system with codes of hygiene practices and operational guidelines and on-the-job training for employees to ensure that food hygiene and quality meet the strict standards set by the restaurant group. Moreover, food ingredients are ordered from reliable suppliers in quantities based on daily requirements. Dishes are also made to order so that the ingredients remain fresh and the food is safe for consumption.
  4. Refrigerators are checked and their temperatures are recorded every day to ascertain storage of food or ingredients at safe temperatures. In case any irregularities (e.g. odours) are found, the food or ingredients concerned will be discarded immediately.

Food Safety Plan Corner

Pan-seared Salmon with Sautéed Assorted Vegetables

Pan-seared Salmon with Sautéed Assorted Vegetables

Ingredients:

Salmon fillet, onion, tri-colour bell peppers, carrots, broccoli, string beans, white mushrooms and Welsh onions

Seasonings:

Black pepper powder, herbal seasoning and lemon

Steps:

  1. Thaw the frozen salmon fillet (stored at -18°C) in a refrigerator at 4°C or below.
  2. Rinse the vegetables stored at 4°C or below thoroughly. Use a vegetable washer and clean water.
  3. Blanch the broccoli and bake the string beans beforehand.
  4. Shred/dice the onion, tri-colour bell peppers, carrots, broccoli (blanched), string beans (baked), white mushrooms and Welsh onions.
  5. Drain the salmon fillet well. Sprinkle herbal seasoning over the back side of the fillet.
  6. Heat olive oil in a pan over high heat. Put in the salmon fillet, then turn to medium heat. Cover the pan lid and cook each side of the fillet for 4 minutes until the fish meat turns golden yellow. Soak up excess oil with an oil-absorbing cooking paper. Dish up and set aside.
  7. Heat canola oil in wok over high heat. Add assorted vegetables, a pinch of salt and black pepper powder and sauté for 2 minutes. Lastly, pile the vegetables beside the salmon on the plate. Garnish with a lemon wedge and ready to serve.

Production Process

Production Process

Briefing of Activities

Centre for Food Safety Facebook Page

To most people in Hong Kong, browsing Facebook is a part of daily routine. Now with the CFS Facebook page, not only can you follow status updates of friends and share moments of your life on Facebook, you can also obtain information from the CFS, including food alerts, food safety reports, food safety tips, results of theme studies and CFS publications. Announcements in the public interest on food safety, highlights of its activities and information on food safety seminars and workshops will be uploaded to this page to keep users posted. You are welcome to give "likes" and share your views on the CFS Facebook page.

In view of the community concern about reducing sugar and salt in food, the CFS has set up a dedicated Facebook page on Hong Kong's Action on Salt and Sugar Reduction to keep the public updated with the related initiatives. The page provides a wide range of information, including the health risks of excessive consumption of salt and sugar, relevant health risk assessments and studies, as well as practical tips on reduction of dietary intake of salt and sugar. People who pay attention to health and food issues should not miss it.

Facebook page of the Centre for Food Safety

Facebook page of the Centre for Food Safety

Dedicated Facebook page on https://www.facebook.com/CentreForFoodSafety

Dedicated Facebook page on Hong Kong's action on Salt and Sugar Reduction

"Food Safety App"

Do you want to learn more about food safety? With your mobile devices, you can view and receive food alerts and food safety updates released by the CFS, search for information and advice on food safety, download food safety publications, set up archives and read articles on various food safety topics, anytime and anywhere. For a handy guide to safe and healthy diets, download the "Food Safety App" now!

Download the

Android version & iPhone version

Upcoming Activities

Thematic Exhibitions of Communication Resource Unit

In the previous issue, we introduced to you the Communication Resource Unit ("CRU") of the CFS in Mong Kok. Have you been there? The CRU regularly holds exhibitions on food themes of public concern. These include safe handling of food, such as "5 Keys to Food Safety", "Avoid Contact Between Raw and Cooked Foods to Prevent Cross-contamination" and "Ten Golden Rules for Safe Food Preparation". There is also information about particular types of food, such as "Why Should We Avoid Consuming Puffer Fish", "Avoid Exposure to Harmful Contaminants When Eating Scallops" and "How to Process Food Plants with Natural Toxins". In addition, tips are offered to people who need to pay special attention to food safety, such as "Food Safety Advice for Pregnant Women" and "Food Safety Advice for Travellers". Announcements will be posted on the CFS website from time to time. Stay tuned and do not miss any topics that may interest you.

The CRU mounts roving exhibitions on food safety at different venues, such as major shopping centres in public and private housing estates, public markets and government offices across the territory. The exhibition boards are also displayed at the Health Education Exhibition and Resource Centre of the FEHD in Kowloon Park, Tsim Sha Tsui. All visitors are welcome to take a look at them. The CRU, moreover, provides free exhibition panel loan out service to facilitate different sectors of the community in organising activities to promote food safety.

The following are the two most popular exhibition panels on display: "Nutrition Label 101" and "Control Food Temperature Properly 4 to 60 Degrees is Risky".

Nutrition Label 101
Nutrition Label 101

Key points:

  • What is a food label? What is a nutrition label?
  • What specified conditions should nutrition claims fulfil? How to differentiate between the words "High" and "Low"?
  • What is a "3 Low" healthy diet?
    What are the effects of fat, salt (sodium) and sugars on health?
  • How to use nutrition labels to choose suitable food?
Control Food Temperature Properly 4 to 60 Degrees is Risky
Control Food Temperature Properly 4 to 60 Degrees is Risky

Key points:

  • How important is temperature control to keeping food safe?
  • How to store, thaw, cook, reheat and display food properly?

Food Safety Q&A

Are "Milk" and "Milk Beverages" Different?

Milk or Milk Beverages?

Milk or Milk Beverages?

"Milk" and "milk beverages" are commonly consumed drinks. How are they different from each other?

The Food and Drugs (Composition and Labelling) Regulations (Cap. 132W) provide that:

As for skimmed milk which we quite often drink, it shall contain not more than 0.3% of milk fat, and the quantity of milk solids shall not be less than 8.5%.

Moreover, when a nutrient content claim is made on the packaging of a food product, the components listed must satisfy the conditions stipulated by law. For example, a "high calcium" claim may be made when the amount of calcium is more than 120 mg per 100 mL of liquid food, and a product can be claimed as "low fat" if it contains not more than 1.5 g of total fat per 100 mL of liquid food.

Pasteurisation or Sterilisation?

Pasteurisation or Sterilisation?

Raw milk needs to be heat-treated due to possible contamination with pathogenic or food spoilage microorganisms. "Pasteurisation" and "sterilisation" are two commonly-used heat treatment methods. Do you know their differences?

"Use by" Date or "Best before" Date?

In the market, some milk beverages have a "use by" date on the packaging while others are marked with a "best before" date. What are their differences?

Advice to the Public

Truth against Fallacy

Why Unpeeled and Sprouted Potatoes Are Unfit for Human Consumption?

Why Unpeeled and Sprouted Potatoes Are Unfit for Human Consumption?

Ming: I bought a lot of potatoes earlier during a big sale. Now they have all sprouted. Today, I am going to prepare a potato feast to clear the stock. First, we will have potato fruit salad as the appetizer. Then comes a tomato potato soup. The main course will be baked potatoes with broccoli and cheese, braised chicken wings with potatoes, etc. Any other good suggestions?
Pat: My suggestion is not to eat these potatoes! Sprouting potatoes may contain high levels of glycoalkaloids, which are natural toxins that may be present in plants of the Solanacea family to help guard against insect or animal predators. The levels of glycoalkaloids in fresh potatoes are usually low. In normal tubers, glycoalkaloids are concentrated in a thin layer of 1.5 mm immediately under the peel. Hence, with normal tubers, peeling of potatoes can greatly reduce the levels of the toxins. No adverse health effects will occur. However, the levels of glycoalkaloids may be very high in potatoes that show signs of greening, physical damage or rotting, especially in the parts that have developed sprouts.
Ming: What will happen if these potatoes are eaten?
Pat: Potatoes containing excessive glycoalkaloids taste bitter. If we consume them, we will have a burning sensation in our throats and mouths. Acute symptoms including nausea, vomiting, stomach and abdominal cramps and diarrhea will generally occur 30 minutes to 12 hours after ingestion. More severe cases of glycoalkaloid poisoning may be accompanied by a variety of neurological effects, such as drowsiness, restlessness, shaking, confusion, weakness and disturbed vision.
Ming: If I cut away the sprouts or cook the potatoes more thoroughly, will that be OK?
Pat:

For slightly sprouted potatoes, you can cut away the parts that show signs of damage (cuts and bruises), rotting, greening and sprouting before cooking. But in severe cases, you should discard the entire potato. Glycoalkaloids are highly heat resistant. High-temperature cooking does not destroy these toxins or reduce their amount in potatoes. As I see it, you are having seriously sprouted potatoes. You'd better not take the risk. Throw away the potatoes at once.

Ming: Alright.

Brain Gym

Card Game

Get to Know "1+7": The Seven Specified Nutrients

On nutrition labels, "1+7" refers to energy plus seven specified nutrients. Do you remember the seven nutrients? Let's play the following game.

Rules: Cut out the playing cards and lay them out face down. Players take turns to flip over two cards at one time to find a match. Only cards showing the same nutrient of any of the seven nutrients specified for labelling "1+7" form a matching pair. When two cards do not match, they are turned back over and returned to their original positions. The game ends when cards indicating the seven nutrients are all found in pairs. The player with the largest number of pairs wins the game.

Sugars

Total fat

Vitamin C

Calcium

Trans fat

Protein

Polyunsaturated
Fat

Folic acid

Saturated fat

Sugars

Dietary fibre

Carbohydrates

Sodium

Trans fat

Vitamin K

Saturated fat

Sodium

Omega-3 fatty acids

Cholesterol

Carbohydrates

Amino acids

Total fat

Zinc

Protein

Answers :

The seven specified nutrients on a nutrition label are:
Protein, total fat, saturated fat, trans fat, carbohydrates, sugars and sodium

Enquiries and Subscription

Printed copies of the Food Safety Bulletin can be obtained from the CRU at 8/F, Fa Yuen Street Municipal Services Building, 123A Fa Yuen Street, Mong Kok, Kowloon. For enquiries, please call 2381 6096. The public may also visit the CFS website ( www.cfs.gov.hk ) for the online version.

Enquiry hotline 2868 0000
E-mail address enquiries@fehd.gov.hk
CFS website www.cfs.gov.hk